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View All Edelbrock Performer RPM Camshaft Kits
Edelbrock

Edelbrock Performer RPM Camshaft Kit for Pontiac 350-455

Edelbrock 7157

350-7157

made in usa
jegs shipping
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Edelbrock Performer RPM Camshaft Kit for Pontiac 350-455 $257.95
Performer RPM Camshaft Kit
  • Pontiac 350-455
  • Lift: .470''/.470''
  • Duration @ .050: 231°/240°
  • Advertised Duration: 308°/320°
  • 1500-6500 RPM Range

    • Edelbrock 7157 Details

    Pontiac

    Operating Range1500-6500 RPM
    Duration Advertised308° Intake/320° Exhaust
    Duration @ .050''231° Intake/240° Exhaust
    Lift @ Valve.470'' Intake/.470'' Exhaust
    Lift @ Cam.313'' Intake/.313'' Exhaust
    Lobe Separation Angle113.5°
    Intake Centerline112°
    Intake Timing @ .050" Open 3° BTDC
     Close 48° ABDC
    Exhaust Timing @ .050" Open 54° BBDC
     Close 6° ATDC
    Vacuum @ 1000RPM Idle11"

    INSTALLATION NOTES:
  • Do not use late model timing chain and gear sets that are designed for emission-controlled engines. They are machined in a retarded position and are not recommended for this camshaft installation. Use Performer-Link Timing Chain Gear Set 350-7812.
  • Do not use dual valve springs. Use recommended Edelbrock valve springs 350-5757.
  • Use stock ratio rocker arms only.
  • Adjustable pushrods or rocker arms required.

    • Specifications:

    Exhaust Valve Lift (in.)
    0.47
    Intake Valve Lift (in.)
    0.470
    RPM Range
    1000-7000
    Exh. Duration @ .050 in. (Deg)
    240
    Int. Duration Advertised (Deg)
    308
    Exh. Duration Advertised (Deg)
    320
    Lifter Type
    Hydraulic Flat Tappet
    Usage
    Street/Performance
    Engine Make/Size
    Pontiac 326-455
    Int. Duration @ .050 in. (Deg)
    231
    Gaskets Included
    No
    Advertised Duration
    308 int./320 exh.
    Advertised Exhaust Duration
    320
    Advertised Intake Duration
    308
    Assembly Lubricant Included
    Yes
    Basic Operating RPM Range
    1,500-6,500
    Cam Style
    Hydraulic flat tappet
    Computer-Controlled Compatible
    No
    Duration at 050 inch Lift
    231 int./240 exh.
    Exhaust Duration at 050 inch Lift
    240
    Exhaust Valve Lift with Factory Rocker Arm Ratio (
    0.47
    Intake Duration at 050 inch Lift
    231
    Intake Valve Lift with Factory Rocker Arm Ratio (i
    0.47
    Lifter Style
    Hydraulic flat tappet
    Lifters Included
    Yes
    Locks Included
    No
    Pushrods Included
    No
    Quantity
    Sold as a kit
    Retainers Included
    No
    Rocker Arms Included
    No
    Timing Chain and Gears Included
    No
    Valve Lift with Factory Rocker Arm Ratio
    0.470 int./0.470 exh.
    Valve Springs Included
    No
    Valve Springs Required
    Yes
    Valve Stem Seals Included
    No
    Lobe Separation (Deg)
    113
    Manufacturer's Part Number:
    7157

    For high-performance street applications, Performer RPM Camshafts provide power from 1500 to 6500 RPM. These flat-tappet hydraulic lifter cams are dyno matched to Edelbrock's Performer RPM Manifolds for high-RPM horsepower while maintaining acceptable low-end torque. With 10-12 inches of manifold vacuum at idle, these cams have more lift and duration than most street cams.

    *Lifters included

    Does Edelbrock 7157 fit your vehicle?

    Narrow Results

    1974 PONTIAC CATALINA

    • CC: 6555
    • Fitment_Note: Adjustable Pushrods Or Rocker Arms Required~Not Legal For Use On Pollution Controlled Vehicles~For Pre-Pollution Controlled Vehicles Or Engine Swaps~Produces 422hp and 441 ft.-lbs. when Matched w/7156 Intake and 60599 Heads~Idle Vacuum at 1000 RPM - 10 inch
    • Liter: 6.6
    • SubModel: SAFARI
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1973 PONTIAC GRAND AM

    • CC: 5737
    • Liter: 5.7
    • SubModel: BASE
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1976-1977 PONTIAC LEMANS

    • Fitment_Note: Adjustable Pushrods Or Rocker Arms Required~Not Legal For Use On Pollution Controlled Vehicles~For Pre-Pollution Controlled Vehicles Or Engine Swaps~Produces 422hp and 441 ft.-lbs. when Matched w/7156 Intake and 60599 Heads~Idle Vacuum at 1000 RPM - 10 inch
    • Liter: 6.6
    • SubModel: SPORT
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1972 PONTIAC GRANDVILLE

    • CC: 7457
    • Fitment_Note: Adjustable Pushrods Or Rocker Arms Required~Not Legal For Use On Pollution Controlled Vehicles~For Pre-Pollution Controlled Vehicles Or Engine Swaps~Produces 422hp and 441 ft.-lbs. when Matched w/7156 Intake and 60599 Heads~Idle Vacuum at 1000 RPM - 10 inch
    • Liter: 7.5
    • SubModel: BASE
    • CUI: 455
    • EngineType: V8 ( 7.5 L / 455 )

    1972 PONTIAC CATALINA

    • CC: 5737
    • Liter: 5.7
    • SubModel: BROUGHAM
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1975 OLDSMOBILE 98

