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COMP Cams 12-771-8
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COMP Cams Xtreme Energy Mechanical Roller Camshaft Small Block Chevy 1955-98 Lift: .570"/.576"

249-12-771-8

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$344.99
COMP Cams Xtreme Energy Mechanical Roller Camshaft Small Block Chevy 1955-98 Lift: .570"/.576" $344.99
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Xtreme Energy Mechanical Roller Camshaft
Small Block Chevy 1955-98
  • Lift: .570"/.576"
  • Duration: 280°/286°
  • Lobe Separation Angle: 110°
  • RPM Range: 2500-6500
  • COMP Cams 12-771-8 Details

    Chevy 262-400ci Small Block 1955-98

    *Note: In order to use these camshafts in 1955-57 265ci blocks, it is necessary to machine a small groove in the rear main journal of the cam to allow oil flow to the top of the engine.

    **Note: Requires thrust button & wear plate.

    Best in street machines with 2800 stall converter, 10:1 or more compression with 3.73-3.90 rear gears.

    Operating Range:2500-6500 RPM
    Duration Advertised:280° Intake / 286° Exhaust
    Duration @ .050'' Lift:242° Intake / 248° Exhaust
    Valve Lift w/1.5 Rockers:.570'' Intake / .576'' Exhaust
    Valve Setting:.016'' Intake / .018'' Exhaust
    Lobe Separation Angle:110°

    Specifications:

    Intake Valve Lift (in.)
    0.570
    Exhaust Valve Lift (in.)
    0.576
    Int. Duration @ .050 in. (Deg)
    242
    Exh. Duration @ .050 in. (Deg)
    248
    RPM Range
    2500-6500
    Int. Duration Advertised (Deg)
    280
    Exh. Duration Advertised (Deg)
    286
    Engine Make/Size
    Chevy Small Block (262-400)
    Lifter Type
    Mechanical Roller
    Usage
    Street/Performance
    Advertised Duration
    280 int./286 exh.
    Advertised Exhaust Duration
    286
    Advertised Intake Duration
    280
    Basic Operating RPM Range
    2,500-6,500
    Cam Style
    Mechanical roller tappet
    Computer-Controlled Compatible
    No
    Duration at 050 inch Lift
    242 int./248 exh.
    Exhaust Duration at 050 inch Lift
    248
    Exhaust Valve Lash (in.)
    0.018
    Exhaust Valve Lift with Factory Rocker Arm Ratio (
    0.576
    Grind Number
    CS XR280 R-10
    Intake Duration at 050 inch Lift
    242
    Intake Valve Lash (in.)
    0.016
    Intake Valve Lift with Factory Rocker Arm Ratio (i
    0.57
    Quantity
    Sold individually
    Valve Lift with Factory Rocker Arm Ratio
    0.570 int./0.576 exh.
    Valve Springs Required
    Yes
    Lobe Separation (Deg)
    110
    Manufacturer's Part Number:
    12-771-8

    The Leading Edge of Valve Train Technology

    Comp Cams Xtreme Energy series camshafts can be used in any street or street/strip application where both throttle response and top-end horsepower is desired. These cams are designed to take advantage of the latest improvements in valve train components and the newest developments in camshaft design. Their aggressive lobe design produces better throttle response and top end horsepower than other cams with the same duration @ .050'' lift, while delivering increased engine vacuum. We do not recommend the use of stock valve train components with these camshafts due to the aggressive lobe designs.

    Features:
  • Quicker opening lobe profiles deliver increased responsiveness & more area under the lift curve
  • More vacuum allows an increase in duration for improved performance and assists power brakes
  • Excellent performance in street carbureted applications
  • Best performance with aftermarket intake manifolds, headers, lower gear ratios

    Camshaft & Lifter Kits are indicated by a CL in their part number and include Camshaft, Lifters, Assembly Lube, Decals, and Instructions.

    Complete Kits are indicated by a K in their part number and include Camshaft, Lifters, Timing Chain & Gears, Valve Springs, Retainers, Locks, Assembly Lube, Decals, and Instructions.

