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Weiand 7588

6-71 Supercharger Kit Big Block Chevy (Standard Deck) Drive Pitch: 8mm

Weiand 7588

925-7588

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Estimated ship date 10/03/17 if Ordered Today
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Weiand 7588 6-71 Supercharger Kit Big Block Chevy (Standard Deck) Drive Pitch: 8mm $3,625.95
6-71 Supercharger Kit
  • Big Block Chevy (Standard Deck)
  • Drive Pitch: 8mm
  • 8.5% Underdrive Ratio
  • Satin Finish

  • Weiand 7588 Details

    6-71 Superchargers - Chevrolet Big Block

  • 34 Tooth Lower Pulley
  • 38 Tooth Upper Pulley

    Note: This kit includes two extra 1/8" NPT plugs. Your manifold may have two 1/8" NPT ports tapped in the back of it. These are vacuum / boost ports that can be used for a boost gauge, boost reference power valves, or any other items that need to be connected to a boost / vacuum source. If these ports are not needed, use the included plugs to block these ports.

    Pop Off Valve Installation Guide

  • Specifications:

    Finish
    Satin
    Blower Size
    6-71
    Manufacturer's Part Number:
    7588

    More than 40 Years in the Supercharger Business

    Weiand superchargers can be found in all aspects of racing, from tractor pulls to the quarter mile. When you pull into your local cruise-in or dragstrip with one of these 6-71 superchargers sticking through the hood you are sure to be noticed. Producing 50%+ more horsepower and torque, the 6-71 supercharger is not just your average supercharger!

    All 6-71 kits are available with either the traditional 1/2" pitch (one piece snout) or the extra tough 8mm belt configurations to suit your needs.

    Got a HEMI? Weiand has nostalgic supercharger kits for early Chrysler Hemi's (331, 354 or 392). Hemi kits have the traditional 1/2" pitch drive and early one piece snout.

    Supercharger Features:
  • Roots-type two-lobe helical rotor eliminates flex
  • Rotor setup closes tolerances for maximum boost efficiency
  • Equal distribution of fuel/air mixture optimizes HP gains
  • Mounts with standard distributor setup
  • Heavy-duty bearing plates eliminate cracking
  • Rear plates use premium sealed ball bearings
  • Front bearings lubricated by oil bath
  • Front rotor shaft seals are double-lipped with PTFE
  • Kits are designed to produce 10-12 lbs of boost on small blocks and 5-7 lbs of boost on big blocks but are a simple pulley change away from pump gas or hard core racing.

    6-71 Street Supercharger Kits Include:
  • Polished or Satin 6-71 Supercharger with gears and bearing plates
  • Supercharger Intake Manifold
  • 2-4V Carburetor Adapter
  • Supercharger to Manifold Gasket
  • Carburetor Adapter to Supercharger Gasket
  • 3" Gilmer Belt, pulleys, brackets, idler, and necessary fasteners

    Note: Kits do not allow enough clearance to fit a GM HEI distributor. Fuel lines not included.

  • Does Weiand 7588 fit your vehicle?

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    Aspiration

    1979-1982 GMC C2500 PICKUP

    • Fitment_Note: Gilmer Toothed Belt w/Pop Off Valve In Enclosed Compart. Not Recommended~May Req. RaceGas Unless PullyRatio Altered To Reduce Comp. Ratio Below 12:1~Double Keyed Crankshaft and SFI Approved Balancer Recommended~Consultation w/Tech Rep May Be Necessary Call 270-781-9741~Not Compatible w/Mericruiser/OMC/Volvo Penta Accessory Drives~Requires Short Water Pump and 2V Pulley
    • Liter: 7.4
    • SubModel: SIERRA GRANDE
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1966-1969 CHEVROLET CORVETTE

    • CC: 6998
    • Fitment_Note: Gilmer Toothed Belt w/Pop Off Valve In Enclosed Compart. Not Recommended~May Req. RaceGas Unless PullyRatio Altered To Reduce Comp. Ratio Below 12:1~Double Keyed Crankshaft and SFI Approved Balancer Recommended~Consultation w/Tech Rep May Be Necessary Call 270-781-9741~Not Compatible w/Mericruiser/OMC/Volvo Penta Accessory Drives~Requires Short Water Pump and 2V Pulley
    • Liter: 7.0
    • SubModel: BASE
    • CUI: 427
    • EngineType: V8 ( 7.0 L / 427 )

    1968 GMC C25/C2500 SUBURBAN

    • CC: 6489
    • Fitment_Note: Gilmer Toothed Belt w/Pop Off Valve In Enclosed Compart. Not Recommended~May Req. RaceGas Unless PullyRatio Altered To Reduce Comp. Ratio Below 12:1~Double Keyed Crankshaft and SFI Approved Balancer Recommended~Consultation w/Tech Rep May Be Necessary Call 270-781-9741~Not Compatible w/Mericruiser/OMC/Volvo Penta Accessory Drives~Requires Short Water Pump and 2V Pulley
    • Liter: 6.5
    • SubModel: BASE
    • CUI: 396
    • EngineType: V8 ( 6.5 L / 396 )

    1968-1969 GMC K1500 PICKUP

    • CC: 6489
    • Fitment_Note: Gilmer Toothed Belt w/Pop Off Valve In Enclosed Compart. Not Recommended~May Req. RaceGas Unless PullyRatio Altered To Reduce Comp. Ratio Below 12:1~Double Keyed Crankshaft and SFI Approved Balancer Recommended~Consultation w/Tech Rep May Be Necessary Call 270-781-9741~Not Compatible w/Mericruiser/OMC/Volvo Penta Accessory Drives~Requires Short Water Pump and 2V Pulley
    • Liter: 6.5
    • SubModel: BASE
    • CUI: 396
    • EngineType: V8 ( 6.5 L / 396 )

    1971 CHEVROLET BISCAYNE

    • CC: 6588
    • Fitment_Note: Gilmer Toothed Belt w/Pop Off Valve In Enclosed Compart. Not Recommended~May Req. RaceGas Unless PullyRatio Altered To Reduce Comp. Ratio Below 12:1~Double Keyed Crankshaft and SFI Approved Balancer Recommended~Consultation w/Tech Rep May Be Necessary Call 270-781-9741~Not Compatible w/Mericruiser/OMC/Volvo Penta Accessory Drives~Requires Short Water Pump and 2V Pulley
    • Liter: 6.6
    • SubModel: BASE
    • CUI: 402
    • EngineType: V8 ( 6.6 L / 402 )

    1972 CHEVROLET P30 VAN

    • Fitment_Note: Gilmer Toothed Belt w/Pop Off Valve In Enclosed Compart. Not Recommended~May Req. RaceGas Unless PullyRatio Altered To Reduce Comp. Ratio Below 12:1~Double Keyed Crankshaft and SFI Approved Balancer Recommended~Consultation w/Tech Rep May Be Necessary Call 270-781-9741~Not Compatible w/Mericruiser/OMC/Volvo Penta Accessory Drives~Requires Short Water Pump and 2V Pulley
    • Liter: 6.6
    • SubModel: BASE
    • CUI: 402
    • EngineType: V8 ( 6.6 L / 402 )

    1972 CHEVROLET IMPALA

    • CC: 6588
    • Fitment_Note: Gilmer Toothed Belt w/Pop Off Valve In Enclosed Compart. Not Recommended~May Req. RaceGas Unless PullyRatio Altered To Reduce Comp. Ratio Below 12:1~Double Keyed Crankshaft and SFI Approved Balancer Recommended~Consultation w/Tech Rep May Be Necessary Call 270-781-9741~Not Compatible w/Mericruiser/OMC/Volvo Penta Accessory Drives~Requires Short Water Pump and 2V Pulley
    • Liter: 6.6
    • SubModel: BASE
    • CUI: 402
    • EngineType: V8 ( 6.6 L / 402 )

    1975-1976 CHEVROLET IMPALA

    • Fitment_Note: Gilmer Toothed Belt w/Pop Off Valve In Enclosed Compart. Not Recommended~May Req. RaceGas Unless PullyRatio Altered To Reduce Comp. Ratio Below 12:1~Double Keyed Crankshaft and SFI Approved Balancer Recommended~Consultation w/Tech Rep May Be Necessary Call 270-781-9741~Not Compatible w/Mericruiser/OMC/Volvo Penta Accessory Drives~Requires Short Water Pump and 2V Pulley
    • Liter: 7.4
    • SubModel: CUSTOM
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1970-1972 CHEVROLET CHEVELLE