    • Fitment_Note: Adjustable Pushrods Or Rocker Arms Required~Not Legal For Use On Pollution Controlled Vehicles~For Pre-Pollution Controlled Vehicles Or Engine Swaps~Produces 422hp and 441 ft.-lbs. when Matched w/7156 Intake and 60599 Heads~Idle Vacuum at 1000 RPM - 10 inch
    • Liter: 6.6
    • SubModel: REGENCY
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1978 PONTIAC BONNEVILLE

    • Fitment_Note: Adjustable Pushrods Or Rocker Arms Required~Not Legal For Use On Pollution Controlled Vehicles~For Pre-Pollution Controlled Vehicles Or Engine Swaps~Produces 422hp and 441 ft.-lbs. when Matched w/7156 Intake and 60599 Heads~Idle Vacuum at 1000 RPM - 10 inch
    • Liter: 6.6
    • SubModel: SAFARI
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1976 PONTIAC GRAND LEMANS

    • Liter: 5.7
    • SubModel: BASE
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1972-1973 PONTIAC LEMANS

    • CC: 7457
    • Fitment_Note: Adjustable Pushrods Or Rocker Arms Required~Not Legal For Use On Pollution Controlled Vehicles~For Pre-Pollution Controlled Vehicles Or Engine Swaps~Produces 422hp and 441 ft.-lbs. when Matched w/7156 Intake and 60599 Heads~Idle Vacuum at 1000 RPM - 10 inch
    • Liter: 7.5
    • SubModel: BASE
    • CUI: 455
    • EngineType: V8 ( 7.5 L / 455 )

    1976 PONTIAC FIREBIRD

    • Fitment_Note: Adjustable Pushrods Or Rocker Arms Required~Not Legal For Use On Pollution Controlled Vehicles~For Pre-Pollution Controlled Vehicles Or Engine Swaps~Produces 422hp and 441 ft.-lbs. when Matched w/7156 Intake and 60599 Heads~Idle Vacuum at 1000 RPM - 10 inch
    • Liter: 6.6
    • SubModel: ESPRIT
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1972 PONTIAC GRAND SAFARI

    • CC: 6555
    • Fitment_Note: Adjustable Pushrods Or Rocker Arms Required~Not Legal For Use On Pollution Controlled Vehicles~For Pre-Pollution Controlled Vehicles Or Engine Swaps~Produces 422hp and 441 ft.-lbs. when Matched w/7156 Intake and 60599 Heads~Idle Vacuum at 1000 RPM - 10 inch
    • Liter: 6.6
    • SubModel: BASE
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1958-1969 PONTIAC BONNEVILLE

    • Fitment_Note: Adjustable Pushrods Or Rocker Arms Required~Not Legal For Use On Pollution Controlled Vehicles~For Pre-Pollution Controlled Vehicles Or Engine Swaps~Produces 422hp and 441 ft.-lbs. when Matched w/7156 Intake and 60599 Heads~Idle Vacuum at 1000 RPM - 10 inch
    • EngineType: ALL
    • SubModel: ALL

    1976 PONTIAC GRAND LEMANS

    • EngineType: ALL
    • SubModel: LE

    1984 GMC G35/G3500 VAN

    • Liter: 5.7
    • Aspiration: N
    • SubModel: MAGNAVAN
    • Engine Vin: M
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1975 PONTIAC LEMANS

    • Fitment_Note: Adjustable Pushrods Or Rocker Arms Required~Not Legal For Use On Pollution Controlled Vehicles~For Pre-Pollution Controlled Vehicles Or Engine Swaps~Produces 422hp and 441 ft.-lbs. when Matched w/7156 Intake and 60599 Heads~Idle Vacuum at 1000 RPM - 10 inch
    • Liter: 6.6
    • SubModel: SAFARI
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1972 PONTIAC LEMANS

    • CC: 5737
    • Liter: 5.7
    • SubModel: BASE
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1976 PONTIAC CATALINA

    • Fitment_Note: Adjustable Pushrods Or Rocker Arms Required~Not Legal For Use On Pollution Controlled Vehicles~For Pre-Pollution Controlled Vehicles Or Engine Swaps~Produces 422hp and 441 ft.-lbs. when Matched w/7156 Intake and 60599 Heads~Idle Vacuum at 1000 RPM - 10 inch
    • EngineType: ALL
    • SubModel: ALL

    1973-1974 PONTIAC VENTURA

    • CC: 5737
    • Fitment_Note: Adjustable Pushrods Or Rocker Arms Required~Not Legal For Use On Pollution Controlled Vehicles~For Pre-Pollution Controlled Vehicles Or Engine Swaps~Produces 422hp and 441 ft.-lbs. when Matched w/7156 Intake and 60599 Heads~Idle Vacuum at 1000 RPM - 10 inch
    • Liter: 5.7
    • Aspiration: N
    • SubModel: CUSTOM
    • Engine Vin: M
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1974 PONTIAC LEMANS

    • CC: 7456
    • Fitment_Note: Adjustable Pushrods Or Rocker Arms Required~Not Legal For Use On Pollution Controlled Vehicles~For Pre-Pollution Controlled Vehicles Or Engine Swaps~Produces 422hp and 441 ft.-lbs. when Matched w/7156 Intake and 60599 Heads~Idle Vacuum at 1000 RPM - 10 inch
    • Liter: 7.5
    • SubModel: SPORT
    • CUI: 455
    • EngineType: V8 ( 7.5 L / 455 )

    1975 OLDSMOBILE DELTA 88

    • Fitment_Note: Adjustable Pushrods Or Rocker Arms Required~Not Legal For Use On Pollution Controlled Vehicles~For Pre-Pollution Controlled Vehicles Or Engine Swaps~Produces 422hp and 441 ft.-lbs. when Matched w/7156 Intake and 60599 Heads~Idle Vacuum at 1000 RPM - 10 inch
    • Liter: 6.6
    • SubModel: BASE
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1972-1973 PONTIAC CATALINA