    Small Kits are indicated by a SK in their part number and include Camshaft, Lifters, Timing Chain Set, Assembly Lube, Decals, and Instructions.

  • Does COMP Cams 12-771-8 fit your vehicle?

    Narrow Results

    1987-1993 GMC G15/G1500 VAN

    • Fitment_Note: Requires Thrust Button And Wear Plate~Not Legal For Sale Or Use On Pollution-Controlled Motor Vehicle
    • Liter: 5.7
    • SubModel: RALLY STX
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1987-1993 GMC G15/G1500 VAN

    • Fitment_Note: Requires Thrust Button And Wear Plate~Not Legal For Sale Or Use On Pollution-Controlled Motor Vehicle
    • Liter: 5.7
    • SubModel: RALLY
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1987 GMC V2500 SUBURBAN

    • Fitment_Note: Requires Thrust Button And Wear Plate~Not Legal For Sale Or Use On Pollution-Controlled Motor Vehicle
    • Liter: 5.7
    • SubModel: HIGH SIERRA
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1988-1995 CHEVROLET K1500 PICKUP

    • Fitment_Note: Requires Thrust Button And Wear Plate~Not Legal For Sale Or Use On Pollution-Controlled Motor Vehicle
    • Liter: 5.7
    • SubModel: SILVERADO
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1990-1995 CHEVROLET C1500 PICKUP

    • CC: 5031
    • Fitment_Note: Requires Thrust Button And Wear Plate~Not Legal For Sale Or Use On Pollution-Controlled Motor Vehicle
    • Liter: 5.0
    • SubModel: WT
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1993 CHEVROLET CAPRICE

    • Fitment_Note: Requires Thrust Button And Wear Plate~Not Legal For Sale Or Use On Pollution-Controlled Motor Vehicle
    • Liter: 5.7
    • SubModel: CLASSIC
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1987-1995 GMC G35/G3500 VAN

    • Fitment_Note: Requires Thrust Button And Wear Plate~Not Legal For Sale Or Use On Pollution-Controlled Motor Vehicle
    • Liter: 5.7
    • SubModel: VANDURA SPECIAL
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1993 CHEVROLET CAPRICE

    • CC: 5031
    • Fitment_Note: Requires Thrust Button And Wear Plate~Not Legal For Sale Or Use On Pollution-Controlled Motor Vehicle
    • Liter: 5.0
    • SubModel: CLASSIC
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1993-1994 GMC K1500

    • Fitment_Note: Requires Thrust Button And Wear Plate~Not Legal For Sale Or Use On Pollution-Controlled Motor Vehicle
    • Liter: 5.7
    • SubModel: SIERRA SLE
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1989-1990 CHEVROLET R3500 PICKUP

    • Fitment_Note: Requires Thrust Button And Wear Plate~Not Legal For Sale Or Use On Pollution-Controlled Motor Vehicle
    • Liter: 5.7
    • SubModel: SCOTTSDALE
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1995 GMC C1500 PICKUP

    • CC: 5031
    • Fitment_Note: Requires Thrust Button And Wear Plate~Not Legal For Sale Or Use On Pollution-Controlled Motor Vehicle
    • Liter: 5.0
    • SubModel: SIERRA SL
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1987 CHEVROLET R20 SUBURBAN

    • Fitment_Note: Requires Thrust Button And Wear Plate~Not Legal For Sale Or Use On Pollution-Controlled Motor Vehicle
    • Liter: 5.7
    • SubModel: CUSTOM DELUXE
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1988-1993 GMC K3500 PICKUP

    • Fitment_Note: Requires Thrust Button And Wear Plate~Not Legal For Sale Or Use On Pollution-Controlled Motor Vehicle
    • Liter: 5.7
    • SubModel: SIERRA SLX
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1995 GMC YUKON