    • CC: 7439
    • Fitment_Note: Gilmer Toothed Belt w/Pop Off Valve In Enclosed Compart. Not Recommended~May Req. RaceGas Unless PullyRatio Altered To Reduce Comp. Ratio Below 12:1~Double Keyed Crankshaft and SFI Approved Balancer Recommended~Consultation w/Tech Rep May Be Necessary Call 270-781-9741~Not Compatible w/Mericruiser/OMC/Volvo Penta Accessory Drives~Requires Short Water Pump and 2V Pulley
    • Liter: 7.4
    • SubModel: SS
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1970 CHEVROLET NOVA

    • Fitment_Note: Gilmer Toothed Belt w/Pop Off Valve In Enclosed Compart. Not Recommended~May Req. RaceGas Unless PullyRatio Altered To Reduce Comp. Ratio Below 12:1~Double Keyed Crankshaft and SFI Approved Balancer Recommended~Consultation w/Tech Rep May Be Necessary Call 270-781-9741~Not Compatible w/Mericruiser/OMC/Volvo Penta Accessory Drives~Requires Short Water Pump and 2V Pulley
    • Liter: 6.5
    • SubModel: BASE
    • CUI: 396
    • EngineType: V8 ( 6.5 L / 396 )

    1978-1980 GMC C1500 PICKUP

    • Fitment_Note: Gilmer Toothed Belt w/Pop Off Valve In Enclosed Compart. Not Recommended~May Req. RaceGas Unless PullyRatio Altered To Reduce Comp. Ratio Below 12:1~Double Keyed Crankshaft and SFI Approved Balancer Recommended~Consultation w/Tech Rep May Be Necessary Call 270-781-9741~Not Compatible w/Mericruiser/OMC/Volvo Penta Accessory Drives~Requires Short Water Pump and 2V Pulley
    • Liter: 7.4
    • SubModel: STREET COUPE
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1970-1971 GMC K35/K3500 PICKUP

    • CC: 6588
    • Fitment_Note: Gilmer Toothed Belt w/Pop Off Valve In Enclosed Compart. Not Recommended~May Req. RaceGas Unless PullyRatio Altered To Reduce Comp. Ratio Below 12:1~Double Keyed Crankshaft and SFI Approved Balancer Recommended~Consultation w/Tech Rep May Be Necessary Call 270-781-9741~Not Compatible w/Mericruiser/OMC/Volvo Penta Accessory Drives~Requires Short Water Pump and 2V Pulley
    • Liter: 6.6
    • SubModel: BASE
    • CUI: 402
    • EngineType: V8 ( 6.6 L / 402 )

    1979-1980 GMC K1500 PICKUP

    • Fitment_Note: Gilmer Toothed Belt w/Pop Off Valve In Enclosed Compart. Not Recommended~May Req. RaceGas Unless PullyRatio Altered To Reduce Comp. Ratio Below 12:1~Double Keyed Crankshaft and SFI Approved Balancer Recommended~Consultation w/Tech Rep May Be Necessary Call 270-781-9741~Not Compatible w/Mericruiser/OMC/Volvo Penta Accessory Drives~Requires Short Water Pump and 2V Pulley
    • Liter: 7.4
    • SubModel: SIERRA GRANDE
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1975-1986 CHEVROLET C20 PICKUP

    • Fitment_Note: Gilmer Toothed Belt w/Pop Off Valve In Enclosed Compart. Not Recommended~May Req. RaceGas Unless PullyRatio Altered To Reduce Comp. Ratio Below 12:1~Double Keyed Crankshaft and SFI Approved Balancer Recommended~Consultation w/Tech Rep May Be Necessary Call 270-781-9741~Not Compatible w/Mericruiser/OMC/Volvo Penta Accessory Drives~Requires Short Water Pump and 2V Pulley
    • Liter: 7.4
    • SubModel: SCOTTSDALE
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1977 CHEVROLET K30 PICKUP

    • Fitment_Note: Gilmer Toothed Belt w/Pop Off Valve In Enclosed Compart. Not Recommended~May Req. RaceGas Unless PullyRatio Altered To Reduce Comp. Ratio Below 12:1~Double Keyed Crankshaft and SFI Approved Balancer Recommended~Consultation w/Tech Rep May Be Necessary Call 270-781-9741~Not Compatible w/Mericruiser/OMC/Volvo Penta Accessory Drives~Requires Short Water Pump and 2V Pulley
    • Liter: 7.4
    • SubModel: CUSTOM DELUXE
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1970-1971 CHEVROLET C10 PICKUP

    • CC: 6588
    • Fitment_Note: Gilmer Toothed Belt w/Pop Off Valve In Enclosed Compart. Not Recommended~May Req. RaceGas Unless PullyRatio Altered To Reduce Comp. Ratio Below 12:1~Double Keyed Crankshaft and SFI Approved Balancer Recommended~Consultation w/Tech Rep May Be Necessary Call 270-781-9741~Not Compatible w/Mericruiser/OMC/Volvo Penta Accessory Drives~Requires Short Water Pump and 2V Pulley
    • Liter: 6.6
    • SubModel: BASE
    • CUI: 402
    • EngineType: V8 ( 6.6 L / 402 )

    1967-1969 CHEVROLET CHEVELLE

    • CC: 6489
    • Fitment_Note: Gilmer Toothed Belt w/Pop Off Valve In Enclosed Compart. Not Recommended~May Req. RaceGas Unless PullyRatio Altered To Reduce Comp. Ratio Below 12:1~Double Keyed Crankshaft and SFI Approved Balancer Recommended~Consultation w/Tech Rep May Be Necessary Call 270-781-9741~Not Compatible w/Mericruiser/OMC/Volvo Penta Accessory Drives~Requires Short Water Pump and 2V Pulley
    • Liter: 6.5
    • SubModel: CONCOURS
    • CUI: 396
    • EngineType: V8 ( 6.5 L / 396 )

    1971 CHEVROLET BEL AIR

    • CC: 6588
    • Fitment_Note: Gilmer Toothed Belt w/Pop Off Valve In Enclosed Compart. Not Recommended~May Req. RaceGas Unless PullyRatio Altered To Reduce Comp. Ratio Below 12:1~Double Keyed Crankshaft and SFI Approved Balancer Recommended~Consultation w/Tech Rep May Be Necessary Call 270-781-9741~Not Compatible w/Mericruiser/OMC/Volvo Penta Accessory Drives~Requires Short Water Pump and 2V Pulley
    • Liter: 6.6
    • SubModel: BASE
    • CUI: 402
    • EngineType: V8 ( 6.6 L / 402 )

    1976-1977 GMC K25 SUBURBAN

    • Fitment_Note: Gilmer Toothed Belt w/Pop Off Valve In Enclosed Compart. Not Recommended~May Req. RaceGas Unless PullyRatio Altered To Reduce Comp. Ratio Below 12:1~Double Keyed Crankshaft and SFI Approved Balancer Recommended~Consultation w/Tech Rep May Be Necessary Call 270-781-9741~Not Compatible w/Mericruiser/OMC/Volvo Penta Accessory Drives~Requires Short Water Pump and 2V Pulley
    • Liter: 7.4
    • SubModel: SIERRA CLASSIC
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1973 CHEVROLET K20 SUBURBAN

    • CC: 7439
    • Fitment_Note: Gilmer Toothed Belt w/Pop Off Valve In Enclosed Compart. Not Recommended~May Req. RaceGas Unless PullyRatio Altered To Reduce Comp. Ratio Below 12:1~Double Keyed Crankshaft and SFI Approved Balancer Recommended~Consultation w/Tech Rep May Be Necessary Call 270-781-9741~Not Compatible w/Mericruiser/OMC/Volvo Penta Accessory Drives~Requires Short Water Pump and 2V Pulley
    • Liter: 7.4
    • SubModel: BASE
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1970-1972 CHEVROLET K20 SUBURBAN

    • CC: 6588
    • Fitment_Note: Gilmer Toothed Belt w/Pop Off Valve In Enclosed Compart. Not Recommended~May Req. RaceGas Unless PullyRatio Altered To Reduce Comp. Ratio Below 12:1~Double Keyed Crankshaft and SFI Approved Balancer Recommended~Consultation w/Tech Rep May Be Necessary Call 270-781-9741~Not Compatible w/Mericruiser/OMC/Volvo Penta Accessory Drives~Requires Short Water Pump and 2V Pulley
    • Liter: 6.6
    • SubModel: BASE
    • CUI: 402
    • EngineType: V8 ( 6.6 L / 402 )