    • CC: 5737
    • Fitment_Note: Adjustable Pushrods Or Rocker Arms Required~Not Legal For Use On Pollution Controlled Vehicles~For Pre-Pollution Controlled Vehicles Or Engine Swaps~Produces 422hp and 441 ft.-lbs. when Matched w/7156 Intake and 60599 Heads~Idle Vacuum at 1000 RPM - 10 inch
    • Liter: 5.7
    • Aspiration: N
    • SubModel: BASE
    • Engine Vin: M
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1977-1978 PONTIAC BONNEVILLE

    • Fitment_Note: Adjustable Pushrods Or Rocker Arms Required~Not Legal For Use On Pollution Controlled Vehicles~For Pre-Pollution Controlled Vehicles Or Engine Swaps~Produces 422hp and 441 ft.-lbs. when Matched w/7156 Intake and 60599 Heads~Idle Vacuum at 1000 RPM - 10 inch
    • Liter: 6.6
    • SubModel: BROUGHAM
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1974 PONTIAC LEMANS

    • Fitment_Note: Adjustable Pushrods Or Rocker Arms Required~Not Legal For Use On Pollution Controlled Vehicles~For Pre-Pollution Controlled Vehicles Or Engine Swaps~Produces 422hp and 441 ft.-lbs. when Matched w/7156 Intake and 60599 Heads~Idle Vacuum at 1000 RPM - 10 inch
    • EngineType: ALL
    • SubModel: SAFARI LUXURY

    1973-1974 PONTIAC VENTURA

    • CC: 5737
    • Liter: 5.7
    • SubModel: CUSTOM
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1974 PONTIAC GRAND AM

    • CC: 7457
    • Fitment_Note: Adjustable Pushrods Or Rocker Arms Required~Not Legal For Use On Pollution Controlled Vehicles~For Pre-Pollution Controlled Vehicles Or Engine Swaps~Produces 422hp and 441 ft.-lbs. when Matched w/7156 Intake and 60599 Heads~Idle Vacuum at 1000 RPM - 10 inch
    • Liter: 7.5
    • SubModel: BASE
    • CUI: 455
    • EngineType: V8 ( 7.5 L / 455 )

    1972 PONTIAC FIREBIRD

    • CC: 6555
    • Liter: 6.6
    • Aspiration: N
    • SubModel: ESPRIT
    • Engine Vin: R
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1972-1974 PONTIAC FIREBIRD

    • CC: 5737
    • Fitment_Note: Adjustable Pushrods Or Rocker Arms Required~Not Legal For Use On Pollution Controlled Vehicles~For Pre-Pollution Controlled Vehicles Or Engine Swaps~Produces 422hp and 441 ft.-lbs. when Matched w/7156 Intake and 60599 Heads~Idle Vacuum at 1000 RPM - 10 inch
    • Liter: 5.7
    • Aspiration: N
    • SubModel: BASE
    • Engine Vin: M
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1970-1971 PONTIAC LEMANS

    • CC: 6555
    • Fitment_Note: Adjustable Pushrods Or Rocker Arms Required~Not Legal For Use On Pollution Controlled Vehicles~For Pre-Pollution Controlled Vehicles Or Engine Swaps~Produces 422hp and 441 ft.-lbs. when Matched w/7156 Intake and 60599 Heads~Idle Vacuum at 1000 RPM - 10 inch
    • Liter: 6.6
    • SubModel: SPORT
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1977 PONTIAC GRAND PRIX

    • Fitment_Note: Adjustable Pushrods Or Rocker Arms Required~Not Legal For Use On Pollution Controlled Vehicles~For Pre-Pollution Controlled Vehicles Or Engine Swaps~Produces 422hp and 441 ft.-lbs. when Matched w/7156 Intake and 60599 Heads~Idle Vacuum at 1000 RPM - 10 inch
    • Liter: 6.6
    • SubModel: SJ
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1975 OLDSMOBILE CUSTOM CRUISER

    • Fitment_Note: Adjustable Pushrods Or Rocker Arms Required~Not Legal For Use On Pollution Controlled Vehicles~For Pre-Pollution Controlled Vehicles Or Engine Swaps~Produces 422hp and 441 ft.-lbs. when Matched w/7156 Intake and 60599 Heads~Idle Vacuum at 1000 RPM - 10 inch
    • Liter: 6.6
    • SubModel: BASE
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1975 OLDSMOBILE DELTA 88

    • Liter: 6.6
    • SubModel: ROYALE
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1967-1971 PONTIAC PARISIENNE

    • CC: 6555
    • Fitment_Note: Adjustable Pushrods Or Rocker Arms Required~Not Legal For Use On Pollution Controlled Vehicles~For Pre-Pollution Controlled Vehicles Or Engine Swaps~Produces 422hp and 441 ft.-lbs. when Matched w/7156 Intake and 60599 Heads~Idle Vacuum at 1000 RPM - 10 inch
    • Liter: 6.6
    • SubModel: BASE
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1972 PONTIAC FIREBIRD

    • CC: 6555
    • Fitment_Note: Adjustable Pushrods Or Rocker Arms Required~Not Legal For Use On Pollution Controlled Vehicles~For Pre-Pollution Controlled Vehicles Or Engine Swaps~Produces 422hp and 441 ft.-lbs. when Matched w/7156 Intake and 60599 Heads~Idle Vacuum at 1000 RPM - 10 inch
    • Liter: 6.6
    • Aspiration: N
    • SubModel: ESPRIT
    • Engine Vin: S
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1970-1971 PONTIAC FIREBIRD