    • Fitment_Note: Requires Thrust Button And Wear Plate~Not Legal For Sale Or Use On Pollution-Controlled Motor Vehicle
    • Liter: 5.7
    • SubModel: SLT
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1993 CHEVROLET CAPRICE

    • Fitment_Note: Requires Thrust Button And Wear Plate~Not Legal For Sale Or Use On Pollution-Controlled Motor Vehicle
    • EngineType: ALL
    • SubModel: CLASSIC LS

    1993 GMC K1500

    • Fitment_Note: Requires Thrust Button And Wear Plate~Not Legal For Sale Or Use On Pollution-Controlled Motor Vehicle
    • Liter: 5.7
    • SubModel: SIERRA SLX
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1988-1995 CHEVROLET C2500 PICKUP

    • CC: 5031
    • Fitment_Note: Requires Thrust Button And Wear Plate~Not Legal For Sale Or Use On Pollution-Controlled Motor Vehicle
    • Liter: 5.0
    • SubModel: SILVERADO
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1993 CHEVROLET K2500 SUBURBAN

    • Fitment_Note: Requires Thrust Button And Wear Plate~Not Legal For Sale Or Use On Pollution-Controlled Motor Vehicle
    • Liter: 5.7
    • SubModel: SLE
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1994-1995 CHEVROLET C2500 PICKUP

    • CC: 5031
    • Fitment_Note: Requires Thrust Button And Wear Plate~Not Legal For Sale Or Use On Pollution-Controlled Motor Vehicle
    • Liter: 5.0
    • SubModel: WT
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1987-1989 GMC R2500 SUBURBAN

    • Fitment_Note: Requires Thrust Button And Wear Plate~Not Legal For Sale Or Use On Pollution-Controlled Motor Vehicle
    • Liter: 5.7
    • SubModel: SIERRA CLASSIC
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1995 GMC C1500 PICKUP

    • CC: 5031
    • Fitment_Note: Requires Thrust Button And Wear Plate~Not Legal For Sale Or Use On Pollution-Controlled Motor Vehicle
    • Liter: 5.0
    • SubModel: SIERRA SLE
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1987 GMC V2500 PICKUP

    • Fitment_Note: Requires Thrust Button And Wear Plate~Not Legal For Sale Or Use On Pollution-Controlled Motor Vehicle
    • Liter: 5.7
    • SubModel: SIERRA CLASSIC
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1988-1995 CHEVROLET K2500 PICKUP

    • CC: 5031
    • Fitment_Note: Requires Thrust Button And Wear Plate~Not Legal For Sale Or Use On Pollution-Controlled Motor Vehicle
    • Liter: 5.0
    • SubModel: CHEYENNE
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1994 CHEVROLET BLAZER

    • Fitment_Note: Requires Thrust Button And Wear Plate~Not Legal For Sale Or Use On Pollution-Controlled Motor Vehicle
    • Liter: 5.7
    • SubModel: SILVERADO
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1990 CHEVROLET CORVETTE

    • Fitment_Note: Requires Thrust Button And Wear Plate~Not Legal For Sale Or Use On Pollution-Controlled Motor Vehicle
    • EngineType: ALL
    • SubModel: BASE

    1995 GMC K1500 PICKUP

    • Fitment_Note: Requires Thrust Button And Wear Plate~Not Legal For Sale Or Use On Pollution-Controlled Motor Vehicle
    • Liter: 5.7
    • SubModel: SIERRA SPECIAL
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1988-1993 GMC C2500 PICKUP

    • Fitment_Note: Requires Thrust Button And Wear Plate~Not Legal For Sale Or Use On Pollution-Controlled Motor Vehicle
    • Liter: 5.7
    • SubModel: SIERRA
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1988-1991 CHEVROLET C2500 PICKUP

    • CC: 5735
    • Fitment_Note: Requires Thrust Button And Wear Plate~Not Legal For Sale Or Use On Pollution-Controlled Motor Vehicle
    • Liter: 5.7
    • SubModel: CHEYENNE
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1987-1996 GMC G35/G3500 VAN