    1972 CHEVROLET TOWNSMAN

    • CC: 7441
    • Fitment_Note: Gilmer Toothed Belt w/Pop Off Valve In Enclosed Compart. Not Recommended~May Req. RaceGas Unless PullyRatio Altered To Reduce Comp. Ratio Below 12:1~Double Keyed Crankshaft and SFI Approved Balancer Recommended~Consultation w/Tech Rep May Be Necessary Call 270-781-9741~Not Compatible w/Mericruiser/OMC/Volvo Penta Accessory Drives~Requires Short Water Pump and 2V Pulley
    • Liter: 7.4
    • SubModel: BASE
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1979 CHEVROLET P20 VAN

    • Fitment_Note: Gilmer Toothed Belt w/Pop Off Valve In Enclosed Compart. Not Recommended~May Req. RaceGas Unless PullyRatio Altered To Reduce Comp. Ratio Below 12:1~Double Keyed Crankshaft and SFI Approved Balancer Recommended~Consultation w/Tech Rep May Be Necessary Call 270-781-9741~Not Compatible w/Mericruiser/OMC/Volvo Penta Accessory Drives~Requires Short Water Pump and 2V Pulley
    • Liter: 7.4
    • SubModel: BASE
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1976 GMC K1500 PICKUP

    • Fitment_Note: Gilmer Toothed Belt w/Pop Off Valve In Enclosed Compart. Not Recommended~May Req. RaceGas Unless PullyRatio Altered To Reduce Comp. Ratio Below 12:1~Double Keyed Crankshaft and SFI Approved Balancer Recommended~Consultation w/Tech Rep May Be Necessary Call 270-781-9741~Not Compatible w/Mericruiser/OMC/Volvo Penta Accessory Drives~Requires Short Water Pump and 2V Pulley
    • Liter: 7.4
    • SubModel: HIGH SIERRA
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1969 CHEVROLET C10 PICKUP

    • CC: 6489
    • Fitment_Note: Gilmer Toothed Belt w/Pop Off Valve In Enclosed Compart. Not Recommended~May Req. RaceGas Unless PullyRatio Altered To Reduce Comp. Ratio Below 12:1~Double Keyed Crankshaft and SFI Approved Balancer Recommended~Consultation w/Tech Rep May Be Necessary Call 270-781-9741~Not Compatible w/Mericruiser/OMC/Volvo Penta Accessory Drives~Requires Short Water Pump and 2V Pulley
    • Liter: 6.5
    • SubModel: BASE
    • CUI: 396
    • EngineType: V8 ( 6.5 L / 396 )

    1969 CHEVROLET CAMARO

    • CC: 6998
    • Fitment_Note: Gilmer Toothed Belt w/Pop Off Valve In Enclosed Compart. Not Recommended~May Req. RaceGas Unless PullyRatio Altered To Reduce Comp. Ratio Below 12:1~Double Keyed Crankshaft and SFI Approved Balancer Recommended~Consultation w/Tech Rep May Be Necessary Call 270-781-9741~Not Compatible w/Mericruiser/OMC/Volvo Penta Accessory Drives~Requires Short Water Pump and 2V Pulley
    • Liter: 7.0
    • SubModel: RS
    • CUI: 427
    • EngineType: V8 ( 7.0 L / 427 )

    1968-1969 CHEVROLET CHEVELLE

    • CC: 6489
    • Fitment_Note: Gilmer Toothed Belt w/Pop Off Valve In Enclosed Compart. Not Recommended~May Req. RaceGas Unless PullyRatio Altered To Reduce Comp. Ratio Below 12:1~Double Keyed Crankshaft and SFI Approved Balancer Recommended~Consultation w/Tech Rep May Be Necessary Call 270-781-9741~Not Compatible w/Mericruiser/OMC/Volvo Penta Accessory Drives~Requires Short Water Pump and 2V Pulley
    • Liter: 6.5
    • SubModel: NOMAD
    • CUI: 396
    • EngineType: V8 ( 6.5 L / 396 )

    1975 CHEVROLET LAGUNA

    • Fitment_Note: Gilmer Toothed Belt w/Pop Off Valve In Enclosed Compart. Not Recommended~May Req. RaceGas Unless PullyRatio Altered To Reduce Comp. Ratio Below 12:1~Double Keyed Crankshaft and SFI Approved Balancer Recommended~Consultation w/Tech Rep May Be Necessary Call 270-781-9741~Not Compatible w/Mericruiser/OMC/Volvo Penta Accessory Drives~Requires Short Water Pump and 2V Pulley
    • Liter: 7.4
    • SubModel: S3
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1970 CHEVROLET BISCAYNE

    • CC: 7441
    • Fitment_Note: Gilmer Toothed Belt w/Pop Off Valve In Enclosed Compart. Not Recommended~May Req. RaceGas Unless PullyRatio Altered To Reduce Comp. Ratio Below 12:1~Double Keyed Crankshaft and SFI Approved Balancer Recommended~Consultation w/Tech Rep May Be Necessary Call 270-781-9741~Not Compatible w/Mericruiser/OMC/Volvo Penta Accessory Drives~Requires Short Water Pump and 2V Pulley
    • Liter: 7.4
    • SubModel: BASE
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1973 CHEVROLET K10 PICKUP

    • CC: 7439
    • Fitment_Note: Gilmer Toothed Belt w/Pop Off Valve In Enclosed Compart. Not Recommended~May Req. RaceGas Unless PullyRatio Altered To Reduce Comp. Ratio Below 12:1~Double Keyed Crankshaft and SFI Approved Balancer Recommended~Consultation w/Tech Rep May Be Necessary Call 270-781-9741~Not Compatible w/Mericruiser/OMC/Volvo Penta Accessory Drives~Requires Short Water Pump and 2V Pulley
    • Liter: 7.4
    • SubModel: BASE
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1975-1986 CHEVROLET C30 PICKUP

    • Fitment_Note: Gilmer Toothed Belt w/Pop Off Valve In Enclosed Compart. Not Recommended~May Req. RaceGas Unless PullyRatio Altered To Reduce Comp. Ratio Below 12:1~Double Keyed Crankshaft and SFI Approved Balancer Recommended~Consultation w/Tech Rep May Be Necessary Call 270-781-9741~Not Compatible w/Mericruiser/OMC/Volvo Penta Accessory Drives~Requires Short Water Pump and 2V Pulley
    • Liter: 7.4
    • SubModel: SCOTTSDALE
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1971-1972 CHEVROLET MONTE CARLO

    • CC: 6588
    • Fitment_Note: Gilmer Toothed Belt w/Pop Off Valve In Enclosed Compart. Not Recommended~May Req. RaceGas Unless PullyRatio Altered To Reduce Comp. Ratio Below 12:1~Double Keyed Crankshaft and SFI Approved Balancer Recommended~Consultation w/Tech Rep May Be Necessary Call 270-781-9741~Not Compatible w/Mericruiser/OMC/Volvo Penta Accessory Drives~Requires Short Water Pump and 2V Pulley
    • Liter: 6.6
    • SubModel: BASE
    • CUI: 402
    • EngineType: V8 ( 6.6 L / 402 )

    1967 CHEVROLET CHEVELLE

    • CC: 6489
    • Fitment_Note: Gilmer Toothed Belt w/Pop Off Valve In Enclosed Compart. Not Recommended~May Req. RaceGas Unless PullyRatio Altered To Reduce Comp. Ratio Below 12:1~Double Keyed Crankshaft and SFI Approved Balancer Recommended~Consultation w/Tech Rep May Be Necessary Call 270-781-9741~Not Compatible w/Mericruiser/OMC/Volvo Penta Accessory Drives~Requires Short Water Pump and 2V Pulley
    • Liter: 6.5
    • SubModel: DELUXE
    • CUI: 396
    • EngineType: V8 ( 6.5 L / 396 )

    1980 CHEVROLET K20 PICKUP

    • Fitment_Note: Gilmer Toothed Belt w/Pop Off Valve In Enclosed Compart. Not Recommended~May Req. RaceGas Unless PullyRatio Altered To Reduce Comp. Ratio Below 12:1~Double Keyed Crankshaft and SFI Approved Balancer Recommended~Consultation w/Tech Rep May Be Necessary Call 270-781-9741~Not Compatible w/Mericruiser/OMC/Volvo Penta Accessory Drives~Requires Short Water Pump and 2V Pulley
    • Liter: 7.4
    • SubModel: CHEYENNE
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1975-1976 CHEVROLET CAPRICE