    • CC: 6555
    • Fitment_Note: Adjustable Pushrods Or Rocker Arms Required~Not Legal For Use On Pollution Controlled Vehicles~For Pre-Pollution Controlled Vehicles Or Engine Swaps~Produces 422hp and 441 ft.-lbs. when Matched w/7156 Intake and 60599 Heads~Idle Vacuum at 1000 RPM - 10 inch
    • Liter: 6.6
    • SubModel: TRANS AM
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1970 PONTIAC STRATO-CHIEF

    • CC: 6588
    • Fitment_Note: Adjustable Pushrods Or Rocker Arms Required~Not Legal For Use On Pollution Controlled Vehicles~For Pre-Pollution Controlled Vehicles Or Engine Swaps~Produces 422hp and 441 ft.-lbs. when Matched w/7156 Intake and 60599 Heads~Idle Vacuum at 1000 RPM - 10 inch
    • Liter: 6.6
    • SubModel: BASE
    • CUI: 402
    • EngineType: V8 ( 6.6 L / 402 )

    1972 PONTIAC FIREBIRD

    • CC: 6555
    • Fitment_Note: Adjustable Pushrods Or Rocker Arms Required~Not Legal For Use On Pollution Controlled Vehicles~For Pre-Pollution Controlled Vehicles Or Engine Swaps~Produces 422hp and 441 ft.-lbs. when Matched w/7156 Intake and 60599 Heads~Idle Vacuum at 1000 RPM - 10 inch
    • Liter: 6.6
    • Aspiration: N
    • SubModel: ESPRIT
    • Engine Vin: T
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1973-1974 PONTIAC LEMANS

    • CC: 5737
    • Liter: 5.7
    • SubModel: SAFARI
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1971 PONTIAC FIREBIRD

    • CC: 6555
    • Fitment_Note: Adjustable Pushrods Or Rocker Arms Required~Not Legal For Use On Pollution Controlled Vehicles~For Pre-Pollution Controlled Vehicles Or Engine Swaps~Produces 422hp and 441 ft.-lbs. when Matched w/7156 Intake and 60599 Heads~Idle Vacuum at 1000 RPM - 10 inch
    • Liter: 6.6
    • SubModel: BASE
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1970-1971 PONTIAC FIREBIRD

    • CC: 6555
    • Fitment_Note: Adjustable Pushrods Or Rocker Arms Required~Not Legal For Use On Pollution Controlled Vehicles~For Pre-Pollution Controlled Vehicles Or Engine Swaps~Produces 422hp and 441 ft.-lbs. when Matched w/7156 Intake and 60599 Heads~Idle Vacuum at 1000 RPM - 10 inch
    • Liter: 6.6
    • SubModel: FORMULA
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1967-1970 PONTIAC FIREBIRD

    • CC: 6555
    • Fitment_Note: Adjustable Pushrods Or Rocker Arms Required~Not Legal For Use On Pollution Controlled Vehicles~For Pre-Pollution Controlled Vehicles Or Engine Swaps~Produces 422hp and 441 ft.-lbs. when Matched w/7156 Intake and 60599 Heads~Idle Vacuum at 1000 RPM - 10 inch
    • Liter: 6.6
    • SubModel: BASE
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1963-1969 PONTIAC CATALINA

    • Fitment_Note: Adjustable Pushrods Or Rocker Arms Required~Not Legal For Use On Pollution Controlled Vehicles~For Pre-Pollution Controlled Vehicles Or Engine Swaps~Produces 422hp and 441 ft.-lbs. when Matched w/7156 Intake and 60599 Heads~Idle Vacuum at 1000 RPM - 10 inch
    • EngineType: ALL
    • SubModel: ALL

    1972-1974 PONTIAC GRAND SAFARI

    • CC: 7457
    • Fitment_Note: Adjustable Pushrods Or Rocker Arms Required~Not Legal For Use On Pollution Controlled Vehicles~For Pre-Pollution Controlled Vehicles Or Engine Swaps~Produces 422hp and 441 ft.-lbs. when Matched w/7156 Intake and 60599 Heads~Idle Vacuum at 1000 RPM - 10 inch
    • Liter: 7.5
    • SubModel: BASE
    • CUI: 455
    • EngineType: V8 ( 7.5 L / 455 )

    1971 PONTIAC LEMANS

    • CC: 7456
    • Fitment_Note: Adjustable Pushrods Or Rocker Arms Required~Not Legal For Use On Pollution Controlled Vehicles~For Pre-Pollution Controlled Vehicles Or Engine Swaps~Produces 422hp and 441 ft.-lbs. when Matched w/7156 Intake and 60599 Heads~Idle Vacuum at 1000 RPM - 10 inch
    • Liter: 7.5
    • SubModel: T37
    • CUI: 455
    • EngineType: V8 ( 7.5 L / 455 )

    1976 PONTIAC FIREBIRD

    • Fitment_Note: Adjustable Pushrods Or Rocker Arms Required~Not Legal For Use On Pollution Controlled Vehicles~For Pre-Pollution Controlled Vehicles Or Engine Swaps~Produces 422hp and 441 ft.-lbs. when Matched w/7156 Intake and 60599 Heads~Idle Vacuum at 1000 RPM - 10 inch
    • Liter: 5.7
    • SubModel: FORMULA
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1976 PONTIAC LEMANS

    • Liter: 5.7
    • SubModel: BASE
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1975 PONTIAC GRAND PRIX

    • Fitment_Note: Adjustable Pushrods Or Rocker Arms Required~Not Legal For Use On Pollution Controlled Vehicles~For Pre-Pollution Controlled Vehicles Or Engine Swaps~Produces 422hp and 441 ft.-lbs. when Matched w/7156 Intake and 60599 Heads~Idle Vacuum at 1000 RPM - 10 inch
    • Liter: 6.6
    • SubModel: LJ
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1962 PONTIAC CATALINA