    • Fitment_Note: Requires Thrust Button And Wear Plate~Not Legal For Sale Or Use On Pollution-Controlled Motor Vehicle
    • Liter: 5.7
    • SubModel: VANDURA
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1992-1993 CHEVROLET K2500 PICKUP

    • Fitment_Note: Requires Thrust Button And Wear Plate~Not Legal For Sale Or Use On Pollution-Controlled Motor Vehicle
    • Liter: 5.7
    • SubModel: SILVERADO
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1987 CHEVROLET R20 PICKUP

    • CC: 5031
    • Fitment_Note: Requires Thrust Button And Wear Plate~Not Legal For Sale Or Use On Pollution-Controlled Motor Vehicle
    • Liter: 5.0
    • SubModel: SCOTTSDALE
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1995 GMC K1500 PICKUP

    • Fitment_Note: Requires Thrust Button And Wear Plate~Not Legal For Sale Or Use On Pollution-Controlled Motor Vehicle
    • Liter: 5.0
    • SubModel: SIERRA SLE
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1989-1990 CHEVROLET CAPRICE

    • CC: 5031
    • Fitment_Note: Requires Thrust Button And Wear Plate~Not Legal For Sale Or Use On Pollution-Controlled Motor Vehicle
    • Liter: 5.0
    • SubModel: CLASSIC
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1989-1991 CHEVROLET V2500 SUBURBAN

    • Fitment_Note: Requires Thrust Button And Wear Plate~Not Legal For Sale Or Use On Pollution-Controlled Motor Vehicle
    • Liter: 5.7
    • SubModel: SCOTTSDALE
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1991-1992 CHEVROLET CAPRICE

    • Fitment_Note: Requires Thrust Button And Wear Plate~Not Legal For Sale Or Use On Pollution-Controlled Motor Vehicle
    • EngineType: ALL
    • SubModel: CLASSIC

    1992 GMC C2500 SUBURBAN

    • Fitment_Note: Requires Thrust Button And Wear Plate~Not Legal For Sale Or Use On Pollution-Controlled Motor Vehicle
    • EngineType: ALL
    • SubModel: SLE

    1987 CHEVROLET V10 PICKUP

    • Fitment_Note: Requires Thrust Button And Wear Plate~Not Legal For Sale Or Use On Pollution-Controlled Motor Vehicle
    • Liter: 5.7
    • SubModel: SCOTTSDALE
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1988-1995 GMC C3500 PICKUP

    • Fitment_Note: Requires Thrust Button And Wear Plate~Not Legal For Sale Or Use On Pollution-Controlled Motor Vehicle
    • Liter: 5.7
    • SubModel: SIERRA SLE
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1987 CHEVROLET V10 SUBURBAN

    • Fitment_Note: Requires Thrust Button And Wear Plate~Not Legal For Sale Or Use On Pollution-Controlled Motor Vehicle
    • Liter: 5.7
    • SubModel: CUSTOM DELUXE
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1995 GMC C1500 PICKUP

    • CC: 5031
    • Fitment_Note: Requires Thrust Button And Wear Plate~Not Legal For Sale Or Use On Pollution-Controlled Motor Vehicle
    • Liter: 5.0
    • SubModel: SIERRA SLT
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1987 GMC R2500 SUBURBAN

    • Fitment_Note: Requires Thrust Button And Wear Plate~Not Legal For Sale Or Use On Pollution-Controlled Motor Vehicle
    • Liter: 5.7
    • SubModel: HIGH SIERRA
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1992-1995 GMC C2500 SUBURBAN

    • Fitment_Note: Requires Thrust Button And Wear Plate~Not Legal For Sale Or Use On Pollution-Controlled Motor Vehicle
    • Liter: 5.7
    • SubModel: BASE
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1994-1995 GMC C3500 PICKUP

    • Fitment_Note: Requires Thrust Button And Wear Plate~Not Legal For Sale Or Use On Pollution-Controlled Motor Vehicle
    • Liter: 5.7
    • SubModel: SIERRA SL
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1987-1988 CHEVROLET R10 SUBURBAN