    • Fitment_Note: Gilmer Toothed Belt w/Pop Off Valve In Enclosed Compart. Not Recommended~May Req. RaceGas Unless PullyRatio Altered To Reduce Comp. Ratio Below 12:1~Double Keyed Crankshaft and SFI Approved Balancer Recommended~Consultation w/Tech Rep May Be Necessary Call 270-781-9741~Not Compatible w/Mericruiser/OMC/Volvo Penta Accessory Drives~Requires Short Water Pump and 2V Pulley
    • Liter: 7.4
    • SubModel: CLASSIC
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1973 CHEVROLET MONTE CARLO

    • CC: 7441
    • Fitment_Note: Gilmer Toothed Belt w/Pop Off Valve In Enclosed Compart. Not Recommended~May Req. RaceGas Unless PullyRatio Altered To Reduce Comp. Ratio Below 12:1~Double Keyed Crankshaft and SFI Approved Balancer Recommended~Consultation w/Tech Rep May Be Necessary Call 270-781-9741~Not Compatible w/Mericruiser/OMC/Volvo Penta Accessory Drives~Requires Short Water Pump and 2V Pulley
    • Liter: 7.4
    • SubModel: S
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1975-1980 CHEVROLET C20 SUBURBAN

    • Fitment_Note: Gilmer Toothed Belt w/Pop Off Valve In Enclosed Compart. Not Recommended~May Req. RaceGas Unless PullyRatio Altered To Reduce Comp. Ratio Below 12:1~Double Keyed Crankshaft and SFI Approved Balancer Recommended~Consultation w/Tech Rep May Be Necessary Call 270-781-9741~Not Compatible w/Mericruiser/OMC/Volvo Penta Accessory Drives~Requires Short Water Pump and 2V Pulley
    • Liter: 7.4
    • SubModel: CUSTOM DELUXE
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1975-1978 GMC C35/C3500 PICKUP

    • Fitment_Note: Gilmer Toothed Belt w/Pop Off Valve In Enclosed Compart. Not Recommended~May Req. RaceGas Unless PullyRatio Altered To Reduce Comp. Ratio Below 12:1~Double Keyed Crankshaft and SFI Approved Balancer Recommended~Consultation w/Tech Rep May Be Necessary Call 270-781-9741~Not Compatible w/Mericruiser/OMC/Volvo Penta Accessory Drives~Requires Short Water Pump and 2V Pulley
    • Liter: 7.4
    • SubModel: BASE
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1970-1971 CHEVROLET C30 PICKUP

    • CC: 6588
    • Fitment_Note: Gilmer Toothed Belt w/Pop Off Valve In Enclosed Compart. Not Recommended~May Req. RaceGas Unless PullyRatio Altered To Reduce Comp. Ratio Below 12:1~Double Keyed Crankshaft and SFI Approved Balancer Recommended~Consultation w/Tech Rep May Be Necessary Call 270-781-9741~Not Compatible w/Mericruiser/OMC/Volvo Penta Accessory Drives~Requires Short Water Pump and 2V Pulley
    • Liter: 6.6
    • SubModel: BASE
    • CUI: 402
    • EngineType: V8 ( 6.6 L / 402 )

    1971-1972 CHEVROLET CHEVELLE

    • CC: 7441
    • Fitment_Note: Gilmer Toothed Belt w/Pop Off Valve In Enclosed Compart. Not Recommended~May Req. RaceGas Unless PullyRatio Altered To Reduce Comp. Ratio Below 12:1~Double Keyed Crankshaft and SFI Approved Balancer Recommended~Consultation w/Tech Rep May Be Necessary Call 270-781-9741~Not Compatible w/Mericruiser/OMC/Volvo Penta Accessory Drives~Requires Short Water Pump and 2V Pulley
    • Liter: 7.4
    • SubModel: BASE
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1970-1972 CHEVROLET CHEVELLE

    • CC: 6588
    • Fitment_Note: Gilmer Toothed Belt w/Pop Off Valve In Enclosed Compart. Not Recommended~May Req. RaceGas Unless PullyRatio Altered To Reduce Comp. Ratio Below 12:1~Double Keyed Crankshaft and SFI Approved Balancer Recommended~Consultation w/Tech Rep May Be Necessary Call 270-781-9741~Not Compatible w/Mericruiser/OMC/Volvo Penta Accessory Drives~Requires Short Water Pump and 2V Pulley
    • Liter: 6.6
    • SubModel: CONCOURS ESTATE
    • CUI: 402
    • EngineType: V8 ( 6.6 L / 402 )

    1968-1969 PONTIAC STRATO-CHIEF

    • CC: 6489
    • Fitment_Note: Gilmer Toothed Belt w/Pop Off Valve In Enclosed Compart. Not Recommended~May Req. RaceGas Unless PullyRatio Altered To Reduce Comp. Ratio Below 12:1~Double Keyed Crankshaft and SFI Approved Balancer Recommended~Consultation w/Tech Rep May Be Necessary Call 270-781-9741~Not Compatible w/Mericruiser/OMC/Volvo Penta Accessory Drives~Requires Short Water Pump and 2V Pulley
    • Liter: 6.5
    • SubModel: BASE
    • CUI: 396
    • EngineType: V8 ( 6.5 L / 396 )

    1976 CHEVROLET CAPRICE

    • Fitment_Note: Gilmer Toothed Belt w/Pop Off Valve In Enclosed Compart. Not Recommended~May Req. RaceGas Unless PullyRatio Altered To Reduce Comp. Ratio Below 12:1~Double Keyed Crankshaft and SFI Approved Balancer Recommended~Consultation w/Tech Rep May Be Necessary Call 270-781-9741~Not Compatible w/Mericruiser/OMC/Volvo Penta Accessory Drives~Requires Short Water Pump and 2V Pulley
    • Liter: 7.4
    • SubModel: CLASSIC ESTATE
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1973 CHEVROLET CHEVELLE

    • CC: 7441
    • Fitment_Note: Gilmer Toothed Belt w/Pop Off Valve In Enclosed Compart. Not Recommended~May Req. RaceGas Unless PullyRatio Altered To Reduce Comp. Ratio Below 12:1~Double Keyed Crankshaft and SFI Approved Balancer Recommended~Consultation w/Tech Rep May Be Necessary Call 270-781-9741~Not Compatible w/Mericruiser/OMC/Volvo Penta Accessory Drives~Requires Short Water Pump and 2V Pulley
    • Liter: 7.4
    • SubModel: DELUXE
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1973-1974 CHEVROLET G30 VAN

    • Fitment_Note: Gilmer Toothed Belt w/Pop Off Valve In Enclosed Compart. Not Recommended~May Req. RaceGas Unless PullyRatio Altered To Reduce Comp. Ratio Below 12:1~Double Keyed Crankshaft and SFI Approved Balancer Recommended~Consultation w/Tech Rep May Be Necessary Call 270-781-9741~Not Compatible w/Mericruiser/OMC/Volvo Penta Accessory Drives~Requires Short Water Pump and 2V Pulley
    • Liter: 7.4
    • SubModel: BASE
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1979-1980 CHEVROLET C20 SUBURBAN

    • Fitment_Note: Gilmer Toothed Belt w/Pop Off Valve In Enclosed Compart. Not Recommended~May Req. RaceGas Unless PullyRatio Altered To Reduce Comp. Ratio Below 12:1~Double Keyed Crankshaft and SFI Approved Balancer Recommended~Consultation w/Tech Rep May Be Necessary Call 270-781-9741~Not Compatible w/Mericruiser/OMC/Volvo Penta Accessory Drives~Requires Short Water Pump and 2V Pulley
    • Liter: 7.4
    • SubModel: SILVERADO
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1973 CHEVROLET P10 VAN

    • Fitment_Note: Gilmer Toothed Belt w/Pop Off Valve In Enclosed Compart. Not Recommended~May Req. RaceGas Unless PullyRatio Altered To Reduce Comp. Ratio Below 12:1~Double Keyed Crankshaft and SFI Approved Balancer Recommended~Consultation w/Tech Rep May Be Necessary Call 270-781-9741~Not Compatible w/Mericruiser/OMC/Volvo Penta Accessory Drives~Requires Short Water Pump and 2V Pulley
    • Liter: 7.4
    • SubModel: BASE
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1971 CHEVROLET CAPRICE