    • Fitment_Note: Adjustable Pushrods Or Rocker Arms Required~Not Legal For Use On Pollution Controlled Vehicles~For Pre-Pollution Controlled Vehicles Or Engine Swaps~Produces 422hp and 441 ft.-lbs. when Matched w/7156 Intake and 60599 Heads~Idle Vacuum at 1000 RPM - 10 inch
    • EngineType: ALL
    • SubModel: VENTURA

    1975 PONTIAC GRAND LEMANS

    • Liter: 5.7
    • Aspiration: N
    • SubModel: BASE
    • Engine Vin: H
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1970-1971 PONTIAC LEMANS

    • CC: 7456
    • Fitment_Note: Adjustable Pushrods Or Rocker Arms Required~Not Legal For Use On Pollution Controlled Vehicles~For Pre-Pollution Controlled Vehicles Or Engine Swaps~Produces 422hp and 441 ft.-lbs. when Matched w/7156 Intake and 60599 Heads~Idle Vacuum at 1000 RPM - 10 inch
    • Liter: 7.5
    • SubModel: BASE
    • CUI: 455
    • EngineType: V8 ( 7.5 L / 455 )

    1975 PONTIAC GRAND LEMANS

    • Liter: 6.6
    • SubModel: SAFARI
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1975 PONTIAC LEMANS

    • Liter: 6.6
    • SubModel: SAFARI
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1976 PONTIAC GRAND PRIX

    • Fitment_Note: Adjustable Pushrods Or Rocker Arms Required~Not Legal For Use On Pollution Controlled Vehicles~For Pre-Pollution Controlled Vehicles Or Engine Swaps~Produces 422hp and 441 ft.-lbs. when Matched w/7156 Intake and 60599 Heads~Idle Vacuum at 1000 RPM - 10 inch
    • Liter: 5.7
    • SubModel: BASE
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1974 PONTIAC GRANDVILLE

    • CC: 6555
    • Fitment_Note: Adjustable Pushrods Or Rocker Arms Required~Not Legal For Use On Pollution Controlled Vehicles~For Pre-Pollution Controlled Vehicles Or Engine Swaps~Produces 422hp and 441 ft.-lbs. when Matched w/7156 Intake and 60599 Heads~Idle Vacuum at 1000 RPM - 10 inch
    • Liter: 6.6
    • SubModel: BASE
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1975-1976 PONTIAC GRAND LEMANS

    • Fitment_Note: Adjustable Pushrods Or Rocker Arms Required~Not Legal For Use On Pollution Controlled Vehicles~For Pre-Pollution Controlled Vehicles Or Engine Swaps~Produces 422hp and 441 ft.-lbs. when Matched w/7156 Intake and 60599 Heads~Idle Vacuum at 1000 RPM - 10 inch
    • Liter: 7.5
    • SubModel: BASE
    • CUI: 455
    • EngineType: V8 ( 7.5 L / 455 )

    1984 GMC G35/G3500 VAN

    • Fitment_Note: Adjustable Pushrods Or Rocker Arms Required~Not Legal For Use On Pollution Controlled Vehicles~For Pre-Pollution Controlled Vehicles Or Engine Swaps~Produces 422hp and 441 ft.-lbs. when Matched w/7156 Intake and 60599 Heads~Idle Vacuum at 1000 RPM - 10 inch
    • Liter: 5.7
    • Aspiration: N
    • SubModel: MAGNAVAN
    • Engine Vin: E
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1972-1974 PONTIAC CATALINA

    • CC: 7457
    • Fitment_Note: Adjustable Pushrods Or Rocker Arms Required~Not Legal For Use On Pollution Controlled Vehicles~For Pre-Pollution Controlled Vehicles Or Engine Swaps~Produces 422hp and 441 ft.-lbs. when Matched w/7156 Intake and 60599 Heads~Idle Vacuum at 1000 RPM - 10 inch
    • Liter: 7.5
    • SubModel: BASE
    • CUI: 455
    • EngineType: V8 ( 7.5 L / 455 )

    1968-1969 PONTIAC TEMPEST

    • CC: 6555
    • Fitment_Note: Adjustable Pushrods Or Rocker Arms Required~Not Legal For Use On Pollution Controlled Vehicles~For Pre-Pollution Controlled Vehicles Or Engine Swaps~Produces 422hp and 441 ft.-lbs. when Matched w/7156 Intake and 60599 Heads~Idle Vacuum at 1000 RPM - 10 inch
    • Liter: 6.6
    • SubModel: CUSTOM
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1972-1973 PONTIAC CATALINA

    • CC: 6556
    • Fitment_Note: Adjustable Pushrods Or Rocker Arms Required~Not Legal For Use On Pollution Controlled Vehicles~For Pre-Pollution Controlled Vehicles Or Engine Swaps~Produces 422hp and 441 ft.-lbs. when Matched w/7156 Intake and 60599 Heads~Idle Vacuum at 1000 RPM - 10 inch
    • Liter: 6.6
    • SubModel: SAFARI
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1975 OLDSMOBILE 98

    • Fitment_Note: Adjustable Pushrods Or Rocker Arms Required~Not Legal For Use On Pollution Controlled Vehicles~For Pre-Pollution Controlled Vehicles Or Engine Swaps~Produces 422hp and 441 ft.-lbs. when Matched w/7156 Intake and 60599 Heads~Idle Vacuum at 1000 RPM - 10 inch
    • Liter: 6.6
    • SubModel: LUXURY
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1973 PONTIAC GRAND AM