    • Fitment_Note: Requires Thrust Button And Wear Plate~Not Legal For Sale Or Use On Pollution-Controlled Motor Vehicle
    • Liter: 5.7
    • SubModel: SILVERADO
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1988-1991 CHEVROLET C2500 PICKUP

    • Fitment_Note: Requires Thrust Button And Wear Plate~Not Legal For Sale Or Use On Pollution-Controlled Motor Vehicle
    • Liter: 5.7
    • SubModel: SILVERADO
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1989-1990 CHEVROLET CAPRICE

    • Fitment_Note: Requires Thrust Button And Wear Plate~Not Legal For Sale Or Use On Pollution-Controlled Motor Vehicle
    • EngineType: ALL
    • SubModel: CLASSIC LS BROUGHAM

    1992-1994 GMC K1500 SUBURBAN

    • Fitment_Note: Requires Thrust Button And Wear Plate~Not Legal For Sale Or Use On Pollution-Controlled Motor Vehicle
    • EngineType: ALL
    • SubModel: ALL

    1987 PONTIAC GRAND PRIX

    • Fitment_Note: Requires Thrust Button And Wear Plate~Not Legal For Sale Or Use On Pollution-Controlled Motor Vehicle
    • Liter: 5.0
    • SubModel: LE
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1994-1995 GMC C2500 PICKUP

    • Fitment_Note: Requires Thrust Button And Wear Plate~Not Legal For Sale Or Use On Pollution-Controlled Motor Vehicle
    • Liter: 5.7
    • SubModel: SIERRA SLT
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1992-1995 CHEVROLET C2500 SUBURBAN

    • Fitment_Note: Requires Thrust Button And Wear Plate~Not Legal For Sale Or Use On Pollution-Controlled Motor Vehicle
    • Liter: 5.7
    • SubModel: BASE
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1988-1995 GMC G15/G1500 VAN

    • Fitment_Note: Requires Thrust Button And Wear Plate~Not Legal For Sale Or Use On Pollution-Controlled Motor Vehicle
    • Liter: 5.0
    • SubModel: VANDURA
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1992-1993 GMC YUKON

    • Fitment_Note: Requires Thrust Button And Wear Plate~Not Legal For Sale Or Use On Pollution-Controlled Motor Vehicle
    • EngineType: ALL
    • SubModel: ALL

    1990-1995 CHEVROLET K1500 PICKUP

    • Fitment_Note: Requires Thrust Button And Wear Plate~Not Legal For Sale Or Use On Pollution-Controlled Motor Vehicle
    • Liter: 5.7
    • SubModel: WT
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1994-1995 GMC K2500 PICKUP

    • Fitment_Note: Requires Thrust Button And Wear Plate~Not Legal For Sale Or Use On Pollution-Controlled Motor Vehicle
    • Liter: 5.7
    • SubModel: SIERRA SLT
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1993-1994 GMC K1500

    • Fitment_Note: Requires Thrust Button And Wear Plate~Not Legal For Sale Or Use On Pollution-Controlled Motor Vehicle
    • Liter: 5.0
    • SubModel: SIERRA SLE
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1987 CHEVROLET EL CAMINO

    • CC: 5031
    • Fitment_Note: Requires Thrust Button And Wear Plate~Not Legal For Sale Or Use On Pollution-Controlled Motor Vehicle
    • Liter: 5.0
    • SubModel: SS
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1995 CHEVROLET C1500 SUBURBAN

    • Fitment_Note: Requires Thrust Button And Wear Plate~Not Legal For Sale Or Use On Pollution-Controlled Motor Vehicle
    • Liter: 5.7
    • SubModel: BASE
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1987-1988 CHEVROLET CAPRICE

    • CC: 5031
    • Fitment_Note: Requires Thrust Button And Wear Plate~Not Legal For Sale Or Use On Pollution-Controlled Motor Vehicle
    • Liter: 5.0
    • SubModel: CLASSIC
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1995 GMC K2500 SUBURBAN