    • CC: 6588
    • Fitment_Note: Gilmer Toothed Belt w/Pop Off Valve In Enclosed Compart. Not Recommended~May Req. RaceGas Unless PullyRatio Altered To Reduce Comp. Ratio Below 12:1~Double Keyed Crankshaft and SFI Approved Balancer Recommended~Consultation w/Tech Rep May Be Necessary Call 270-781-9741~Not Compatible w/Mericruiser/OMC/Volvo Penta Accessory Drives~Requires Short Water Pump and 2V Pulley
    • Liter: 6.6
    • SubModel: BASE
    • CUI: 402
    • EngineType: V8 ( 6.6 L / 402 )

    1969 GMC C35/C3500 PICKUP

    • CC: 6489
    • Fitment_Note: Gilmer Toothed Belt w/Pop Off Valve In Enclosed Compart. Not Recommended~May Req. RaceGas Unless PullyRatio Altered To Reduce Comp. Ratio Below 12:1~Double Keyed Crankshaft and SFI Approved Balancer Recommended~Consultation w/Tech Rep May Be Necessary Call 270-781-9741~Not Compatible w/Mericruiser/OMC/Volvo Penta Accessory Drives~Requires Short Water Pump and 2V Pulley
    • Liter: 6.5
    • SubModel: BASE
    • CUI: 396
    • EngineType: V8 ( 6.5 L / 396 )

    1970-1972 CHEVROLET CHEVELLE

    • CC: 7439
    • Fitment_Note: Gilmer Toothed Belt w/Pop Off Valve In Enclosed Compart. Not Recommended~May Req. RaceGas Unless PullyRatio Altered To Reduce Comp. Ratio Below 12:1~Double Keyed Crankshaft and SFI Approved Balancer Recommended~Consultation w/Tech Rep May Be Necessary Call 270-781-9741~Not Compatible w/Mericruiser/OMC/Volvo Penta Accessory Drives~Requires Short Water Pump and 2V Pulley
    • Liter: 7.4
    • SubModel: GREENBRIER
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1965-1969 CHEVROLET BISCAYNE

    • CC: 6489
    • Fitment_Note: Gilmer Toothed Belt w/Pop Off Valve In Enclosed Compart. Not Recommended~May Req. RaceGas Unless PullyRatio Altered To Reduce Comp. Ratio Below 12:1~Double Keyed Crankshaft and SFI Approved Balancer Recommended~Consultation w/Tech Rep May Be Necessary Call 270-781-9741~Not Compatible w/Mericruiser/OMC/Volvo Penta Accessory Drives~Requires Short Water Pump and 2V Pulley
    • Liter: 6.5
    • SubModel: BASE
    • CUI: 396
    • EngineType: V8 ( 6.5 L / 396 )

    1972 CHEVROLET C20 PICKUP

    • CC: 6588
    • Fitment_Note: Gilmer Toothed Belt w/Pop Off Valve In Enclosed Compart. Not Recommended~May Req. RaceGas Unless PullyRatio Altered To Reduce Comp. Ratio Below 12:1~Double Keyed Crankshaft and SFI Approved Balancer Recommended~Consultation w/Tech Rep May Be Necessary Call 270-781-9741~Not Compatible w/Mericruiser/OMC/Volvo Penta Accessory Drives~Requires Short Water Pump and 2V Pulley
    • Liter: 6.6
    • SubModel: BASE
    • CUI: 402
    • EngineType: V8 ( 6.6 L / 402 )

    1976 GMC K1500 PICKUP

    • Fitment_Note: Gilmer Toothed Belt w/Pop Off Valve In Enclosed Compart. Not Recommended~May Req. RaceGas Unless PullyRatio Altered To Reduce Comp. Ratio Below 12:1~Double Keyed Crankshaft and SFI Approved Balancer Recommended~Consultation w/Tech Rep May Be Necessary Call 270-781-9741~Not Compatible w/Mericruiser/OMC/Volvo Penta Accessory Drives~Requires Short Water Pump and 2V Pulley
    • Liter: 7.4
    • SubModel: SIERRA CLASSIC
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1968 CHEVROLET C30 PICKUP

    • CC: 6489
    • Fitment_Note: Gilmer Toothed Belt w/Pop Off Valve In Enclosed Compart. Not Recommended~May Req. RaceGas Unless PullyRatio Altered To Reduce Comp. Ratio Below 12:1~Double Keyed Crankshaft and SFI Approved Balancer Recommended~Consultation w/Tech Rep May Be Necessary Call 270-781-9741~Not Compatible w/Mericruiser/OMC/Volvo Penta Accessory Drives~Requires Short Water Pump and 2V Pulley
    • Liter: 6.5
    • SubModel: BASE
    • CUI: 396
    • EngineType: V8 ( 6.5 L / 396 )

    1965-1969 PONTIAC BEAUMONT

    • CC: 6489
    • Fitment_Note: Gilmer Toothed Belt w/Pop Off Valve In Enclosed Compart. Not Recommended~May Req. RaceGas Unless PullyRatio Altered To Reduce Comp. Ratio Below 12:1~Double Keyed Crankshaft and SFI Approved Balancer Recommended~Consultation w/Tech Rep May Be Necessary Call 270-781-9741~Not Compatible w/Mericruiser/OMC/Volvo Penta Accessory Drives~Requires Short Water Pump and 2V Pulley
    • Liter: 6.5
    • SubModel: BASE
    • CUI: 396
    • EngineType: V8 ( 6.5 L / 396 )

    1970 CHEVROLET KINGSWOOD

    • CC: 7441
    • Fitment_Note: Gilmer Toothed Belt w/Pop Off Valve In Enclosed Compart. Not Recommended~May Req. RaceGas Unless PullyRatio Altered To Reduce Comp. Ratio Below 12:1~Double Keyed Crankshaft and SFI Approved Balancer Recommended~Consultation w/Tech Rep May Be Necessary Call 270-781-9741~Not Compatible w/Mericruiser/OMC/Volvo Penta Accessory Drives~Requires Short Water Pump and 2V Pulley
    • Liter: 7.4
    • SubModel: BASE
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1970-1971 CHEVROLET C20 SUBURBAN

    • CC: 6588
    • Fitment_Note: Gilmer Toothed Belt w/Pop Off Valve In Enclosed Compart. Not Recommended~May Req. RaceGas Unless PullyRatio Altered To Reduce Comp. Ratio Below 12:1~Double Keyed Crankshaft and SFI Approved Balancer Recommended~Consultation w/Tech Rep May Be Necessary Call 270-781-9741~Not Compatible w/Mericruiser/OMC/Volvo Penta Accessory Drives~Requires Short Water Pump and 2V Pulley
    • Liter: 6.6
    • SubModel: BASE
    • CUI: 402
    • EngineType: V8 ( 6.6 L / 402 )

    1976 CHEVROLET P20 VAN

    • Fitment_Note: Gilmer Toothed Belt w/Pop Off Valve In Enclosed Compart. Not Recommended~May Req. RaceGas Unless PullyRatio Altered To Reduce Comp. Ratio Below 12:1~Double Keyed Crankshaft and SFI Approved Balancer Recommended~Consultation w/Tech Rep May Be Necessary Call 270-781-9741~Not Compatible w/Mericruiser/OMC/Volvo Penta Accessory Drives~Requires Short Water Pump and 2V Pulley
    • Liter: 7.4
    • SubModel: STEP-VAN
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1976-1978 GMC K25 PICKUP

    • Fitment_Note: Gilmer Toothed Belt w/Pop Off Valve In Enclosed Compart. Not Recommended~May Req. RaceGas Unless PullyRatio Altered To Reduce Comp. Ratio Below 12:1~Double Keyed Crankshaft and SFI Approved Balancer Recommended~Consultation w/Tech Rep May Be Necessary Call 270-781-9741~Not Compatible w/Mericruiser/OMC/Volvo Penta Accessory Drives~Requires Short Water Pump and 2V Pulley
    • Liter: 7.4
    • SubModel: BASE
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1970 CHEVROLET BISCAYNE

    • CC: 6588
    • Fitment_Note: Gilmer Toothed Belt w/Pop Off Valve In Enclosed Compart. Not Recommended~May Req. RaceGas Unless PullyRatio Altered To Reduce Comp. Ratio Below 12:1~Double Keyed Crankshaft and SFI Approved Balancer Recommended~Consultation w/Tech Rep May Be Necessary Call 270-781-9741~Not Compatible w/Mericruiser/OMC/Volvo Penta Accessory Drives~Requires Short Water Pump and 2V Pulley
    • Liter: 6.6
    • SubModel: BASE
    • CUI: 402
    • EngineType: V8 ( 6.6 L / 402 )