    • CC: 5737
    • Fitment_Note: Adjustable Pushrods Or Rocker Arms Required~Not Legal For Use On Pollution Controlled Vehicles~For Pre-Pollution Controlled Vehicles Or Engine Swaps~Produces 422hp and 441 ft.-lbs. when Matched w/7156 Intake and 60599 Heads~Idle Vacuum at 1000 RPM - 10 inch
    • Liter: 5.7
    • Aspiration: N
    • SubModel: BASE
    • Engine Vin: M
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1976 PONTIAC LEMANS

    • Liter: 5.7
    • SubModel: SPORT COUPE
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1975 PONTIAC LEMANS

    • Fitment_Note: Adjustable Pushrods Or Rocker Arms Required~Not Legal For Use On Pollution Controlled Vehicles~For Pre-Pollution Controlled Vehicles Or Engine Swaps~Produces 422hp and 441 ft.-lbs. when Matched w/7156 Intake and 60599 Heads~Idle Vacuum at 1000 RPM - 10 inch
    • Liter: 5.7
    • Aspiration: N
    • SubModel: SPORT
    • Engine Vin: M
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1970 PONTIAC BONNEVILLE

    • CC: 7456
    • Fitment_Note: Adjustable Pushrods Or Rocker Arms Required~Not Legal For Use On Pollution Controlled Vehicles~For Pre-Pollution Controlled Vehicles Or Engine Swaps~Produces 422hp and 441 ft.-lbs. when Matched w/7156 Intake and 60599 Heads~Idle Vacuum at 1000 RPM - 10 inch
    • Liter: 7.5
    • SubModel: SAFARI
    • CUI: 455
    • EngineType: V8 ( 7.5 L / 455 )

    1977-1979 PONTIAC FIREBIRD

    • Liter: 6.6
    • SubModel: FORMULA
    • CUI: 403
    • EngineType: V8 ( 6.6 L / 403 )

    1973-1974 PONTIAC LEMANS

    • CC: 6555
    • Fitment_Note: Adjustable Pushrods Or Rocker Arms Required~Not Legal For Use On Pollution Controlled Vehicles~For Pre-Pollution Controlled Vehicles Or Engine Swaps~Produces 422hp and 441 ft.-lbs. when Matched w/7156 Intake and 60599 Heads~Idle Vacuum at 1000 RPM - 10 inch
    • Liter: 6.6
    • SubModel: SPORT
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1975 PONTIAC GRAND PRIX

    • Liter: 6.6
    • SubModel: SJ
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1966-1969 PONTIAC STRATO-CHIEF

    • CC: 6998
    • Fitment_Note: Adjustable Pushrods Or Rocker Arms Required~Not Legal For Use On Pollution Controlled Vehicles~For Pre-Pollution Controlled Vehicles Or Engine Swaps~Produces 422hp and 441 ft.-lbs. when Matched w/7156 Intake and 60599 Heads~Idle Vacuum at 1000 RPM - 10 inch
    • Liter: 7.0
    • SubModel: BASE
    • CUI: 427
    • EngineType: V8 ( 7.0 L / 427 )

    1967-1968 PONTIAC PARISIENNE

    • CC: 6555
    • Fitment_Note: Adjustable Pushrods Or Rocker Arms Required~Not Legal For Use On Pollution Controlled Vehicles~For Pre-Pollution Controlled Vehicles Or Engine Swaps~Produces 422hp and 441 ft.-lbs. when Matched w/7156 Intake and 60599 Heads~Idle Vacuum at 1000 RPM - 10 inch
    • Liter: 6.6
    • SubModel: BASE
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1976 PONTIAC GRAND PRIX

    • Liter: 5.7
    • SubModel: BASE
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1975 PONTIAC VENTURA

    • Fitment_Note: Adjustable Pushrods Or Rocker Arms Required~Not Legal For Use On Pollution Controlled Vehicles~For Pre-Pollution Controlled Vehicles Or Engine Swaps~Produces 422hp and 441 ft.-lbs. when Matched w/7156 Intake and 60599 Heads~Idle Vacuum at 1000 RPM - 10 inch
    • Liter: 5.7
    • Aspiration: N
    • SubModel: BASE
    • Engine Vin: E
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1974 PONTIAC FIREBIRD

    • CC: 6555
    • Fitment_Note: Adjustable Pushrods Or Rocker Arms Required~Not Legal For Use On Pollution Controlled Vehicles~For Pre-Pollution Controlled Vehicles Or Engine Swaps~Produces 422hp and 441 ft.-lbs. when Matched w/7156 Intake and 60599 Heads~Idle Vacuum at 1000 RPM - 10 inch
    • Liter: 6.6
    • SubModel: BASE
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1970 PONTIAC LAURENTIAN

    • CC: 6588
    • Fitment_Note: Adjustable Pushrods Or Rocker Arms Required~Not Legal For Use On Pollution Controlled Vehicles~For Pre-Pollution Controlled Vehicles Or Engine Swaps~Produces 422hp and 441 ft.-lbs. when Matched w/7156 Intake and 60599 Heads~Idle Vacuum at 1000 RPM - 10 inch
    • Liter: 6.6
    • SubModel: BASE
    • CUI: 402
    • EngineType: V8 ( 6.6 L / 402 )

    1975 PONTIAC LEMANS

    • Liter: 5.7
    • Aspiration: N
    • SubModel: SPORT
    • Engine Vin: J
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1975 PONTIAC GRANDVILLE

    • Fitment_Note: Adjustable Pushrods Or Rocker Arms Required~Not Legal For Use On Pollution Controlled Vehicles~For Pre-Pollution Controlled Vehicles Or Engine Swaps~Produces 422hp and 441 ft.-lbs. when Matched w/7156 Intake and 60599 Heads~Idle Vacuum at 1000 RPM - 10 inch
    • Liter: 6.6
    • SubModel: BROUGHAM
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1958-1960 PONTIAC CATALINA