    • Fitment_Note: Requires Thrust Button And Wear Plate~Not Legal For Sale Or Use On Pollution-Controlled Motor Vehicle
    • Liter: 5.7
    • SubModel: SLT
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1988 CHEVROLET R30 PICKUP

    • Fitment_Note: Requires Thrust Button And Wear Plate~Not Legal For Sale Or Use On Pollution-Controlled Motor Vehicle
    • Liter: 5.7
    • SubModel: CUSTOM DELUXE
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1987 GMC R1500 PICKUP

    • Fitment_Note: Requires Thrust Button And Wear Plate~Not Legal For Sale Or Use On Pollution-Controlled Motor Vehicle
    • Liter: 5.7
    • SubModel: SIERRA CLASSIC
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1990-1995 CHEVROLET G20 VAN

    • Fitment_Note: Requires Thrust Button And Wear Plate~Not Legal For Sale Or Use On Pollution-Controlled Motor Vehicle
    • Liter: 5.7
    • Aspiration: N
    • SubModel: SPORTVAN
    • Engine Vin: K
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1987 CHEVROLET R20 PICKUP

    • CC: 5031
    • Fitment_Note: Requires Thrust Button And Wear Plate~Not Legal For Sale Or Use On Pollution-Controlled Motor Vehicle
    • Liter: 5.0
    • SubModel: SILVERADO
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1987 PONTIAC GRAND PRIX

    • Fitment_Note: Requires Thrust Button And Wear Plate~Not Legal For Sale Or Use On Pollution-Controlled Motor Vehicle
    • Liter: 5.0
    • SubModel: BASE
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1994-1995 GMC C2500 PICKUP

    • Fitment_Note: Requires Thrust Button And Wear Plate~Not Legal For Sale Or Use On Pollution-Controlled Motor Vehicle
    • Liter: 5.7
    • SubModel: SIERRA SL
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1993 GMC K1500

    • Fitment_Note: Requires Thrust Button And Wear Plate~Not Legal For Sale Or Use On Pollution-Controlled Motor Vehicle
    • Liter: 5.7
    • SubModel: SIERRA
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1987-1991 GMC JIMMY

    • Fitment_Note: Requires Thrust Button And Wear Plate~Not Legal For Sale Or Use On Pollution-Controlled Motor Vehicle
    • Liter: 5.7
    • SubModel: BASE
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1990-1995 CHEVROLET G10 VAN

    • Fitment_Note: Requires Thrust Button And Wear Plate~Not Legal For Sale Or Use On Pollution-Controlled Motor Vehicle
    • Liter: 5.0
    • SubModel: CHEVY VAN
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1988-1993 GMC K2500 PICKUP

    • Fitment_Note: Requires Thrust Button And Wear Plate~Not Legal For Sale Or Use On Pollution-Controlled Motor Vehicle
    • Liter: 5.7
    • SubModel: SIERRA SLX
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1994 GMC K1500

    • Fitment_Note: Requires Thrust Button And Wear Plate~Not Legal For Sale Or Use On Pollution-Controlled Motor Vehicle
    • Liter: 5.7
    • SubModel: SIERRA SL
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1995 CHEVROLET K1500 PICKUP

    • Fitment_Note: Requires Thrust Button And Wear Plate~Not Legal For Sale Or Use On Pollution-Controlled Motor Vehicle
    • Liter: 5.7
    • SubModel: BASE
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1987-1989 GMC R1500 SUBURBAN

    • Fitment_Note: Requires Thrust Button And Wear Plate~Not Legal For Sale Or Use On Pollution-Controlled Motor Vehicle
    • Liter: 5.7
    • SubModel: SIERRA CLASSIC
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1987 CHEVROLET CAMARO

    • Fitment_Note: Requires Thrust Button And Wear Plate~Not Legal For Sale Or Use On Pollution-Controlled Motor Vehicle
    • EngineType: ALL
    • SubModel: IROC-Z