    1977-1980 GMC C1500 PICKUP

    • Fitment_Note: Gilmer Toothed Belt w/Pop Off Valve In Enclosed Compart. Not Recommended~May Req. RaceGas Unless PullyRatio Altered To Reduce Comp. Ratio Below 12:1~Double Keyed Crankshaft and SFI Approved Balancer Recommended~Consultation w/Tech Rep May Be Necessary Call 270-781-9741~Not Compatible w/Mericruiser/OMC/Volvo Penta Accessory Drives~Requires Short Water Pump and 2V Pulley
    • Liter: 7.4
    • SubModel: HEAVY HALF
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1979-1980 GMC C1500 SUBURBAN

    • Fitment_Note: Gilmer Toothed Belt w/Pop Off Valve In Enclosed Compart. Not Recommended~May Req. RaceGas Unless PullyRatio Altered To Reduce Comp. Ratio Below 12:1~Double Keyed Crankshaft and SFI Approved Balancer Recommended~Consultation w/Tech Rep May Be Necessary Call 270-781-9741~Not Compatible w/Mericruiser/OMC/Volvo Penta Accessory Drives~Requires Short Water Pump and 2V Pulley
    • Liter: 7.4
    • SubModel: SIERRA CLASSIC
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1965-1967 CHEVROLET IMPALA

    • Fitment_Note: Gilmer Toothed Belt w/Pop Off Valve In Enclosed Compart. Not Recommended~May Req. RaceGas Unless PullyRatio Altered To Reduce Comp. Ratio Below 12:1~Double Keyed Crankshaft and SFI Approved Balancer Recommended~Consultation w/Tech Rep May Be Necessary Call 270-781-9741~Not Compatible w/Mericruiser/OMC/Volvo Penta Accessory Drives~Requires Short Water Pump and 2V Pulley
    • Liter: 6.5
    • SubModel: SS
    • CUI: 396
    • EngineType: V8 ( 6.5 L / 396 )

    1970 CHEVROLET NOVA

    • CC: 6588
    • Fitment_Note: Gilmer Toothed Belt w/Pop Off Valve In Enclosed Compart. Not Recommended~May Req. RaceGas Unless PullyRatio Altered To Reduce Comp. Ratio Below 12:1~Double Keyed Crankshaft and SFI Approved Balancer Recommended~Consultation w/Tech Rep May Be Necessary Call 270-781-9741~Not Compatible w/Mericruiser/OMC/Volvo Penta Accessory Drives~Requires Short Water Pump and 2V Pulley
    • Liter: 6.6
    • SubModel: BASE
    • CUI: 402
    • EngineType: V8 ( 6.6 L / 402 )

    1972 CHEVROLET C10 PICKUP

    • CC: 6588
    • Fitment_Note: Gilmer Toothed Belt w/Pop Off Valve In Enclosed Compart. Not Recommended~May Req. RaceGas Unless PullyRatio Altered To Reduce Comp. Ratio Below 12:1~Double Keyed Crankshaft and SFI Approved Balancer Recommended~Consultation w/Tech Rep May Be Necessary Call 270-781-9741~Not Compatible w/Mericruiser/OMC/Volvo Penta Accessory Drives~Requires Short Water Pump and 2V Pulley
    • Liter: 6.6
    • SubModel: BASE
    • CUI: 402
    • EngineType: V8 ( 6.6 L / 402 )

    1979-1986 GMC K3500 PICKUP

    • Fitment_Note: Gilmer Toothed Belt w/Pop Off Valve In Enclosed Compart. Not Recommended~May Req. RaceGas Unless PullyRatio Altered To Reduce Comp. Ratio Below 12:1~Double Keyed Crankshaft and SFI Approved Balancer Recommended~Consultation w/Tech Rep May Be Necessary Call 270-781-9741~Not Compatible w/Mericruiser/OMC/Volvo Penta Accessory Drives~Requires Short Water Pump and 2V Pulley
    • Liter: 7.4
    • SubModel: SIERRA CLASSIC
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1969 CHEVROLET TOWNSMAN

    • CC: 6489
    • Fitment_Note: Gilmer Toothed Belt w/Pop Off Valve In Enclosed Compart. Not Recommended~May Req. RaceGas Unless PullyRatio Altered To Reduce Comp. Ratio Below 12:1~Double Keyed Crankshaft and SFI Approved Balancer Recommended~Consultation w/Tech Rep May Be Necessary Call 270-781-9741~Not Compatible w/Mericruiser/OMC/Volvo Penta Accessory Drives~Requires Short Water Pump and 2V Pulley
    • Liter: 6.5
    • SubModel: BASE
    • CUI: 396
    • EngineType: V8 ( 6.5 L / 396 )

    1975-1977 CHEVROLET C20 SUBURBAN

    • Fitment_Note: Gilmer Toothed Belt w/Pop Off Valve In Enclosed Compart. Not Recommended~May Req. RaceGas Unless PullyRatio Altered To Reduce Comp. Ratio Below 12:1~Double Keyed Crankshaft and SFI Approved Balancer Recommended~Consultation w/Tech Rep May Be Necessary Call 270-781-9741~Not Compatible w/Mericruiser/OMC/Volvo Penta Accessory Drives~Requires Short Water Pump and 2V Pulley
    • Liter: 7.4
    • SubModel: SILVERADO
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1982-1986 CHEVROLET C20 SUBURBAN

    • Fitment_Note: Gilmer Toothed Belt w/Pop Off Valve In Enclosed Compart. Not Recommended~May Req. RaceGas Unless PullyRatio Altered To Reduce Comp. Ratio Below 12:1~Double Keyed Crankshaft and SFI Approved Balancer Recommended~Consultation w/Tech Rep May Be Necessary Call 270-781-9741~Not Compatible w/Mericruiser/OMC/Volvo Penta Accessory Drives~Requires Short Water Pump and 2V Pulley
    • Liter: 7.4
    • SubModel: SILVERADO
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1968 CHEVROLET C10 PICKUP

    • CC: 6489
    • Fitment_Note: Gilmer Toothed Belt w/Pop Off Valve In Enclosed Compart. Not Recommended~May Req. RaceGas Unless PullyRatio Altered To Reduce Comp. Ratio Below 12:1~Double Keyed Crankshaft and SFI Approved Balancer Recommended~Consultation w/Tech Rep May Be Necessary Call 270-781-9741~Not Compatible w/Mericruiser/OMC/Volvo Penta Accessory Drives~Requires Short Water Pump and 2V Pulley
    • Liter: 6.5
    • SubModel: BASE
    • CUI: 396
    • EngineType: V8 ( 6.5 L / 396 )

    1976 CHEVROLET G20 VAN

    • Fitment_Note: Gilmer Toothed Belt w/Pop Off Valve In Enclosed Compart. Not Recommended~May Req. RaceGas Unless PullyRatio Altered To Reduce Comp. Ratio Below 12:1~Double Keyed Crankshaft and SFI Approved Balancer Recommended~Consultation w/Tech Rep May Be Necessary Call 270-781-9741~Not Compatible w/Mericruiser/OMC/Volvo Penta Accessory Drives~Requires Short Water Pump and 2V Pulley
    • Liter: 7.4
    • SubModel: CHEVY VAN
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1979-1986 GMC C3500 PICKUP

    • Fitment_Note: Gilmer Toothed Belt w/Pop Off Valve In Enclosed Compart. Not Recommended~May Req. RaceGas Unless PullyRatio Altered To Reduce Comp. Ratio Below 12:1~Double Keyed Crankshaft and SFI Approved Balancer Recommended~Consultation w/Tech Rep May Be Necessary Call 270-781-9741~Not Compatible w/Mericruiser/OMC/Volvo Penta Accessory Drives~Requires Short Water Pump and 2V Pulley
    • Liter: 7.4
    • SubModel: BASE
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1976-1978 CHEVROLET K5 BLAZER

    • Fitment_Note: Gilmer Toothed Belt w/Pop Off Valve In Enclosed Compart. Not Recommended~May Req. RaceGas Unless PullyRatio Altered To Reduce Comp. Ratio Below 12:1~Double Keyed Crankshaft and SFI Approved Balancer Recommended~Consultation w/Tech Rep May Be Necessary Call 270-781-9741~Not Compatible w/Mericruiser/OMC/Volvo Penta Accessory Drives~Requires Short Water Pump and 2V Pulley
    • Liter: 7.4
    • SubModel: CHEYENNE
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1970-1972 GMC K1500 PICKUP