    • Fitment_Note: Adjustable Pushrods Or Rocker Arms Required~Not Legal For Use On Pollution Controlled Vehicles~For Pre-Pollution Controlled Vehicles Or Engine Swaps~Produces 422hp and 441 ft.-lbs. when Matched w/7156 Intake and 60599 Heads~Idle Vacuum at 1000 RPM - 10 inch
    • EngineType: ALL
    • SubModel: ALL

    1961 PONTIAC TEMPEST

    • CC: 6376
    • Fitment_Note: Adjustable Pushrods Or Rocker Arms Required~Not Legal For Use On Pollution Controlled Vehicles~For Pre-Pollution Controlled Vehicles Or Engine Swaps~Produces 422hp and 441 ft.-lbs. when Matched w/7156 Intake and 60599 Heads~Idle Vacuum at 1000 RPM - 10 inch
    • Liter: 6.4
    • SubModel: SAFARI
    • CUI: 389
    • EngineType: V8 ( 6.4 L / 389 )

    1975 PONTIAC LEMANS

    • Liter: 5.7
    • Aspiration: N
    • SubModel: BASE
    • Engine Vin: H
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1972 PONTIAC LEMANS

    • CC: 6556
    • Fitment_Note: Adjustable Pushrods Or Rocker Arms Required~Not Legal For Use On Pollution Controlled Vehicles~For Pre-Pollution Controlled Vehicles Or Engine Swaps~Produces 422hp and 441 ft.-lbs. when Matched w/7156 Intake and 60599 Heads~Idle Vacuum at 1000 RPM - 10 inch
    • Liter: 6.6
    • SubModel: BASE
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1972 PONTIAC FIREBIRD

    • CC: 6555
    • Liter: 6.6
    • Aspiration: N
    • SubModel: BASE
    • Engine Vin: R
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1973-1974 PONTIAC PARISIENNE

    • CC: 6555
    • Fitment_Note: Adjustable Pushrods Or Rocker Arms Required~Not Legal For Use On Pollution Controlled Vehicles~For Pre-Pollution Controlled Vehicles Or Engine Swaps~Produces 422hp and 441 ft.-lbs. when Matched w/7156 Intake and 60599 Heads~Idle Vacuum at 1000 RPM - 10 inch
    • Liter: 6.6
    • SubModel: BASE
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1970 PONTIAC CATALINA

    • CC: 7456
    • Fitment_Note: Adjustable Pushrods Or Rocker Arms Required~Not Legal For Use On Pollution Controlled Vehicles~For Pre-Pollution Controlled Vehicles Or Engine Swaps~Produces 422hp and 441 ft.-lbs. when Matched w/7156 Intake and 60599 Heads~Idle Vacuum at 1000 RPM - 10 inch
    • Liter: 7.5
    • SubModel: BASE
    • CUI: 455
    • EngineType: V8 ( 7.5 L / 455 )

    1975 PONTIAC GRAND AM

    • Fitment_Note: Adjustable Pushrods Or Rocker Arms Required~Not Legal For Use On Pollution Controlled Vehicles~For Pre-Pollution Controlled Vehicles Or Engine Swaps~Produces 422hp and 441 ft.-lbs. when Matched w/7156 Intake and 60599 Heads~Idle Vacuum at 1000 RPM - 10 inch
    • Liter: 7.5
    • SubModel: BASE
    • CUI: 455
    • EngineType: V8 ( 7.5 L / 455 )

    1975 PONTIAC LEMANS

    • Liter: 5.7
    • Aspiration: N
    • SubModel: SPORT
    • Engine Vin: H
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1977 PONTIAC GRAND PRIX

    • Fitment_Note: Adjustable Pushrods Or Rocker Arms Required~Not Legal For Use On Pollution Controlled Vehicles~For Pre-Pollution Controlled Vehicles Or Engine Swaps~Produces 422hp and 441 ft.-lbs. when Matched w/7156 Intake and 60599 Heads~Idle Vacuum at 1000 RPM - 10 inch
    • Liter: 6.6
    • SubModel: LJ
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1984 GMC G35/G3500 VAN

    • Liter: 5.7
    • SubModel: RALLY CUSTOM
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1975 PONTIAC CATALINA

    • Fitment_Note: Adjustable Pushrods Or Rocker Arms Required~Not Legal For Use On Pollution Controlled Vehicles~For Pre-Pollution Controlled Vehicles Or Engine Swaps~Produces 422hp and 441 ft.-lbs. when Matched w/7156 Intake and 60599 Heads~Idle Vacuum at 1000 RPM - 10 inch
    • Liter: 6.6
    • SubModel: BASE
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1975 PONTIAC FIREBIRD

    • Fitment_Note: Adjustable Pushrods Or Rocker Arms Required~Not Legal For Use On Pollution Controlled Vehicles~For Pre-Pollution Controlled Vehicles Or Engine Swaps~Produces 422hp and 441 ft.-lbs. when Matched w/7156 Intake and 60599 Heads~Idle Vacuum at 1000 RPM - 10 inch
    • Liter: 5.7
    • SubModel: ESPRIT
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1975 PONTIAC BONNEVILLE

    • Fitment_Note: Adjustable Pushrods Or Rocker Arms Required~Not Legal For Use On Pollution Controlled Vehicles~For Pre-Pollution Controlled Vehicles Or Engine Swaps~Produces 422hp and 441 ft.-lbs. when Matched w/7156 Intake and 60599 Heads~Idle Vacuum at 1000 RPM - 10 inch
    • Liter: 6.6
    • SubModel: BASE
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1976 PONTIAC FIREBIRD

    • Fitment_Note: Adjustable Pushrods Or Rocker Arms Required~Not Legal For Use On Pollution Controlled Vehicles~For Pre-Pollution Controlled Vehicles Or Engine Swaps~Produces 422hp and 441 ft.-lbs. when Matched w/7156 Intake and 60599 Heads~Idle Vacuum at 1000 RPM - 10 inch
    • Liter: 5.7
    • SubModel: ESPRIT
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1975 PONTIAC VENTURA