    1995 GMC K1500 SUBURBAN

    • Fitment_Note: Requires Thrust Button And Wear Plate~Not Legal For Sale Or Use On Pollution-Controlled Motor Vehicle
    • Liter: 5.7
    • SubModel: SLT
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1990 GMC R2500 SUBURBAN

    • Fitment_Note: Requires Thrust Button And Wear Plate~Not Legal For Sale Or Use On Pollution-Controlled Motor Vehicle
    • Liter: 5.7
    • SubModel: SLE
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1987 PONTIAC FIREBIRD

    • Fitment_Note: Requires Thrust Button And Wear Plate~Not Legal For Sale Or Use On Pollution-Controlled Motor Vehicle
    • Liter: 5.0
    • SubModel: BASE
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1988-1995 CHEVROLET K1500 PICKUP

    • CC: 5031
    • Fitment_Note: Requires Thrust Button And Wear Plate~Not Legal For Sale Or Use On Pollution-Controlled Motor Vehicle
    • Liter: 5.0
    • SubModel: CHEYENNE
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1994 CHEVROLET C1500 PICKUP

    • Fitment_Note: Requires Thrust Button And Wear Plate~Not Legal For Sale Or Use On Pollution-Controlled Motor Vehicle
    • Liter: 5.7
    • Aspiration: N
    • SubModel: BASE
    • Engine Vin: K
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1990-1995 CHEVROLET G20 VAN

    • Fitment_Note: Requires Thrust Button And Wear Plate~Not Legal For Sale Or Use On Pollution-Controlled Motor Vehicle
    • Liter: 5.0
    • SubModel: BEAUVILLE
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1995 CHEVROLET C1500 SUBURBAN

    • Fitment_Note: Requires Thrust Button And Wear Plate~Not Legal For Sale Or Use On Pollution-Controlled Motor Vehicle
    • Liter: 5.7
    • SubModel: LT
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1988 CHEVROLET R30 PICKUP

    • Fitment_Note: Requires Thrust Button And Wear Plate~Not Legal For Sale Or Use On Pollution-Controlled Motor Vehicle
    • Liter: 5.7
    • Aspiration: N
    • SubModel: CUSTOM DELUXE
    • Engine Vin: M
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1990-1995 CHEVROLET K1500 PICKUP

    • CC: 5031
    • Fitment_Note: Requires Thrust Button And Wear Plate~Not Legal For Sale Or Use On Pollution-Controlled Motor Vehicle
    • Liter: 5.0
    • SubModel: WT
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1988-1993 GMC G15/G1500 VAN

    • Fitment_Note: Requires Thrust Button And Wear Plate~Not Legal For Sale Or Use On Pollution-Controlled Motor Vehicle
    • Liter: 5.0
    • SubModel: RALLY
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1992-1993 CHEVROLET K2500 PICKUP

    • Fitment_Note: Requires Thrust Button And Wear Plate~Not Legal For Sale Or Use On Pollution-Controlled Motor Vehicle
    • Liter: 5.7
    • SubModel: CHEYENNE
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1989-1991 CHEVROLET R3500 PICKUP

    • Fitment_Note: Requires Thrust Button And Wear Plate~Not Legal For Sale Or Use On Pollution-Controlled Motor Vehicle
    • Liter: 5.7
    • SubModel: CHEYENNE
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1988-1991 CHEVROLET BLAZER

    • Fitment_Note: Requires Thrust Button And Wear Plate~Not Legal For Sale Or Use On Pollution-Controlled Motor Vehicle
    • Liter: 5.7
    • SubModel: SCOTTSDALE
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1987-1994 CHEVROLET G30 VAN

    • Fitment_Note: Requires Thrust Button And Wear Plate~Not Legal For Sale Or Use On Pollution-Controlled Motor Vehicle
    • Liter: 5.7
    • SubModel: BEAUVILLE
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1987 GMC V1500 PICKUP