    • CC: 6588
    • Fitment_Note: Gilmer Toothed Belt w/Pop Off Valve In Enclosed Compart. Not Recommended~May Req. RaceGas Unless PullyRatio Altered To Reduce Comp. Ratio Below 12:1~Double Keyed Crankshaft and SFI Approved Balancer Recommended~Consultation w/Tech Rep May Be Necessary Call 270-781-9741~Not Compatible w/Mericruiser/OMC/Volvo Penta Accessory Drives~Requires Short Water Pump and 2V Pulley
    • Liter: 6.6
    • SubModel: BASE
    • CUI: 402
    • EngineType: V8 ( 6.6 L / 402 )

    1973-1974 GMC K25/K2500 PICKUP

    • CC: 7441
    • Fitment_Note: Gilmer Toothed Belt w/Pop Off Valve In Enclosed Compart. Not Recommended~May Req. RaceGas Unless PullyRatio Altered To Reduce Comp. Ratio Below 12:1~Double Keyed Crankshaft and SFI Approved Balancer Recommended~Consultation w/Tech Rep May Be Necessary Call 270-781-9741~Not Compatible w/Mericruiser/OMC/Volvo Penta Accessory Drives~Requires Short Water Pump and 2V Pulley
    • Liter: 7.4
    • SubModel: BASE
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1972 CHEVROLET KINGSWOOD

    • CC: 7441
    • Fitment_Note: Gilmer Toothed Belt w/Pop Off Valve In Enclosed Compart. Not Recommended~May Req. RaceGas Unless PullyRatio Altered To Reduce Comp. Ratio Below 12:1~Double Keyed Crankshaft and SFI Approved Balancer Recommended~Consultation w/Tech Rep May Be Necessary Call 270-781-9741~Not Compatible w/Mericruiser/OMC/Volvo Penta Accessory Drives~Requires Short Water Pump and 2V Pulley
    • Liter: 7.4
    • SubModel: ESTATE
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1971-1972 CHEVROLET CHEVELLE

    • CC: 7441
    • Fitment_Note: Gilmer Toothed Belt w/Pop Off Valve In Enclosed Compart. Not Recommended~May Req. RaceGas Unless PullyRatio Altered To Reduce Comp. Ratio Below 12:1~Double Keyed Crankshaft and SFI Approved Balancer Recommended~Consultation w/Tech Rep May Be Necessary Call 270-781-9741~Not Compatible w/Mericruiser/OMC/Volvo Penta Accessory Drives~Requires Short Water Pump and 2V Pulley
    • Liter: 7.4
    • SubModel: NOMAD
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1973-1974 CHEVROLET G20 VAN

    • CC: 7439
    • Fitment_Note: Gilmer Toothed Belt w/Pop Off Valve In Enclosed Compart. Not Recommended~May Req. RaceGas Unless PullyRatio Altered To Reduce Comp. Ratio Below 12:1~Double Keyed Crankshaft and SFI Approved Balancer Recommended~Consultation w/Tech Rep May Be Necessary Call 270-781-9741~Not Compatible w/Mericruiser/OMC/Volvo Penta Accessory Drives~Requires Short Water Pump and 2V Pulley
    • Liter: 7.4
    • SubModel: SPORTVAN
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1981 CHEVROLET C20 PICKUP

    • Fitment_Note: Gilmer Toothed Belt w/Pop Off Valve In Enclosed Compart. Not Recommended~May Req. RaceGas Unless PullyRatio Altered To Reduce Comp. Ratio Below 12:1~Double Keyed Crankshaft and SFI Approved Balancer Recommended~Consultation w/Tech Rep May Be Necessary Call 270-781-9741~Not Compatible w/Mericruiser/OMC/Volvo Penta Accessory Drives~Requires Short Water Pump and 2V Pulley
    • Liter: 7.4
    • SubModel: DELUXE
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1970-1972 GMC K15/K1500 SUBURBAN

    • Fitment_Note: Gilmer Toothed Belt w/Pop Off Valve In Enclosed Compart. Not Recommended~May Req. RaceGas Unless PullyRatio Altered To Reduce Comp. Ratio Below 12:1~Double Keyed Crankshaft and SFI Approved Balancer Recommended~Consultation w/Tech Rep May Be Necessary Call 270-781-9741~Not Compatible w/Mericruiser/OMC/Volvo Penta Accessory Drives~Requires Short Water Pump and 2V Pulley
    • Liter: 6.6
    • SubModel: BASE
    • CUI: 402
    • EngineType: V8 ( 6.6 L / 402 )

    1979-1986 GMC K3500 PICKUP

    • Fitment_Note: Gilmer Toothed Belt w/Pop Off Valve In Enclosed Compart. Not Recommended~May Req. RaceGas Unless PullyRatio Altered To Reduce Comp. Ratio Below 12:1~Double Keyed Crankshaft and SFI Approved Balancer Recommended~Consultation w/Tech Rep May Be Necessary Call 270-781-9741~Not Compatible w/Mericruiser/OMC/Volvo Penta Accessory Drives~Requires Short Water Pump and 2V Pulley
    • Liter: 7.4
    • SubModel: BASE
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1969 CHEVROLET BROOKWOOD

    • CC: 6998
    • Fitment_Note: Gilmer Toothed Belt w/Pop Off Valve In Enclosed Compart. Not Recommended~May Req. RaceGas Unless PullyRatio Altered To Reduce Comp. Ratio Below 12:1~Double Keyed Crankshaft and SFI Approved Balancer Recommended~Consultation w/Tech Rep May Be Necessary Call 270-781-9741~Not Compatible w/Mericruiser/OMC/Volvo Penta Accessory Drives~Requires Short Water Pump and 2V Pulley
    • Liter: 7.0
    • SubModel: BASE
    • CUI: 427
    • EngineType: V8 ( 7.0 L / 427 )

    1973-1974 GMC C1500 PICKUP

    • CC: 7441
    • Fitment_Note: Gilmer Toothed Belt w/Pop Off Valve In Enclosed Compart. Not Recommended~May Req. RaceGas Unless PullyRatio Altered To Reduce Comp. Ratio Below 12:1~Double Keyed Crankshaft and SFI Approved Balancer Recommended~Consultation w/Tech Rep May Be Necessary Call 270-781-9741~Not Compatible w/Mericruiser/OMC/Volvo Penta Accessory Drives~Requires Short Water Pump and 2V Pulley
    • Liter: 7.4
    • SubModel: BASE
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1977 GMC C1500 PICKUP

    • Fitment_Note: Gilmer Toothed Belt w/Pop Off Valve In Enclosed Compart. Not Recommended~May Req. RaceGas Unless PullyRatio Altered To Reduce Comp. Ratio Below 12:1~Double Keyed Crankshaft and SFI Approved Balancer Recommended~Consultation w/Tech Rep May Be Necessary Call 270-781-9741~Not Compatible w/Mericruiser/OMC/Volvo Penta Accessory Drives~Requires Short Water Pump and 2V Pulley
    • Liter: 7.4
    • SubModel: INDY HAULER
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1970-1971 CHEVROLET BEL AIR

    • CC: 7441
    • Fitment_Note: Gilmer Toothed Belt w/Pop Off Valve In Enclosed Compart. Not Recommended~May Req. RaceGas Unless PullyRatio Altered To Reduce Comp. Ratio Below 12:1~Double Keyed Crankshaft and SFI Approved Balancer Recommended~Consultation w/Tech Rep May Be Necessary Call 270-781-9741~Not Compatible w/Mericruiser/OMC/Volvo Penta Accessory Drives~Requires Short Water Pump and 2V Pulley
    • Liter: 7.4
    • SubModel: BASE
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1975-1978 GMC C15 SUBURBAN

    • Fitment_Note: Gilmer Toothed Belt w/Pop Off Valve In Enclosed Compart. Not Recommended~May Req. RaceGas Unless PullyRatio Altered To Reduce Comp. Ratio Below 12:1~Double Keyed Crankshaft and SFI Approved Balancer Recommended~Consultation w/Tech Rep May Be Necessary Call 270-781-9741~Not Compatible w/Mericruiser/OMC/Volvo Penta Accessory Drives~Requires Short Water Pump and 2V Pulley
    • Liter: 7.4
    • SubModel: BASE
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1979-1986 GMC P3500 VAN

    • Fitment_Note: Gilmer Toothed Belt w/Pop Off Valve In Enclosed Compart. Not Recommended~May Req. RaceGas Unless PullyRatio Altered To Reduce Comp. Ratio Below 12:1~Double Keyed Crankshaft and SFI Approved Balancer Recommended~Consultation w/Tech Rep May Be Necessary Call 270-781-9741~Not Compatible w/Mericruiser/OMC/Volvo Penta Accessory Drives~Requires Short Water Pump and 2V Pulley
    • Liter: 7.4
    • SubModel: VALUE VAN
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1973-1974 CHEVROLET G10 VAN