    • Fitment_Note: Adjustable Pushrods Or Rocker Arms Required~Not Legal For Use On Pollution Controlled Vehicles~For Pre-Pollution Controlled Vehicles Or Engine Swaps~Produces 422hp and 441 ft.-lbs. when Matched w/7156 Intake and 60599 Heads~Idle Vacuum at 1000 RPM - 10 inch
    • Liter: 5.7
    • SubModel: S
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1970-1974 PONTIAC PARISIENNE

    • CC: 6555
    • Fitment_Note: Adjustable Pushrods Or Rocker Arms Required~Not Legal For Use On Pollution Controlled Vehicles~For Pre-Pollution Controlled Vehicles Or Engine Swaps~Produces 422hp and 441 ft.-lbs. when Matched w/7156 Intake and 60599 Heads~Idle Vacuum at 1000 RPM - 10 inch
    • Liter: 6.6
    • SubModel: BASE
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1974 PONTIAC LEMANS

    • CC: 7456
    • Fitment_Note: Adjustable Pushrods Or Rocker Arms Required~Not Legal For Use On Pollution Controlled Vehicles~For Pre-Pollution Controlled Vehicles Or Engine Swaps~Produces 422hp and 441 ft.-lbs. when Matched w/7156 Intake and 60599 Heads~Idle Vacuum at 1000 RPM - 10 inch
    • Liter: 7.5
    • SubModel: SAFARI
    • CUI: 455
    • EngineType: V8 ( 7.5 L / 455 )

    1970-1971 PONTIAC CATALINA

    • CC: 6555
    • Fitment_Note: Adjustable Pushrods Or Rocker Arms Required~Not Legal For Use On Pollution Controlled Vehicles~For Pre-Pollution Controlled Vehicles Or Engine Swaps~Produces 422hp and 441 ft.-lbs. when Matched w/7156 Intake and 60599 Heads~Idle Vacuum at 1000 RPM - 10 inch
    • Liter: 6.6
    • SubModel: SAFARI
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1971-1972 PONTIAC PARISIENNE

    • CC: 7456
    • Fitment_Note: Adjustable Pushrods Or Rocker Arms Required~Not Legal For Use On Pollution Controlled Vehicles~For Pre-Pollution Controlled Vehicles Or Engine Swaps~Produces 422hp and 441 ft.-lbs. when Matched w/7156 Intake and 60599 Heads~Idle Vacuum at 1000 RPM - 10 inch
    • Liter: 7.5
    • SubModel: BASE
    • CUI: 455
    • EngineType: V8 ( 7.5 L / 455 )

    1971-1973 PONTIAC FIREBIRD

    • CC: 6555
    • Fitment_Note: Adjustable Pushrods Or Rocker Arms Required~Not Legal For Use On Pollution Controlled Vehicles~For Pre-Pollution Controlled Vehicles Or Engine Swaps~Produces 422hp and 441 ft.-lbs. when Matched w/7156 Intake and 60599 Heads~Idle Vacuum at 1000 RPM - 10 inch
    • Liter: 6.6
    • SubModel: BASE
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1974 PONTIAC LEMANS

    • CC: 5737
    • Liter: 5.7
    • SubModel: BASE
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1969 PONTIAC FIREBIRD

    • Fitment_Note: Adjustable Pushrods Or Rocker Arms Required~Not Legal For Use On Pollution Controlled Vehicles~For Pre-Pollution Controlled Vehicles Or Engine Swaps~Produces 422hp and 441 ft.-lbs. when Matched w/7156 Intake and 60599 Heads~Idle Vacuum at 1000 RPM - 10 inch
    • EngineType: ALL
    • SubModel: TRANS AM

    1975-1976 PONTIAC GRAND SAFARI

    • Fitment_Note: Adjustable Pushrods Or Rocker Arms Required~Not Legal For Use On Pollution Controlled Vehicles~For Pre-Pollution Controlled Vehicles Or Engine Swaps~Produces 422hp and 441 ft.-lbs. when Matched w/7156 Intake and 60599 Heads~Idle Vacuum at 1000 RPM - 10 inch
    • EngineType: ALL
    • SubModel: ALL

    1967-1968 PONTIAC LAURENTIAN

    • CC: 6555
    • Fitment_Note: Adjustable Pushrods Or Rocker Arms Required~Not Legal For Use On Pollution Controlled Vehicles~For Pre-Pollution Controlled Vehicles Or Engine Swaps~Produces 422hp and 441 ft.-lbs. when Matched w/7156 Intake and 60599 Heads~Idle Vacuum at 1000 RPM - 10 inch
    • Liter: 6.6
    • SubModel: BASE
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1966-1969 PONTIAC LAURENTIAN

    • CC: 6998
    • Fitment_Note: Adjustable Pushrods Or Rocker Arms Required~Not Legal For Use On Pollution Controlled Vehicles~For Pre-Pollution Controlled Vehicles Or Engine Swaps~Produces 422hp and 441 ft.-lbs. when Matched w/7156 Intake and 60599 Heads~Idle Vacuum at 1000 RPM - 10 inch
    • Liter: 7.0
    • SubModel: BASE
    • CUI: 427
    • EngineType: V8 ( 7.0 L / 427 )

    Would the rocker arms ratio have to be 1.52 or 1.65?

    Asked by: Larr
    This is made to work with the 1.65 ratio rockers.
    Answered by: Jon Jegs Tech
    Date published: 2018-03-08
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    Items You Need
    *Not legal for sale or use on pollution-controlled motor vehicles
    Some parts are not legal for use in California or other states with similar laws / regulations