    • Fitment_Note: Requires Thrust Button And Wear Plate~Not Legal For Sale Or Use On Pollution-Controlled Motor Vehicle
    • Liter: 5.7
    • SubModel: SIERRA CLASSIC
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1994-1995 CHEVROLET K2500 PICKUP

    • Fitment_Note: Requires Thrust Button And Wear Plate~Not Legal For Sale Or Use On Pollution-Controlled Motor Vehicle
    • Liter: 5.7
    • SubModel: SILVERADO
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1994-1995 GMC K2500 PICKUP

    • Fitment_Note: Requires Thrust Button And Wear Plate~Not Legal For Sale Or Use On Pollution-Controlled Motor Vehicle
    • Liter: 5.0
    • SubModel: SIERRA SLT
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1995 CHEVROLET TAHOE

    • Fitment_Note: Requires Thrust Button And Wear Plate~Not Legal For Sale Or Use On Pollution-Controlled Motor Vehicle
    • Liter: 5.7
    • SubModel: BASE
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1994-1995 CHEVROLET C1500 PICKUP

    • CC: 5031
    • Fitment_Note: Requires Thrust Button And Wear Plate~Not Legal For Sale Or Use On Pollution-Controlled Motor Vehicle
    • Liter: 5.0
    • SubModel: BASE
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1994 CHEVROLET K1500 PICKUP

    • Fitment_Note: Requires Thrust Button And Wear Plate~Not Legal For Sale Or Use On Pollution-Controlled Motor Vehicle
    • Liter: 5.7
    • Aspiration: N
    • SubModel: BASE
    • Engine Vin: K
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1995 CHEVROLET K2500 SUBURBAN

    • Fitment_Note: Requires Thrust Button And Wear Plate~Not Legal For Sale Or Use On Pollution-Controlled Motor Vehicle
    • Liter: 5.7
    • SubModel: LT
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1988-1995 CHEVROLET C2500 PICKUP

    • CC: 5031
    • Fitment_Note: Requires Thrust Button And Wear Plate~Not Legal For Sale Or Use On Pollution-Controlled Motor Vehicle
    • Liter: 5.0
    • SubModel: CHEYENNE
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1990 GMC V2500 SUBURBAN

    • Fitment_Note: Requires Thrust Button And Wear Plate~Not Legal For Sale Or Use On Pollution-Controlled Motor Vehicle
    • Liter: 5.7
    • SubModel: SLE
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1993-1995 GMC C2500 SUBURBAN

    • Fitment_Note: Requires Thrust Button And Wear Plate~Not Legal For Sale Or Use On Pollution-Controlled Motor Vehicle
    • Liter: 5.7
    • SubModel: SLE
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1987-1991 GMC R2500 SUBURBAN

    • Fitment_Note: Requires Thrust Button And Wear Plate~Not Legal For Sale Or Use On Pollution-Controlled Motor Vehicle
    • Liter: 5.7
    • SubModel: BASE
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1994-1995 CHEVROLET K1500 PICKUP

    • CC: 5031
    • Fitment_Note: Requires Thrust Button And Wear Plate~Not Legal For Sale Or Use On Pollution-Controlled Motor Vehicle
    • Liter: 5.0
    • SubModel: BASE
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1991 CHEVROLET K1500 PICKUP

    • CC: 5031
    • Fitment_Note: Requires Thrust Button And Wear Plate~Not Legal For Sale Or Use On Pollution-Controlled Motor Vehicle
    • Liter: 5.0
    • SubModel: SPORT
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    What valve springs should l update to for this cam

    Asked by: Rocket924
    These are the recommended valve springs for this camshaft. - http://www.jegs.com/i/COMP-Cams/249/977-16/10002/-1
    Answered by: Rusty B
    Date published: 2018-04-05

    What is the base Circle on this cam

    Asked by: Wayne T
    The base circle on this is 1.10.
    Answered by: Jon Jegs Tech
    Date published: 2017-12-19
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    Items You Need

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    Motor Vehicles

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