    • Fitment_Note: Gilmer Toothed Belt w/Pop Off Valve In Enclosed Compart. Not Recommended~May Req. RaceGas Unless PullyRatio Altered To Reduce Comp. Ratio Below 12:1~Double Keyed Crankshaft and SFI Approved Balancer Recommended~Consultation w/Tech Rep May Be Necessary Call 270-781-9741~Not Compatible w/Mericruiser/OMC/Volvo Penta Accessory Drives~Requires Short Water Pump and 2V Pulley
    • Liter: 7.4
    • SubModel: BASE
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1984-1986 CHEVROLET C20 SUBURBAN

    • Fitment_Note: Gilmer Toothed Belt w/Pop Off Valve In Enclosed Compart. Not Recommended~May Req. RaceGas Unless PullyRatio Altered To Reduce Comp. Ratio Below 12:1~Double Keyed Crankshaft and SFI Approved Balancer Recommended~Consultation w/Tech Rep May Be Necessary Call 270-781-9741~Not Compatible w/Mericruiser/OMC/Volvo Penta Accessory Drives~Requires Short Water Pump and 2V Pulley
    • Liter: 7.4
    • SubModel: SCOTTSDALE
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1980-1986 CHEVROLET K30 PICKUP

    • Fitment_Note: Gilmer Toothed Belt w/Pop Off Valve In Enclosed Compart. Not Recommended~May Req. RaceGas Unless PullyRatio Altered To Reduce Comp. Ratio Below 12:1~Double Keyed Crankshaft and SFI Approved Balancer Recommended~Consultation w/Tech Rep May Be Necessary Call 270-781-9741~Not Compatible w/Mericruiser/OMC/Volvo Penta Accessory Drives~Requires Short Water Pump and 2V Pulley
    • Liter: 7.4
    • SubModel: SILVERADO
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1970-1971 CHEVROLET MONTE CARLO

    • CC: 7441
    • Fitment_Note: Gilmer Toothed Belt w/Pop Off Valve In Enclosed Compart. Not Recommended~May Req. RaceGas Unless PullyRatio Altered To Reduce Comp. Ratio Below 12:1~Double Keyed Crankshaft and SFI Approved Balancer Recommended~Consultation w/Tech Rep May Be Necessary Call 270-781-9741~Not Compatible w/Mericruiser/OMC/Volvo Penta Accessory Drives~Requires Short Water Pump and 2V Pulley
    • Liter: 7.4
    • SubModel: BASE
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1973-1974 CHEVROLET P30 VAN

    • CC: 7441
    • Fitment_Note: Gilmer Toothed Belt w/Pop Off Valve In Enclosed Compart. Not Recommended~May Req. RaceGas Unless PullyRatio Altered To Reduce Comp. Ratio Below 12:1~Double Keyed Crankshaft and SFI Approved Balancer Recommended~Consultation w/Tech Rep May Be Necessary Call 270-781-9741~Not Compatible w/Mericruiser/OMC/Volvo Penta Accessory Drives~Requires Short Water Pump and 2V Pulley
    • Liter: 7.4
    • SubModel: BASE
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1979-1983 GMC C3500 PICKUP

    • Fitment_Note: Gilmer Toothed Belt w/Pop Off Valve In Enclosed Compart. Not Recommended~May Req. RaceGas Unless PullyRatio Altered To Reduce Comp. Ratio Below 12:1~Double Keyed Crankshaft and SFI Approved Balancer Recommended~Consultation w/Tech Rep May Be Necessary Call 270-781-9741~Not Compatible w/Mericruiser/OMC/Volvo Penta Accessory Drives~Requires Short Water Pump and 2V Pulley
    • Liter: 7.4
    • SubModel: SIERRA CLASSIC
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1963 CHEVROLET BISCAYNE

    • CC: 6997
    • Fitment_Note: Gilmer Toothed Belt w/Pop Off Valve In Enclosed Compart. Not Recommended~May Req. RaceGas Unless PullyRatio Altered To Reduce Comp. Ratio Below 12:1~Double Keyed Crankshaft and SFI Approved Balancer Recommended~Consultation w/Tech Rep May Be Necessary Call 270-781-9741~Not Compatible w/Mericruiser/OMC/Volvo Penta Accessory Drives~Requires Short Water Pump and 2V Pulley
    • Liter: 7.0
    • SubModel: BASE
    • CUI: 427
    • EngineType: V8 ( 7.0 L / 427 )

    1975-1978 GMC C25/C2500 PICKUP

    • Fitment_Note: Gilmer Toothed Belt w/Pop Off Valve In Enclosed Compart. Not Recommended~May Req. RaceGas Unless PullyRatio Altered To Reduce Comp. Ratio Below 12:1~Double Keyed Crankshaft and SFI Approved Balancer Recommended~Consultation w/Tech Rep May Be Necessary Call 270-781-9741~Not Compatible w/Mericruiser/OMC/Volvo Penta Accessory Drives~Requires Short Water Pump and 2V Pulley
    • Liter: 7.4
    • SubModel: SIERRA GRANDE
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1974 GMC K15/K1500 SUBURBAN

    • Fitment_Note: Gilmer Toothed Belt w/Pop Off Valve In Enclosed Compart. Not Recommended~May Req. RaceGas Unless PullyRatio Altered To Reduce Comp. Ratio Below 12:1~Double Keyed Crankshaft and SFI Approved Balancer Recommended~Consultation w/Tech Rep May Be Necessary Call 270-781-9741~Not Compatible w/Mericruiser/OMC/Volvo Penta Accessory Drives~Requires Short Water Pump and 2V Pulley
    • Liter: 7.4
    • SubModel: BASE
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1975-1978 GMC C25 SUBURBAN

    • Fitment_Note: Gilmer Toothed Belt w/Pop Off Valve In Enclosed Compart. Not Recommended~May Req. RaceGas Unless PullyRatio Altered To Reduce Comp. Ratio Below 12:1~Double Keyed Crankshaft and SFI Approved Balancer Recommended~Consultation w/Tech Rep May Be Necessary Call 270-781-9741~Not Compatible w/Mericruiser/OMC/Volvo Penta Accessory Drives~Requires Short Water Pump and 2V Pulley
    • Liter: 7.4
    • SubModel: SIERRA CLASSIC
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1970-1972 GMC C1500 PICKUP

    • CC: 6588
    • Fitment_Note: Gilmer Toothed Belt w/Pop Off Valve In Enclosed Compart. Not Recommended~May Req. RaceGas Unless PullyRatio Altered To Reduce Comp. Ratio Below 12:1~Double Keyed Crankshaft and SFI Approved Balancer Recommended~Consultation w/Tech Rep May Be Necessary Call 270-781-9741~Not Compatible w/Mericruiser/OMC/Volvo Penta Accessory Drives~Requires Short Water Pump and 2V Pulley
    • Liter: 6.6
    • SubModel: BASE
    • CUI: 402
    • EngineType: V8 ( 6.6 L / 402 )

    1973-1974 CHEVROLET CAPRICE

    • CC: 7441
    • Fitment_Note: Gilmer Toothed Belt w/Pop Off Valve In Enclosed Compart. Not Recommended~May Req. RaceGas Unless PullyRatio Altered To Reduce Comp. Ratio Below 12:1~Double Keyed Crankshaft and SFI Approved Balancer Recommended~Consultation w/Tech Rep May Be Necessary Call 270-781-9741~Not Compatible w/Mericruiser/OMC/Volvo Penta Accessory Drives~Requires Short Water Pump and 2V Pulley
    • Liter: 7.4
    • SubModel: CLASSIC
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1968 CHEVROLET K20 PICKUP

    • CC: 6489
    • Fitment_Note: Gilmer Toothed Belt w/Pop Off Valve In Enclosed Compart. Not Recommended~May Req. RaceGas Unless PullyRatio Altered To Reduce Comp. Ratio Below 12:1~Double Keyed Crankshaft and SFI Approved Balancer Recommended~Consultation w/Tech Rep May Be Necessary Call 270-781-9741~Not Compatible w/Mericruiser/OMC/Volvo Penta Accessory Drives~Requires Short Water Pump and 2V Pulley
    • Liter: 6.5
    • SubModel: BASE
    • CUI: 396
    • EngineType: V8 ( 6.5 L / 396 )
    Items You Need

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