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Proform 66918C - Proform Chevy High-Performance Gear Drives



Proform 66918C - Proform Chevy High-Performance Gear Drives

JEGS Part Number: 778-66918C

High-Performance Gear Drive
  • Big Block Chevy
  • $117.13
    Ships
    FREE Shipping

    Specifications:

    Engine Make/Size
    Chevy Big Block (396-454)
    Gaskets Included
    No
    Camshaft Gear Attachment
    3-bolt
    Gear Drive Idler Style
    Dual idler
    Gear Material
    Steel
    Maximum Advance/Retard at Camshaft
    8 degree
    Maximum Advance/Retard at Crankshaft
    16 degree
    Noisy
    Yes
    Offset Bushings Included
    Yes
    Quantity
    Sold as a kit
    Thrust Bearing Included
    Yes
    Manufacturer's Part Number:
    66918C

    These high-performance gear drives for Chevy offer precise timing while eliminating chain stretch. They have been machined for noise and are easy to install, fitting perfectly under stock timing covers. Each high-performance gear drive includes locking plate, offset cam bushings, roller cam bearing, and bronze thrust bearing.

    Does this fit your vehicle?

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    Aspiration

    1968-1969 CHEVROLET C20 PICKUP

    • Liter: 6.5
    • SubModel: BASE
    • CUI: 396
    • EngineType: V8

    1973-1982 CHEVROLET C30 PICKUP

    • Liter: 7.4
    • EngineType: V8
    • SubModel: BASE

    1987-1989 GMC V3500 PICKUP

    • Liter: 7.4
    • SubModel: BASE
    • CUI: 454
    • EngineType: V8

    1968 GMC C15/C1500 SUBURBAN

    • Liter: 6.5
    • SubModel: BASE
    • CUI: 396
    • EngineType: V8

    1968-1969 CHEVROLET CHEVELLE

    • Liter: 6.5
    • EngineType: V8
    • SubModel: MALIBU

    1972 CHEVROLET C20 PICKUP

    • Liter: 6.6
    • EngineType: V8
    • SubModel: BASE

    1971-1974 CHEVROLET BEL AIR

    • Liter: 7.4
    • SubModel: BASE
    • CUI: 454
    • EngineType: V8

    1969 GMC C25/C2500 PICKUP

    • Liter: 6.5
    • EngineType: V8
    • SubModel: BASE

    1968 GMC K35/K3500 PICKUP

    • Liter: 6.5
    • SubModel: BASE
    • CUI: 396
    • EngineType: V8

    1985 CHEVROLET C30 PICKUP

    • Liter: 7.4
    • EngineType: V8
    • SubModel: BASE

    1975-1978 GMC C25 SUBURBAN

    • Liter: 7.4
    • EngineType: V8
    • SubModel: BASE

    1968-1969 CHEVROLET C10 PICKUP

    • Liter: 6.5
    • SubModel: BASE
    • CUI: 396
    • EngineType: V8

    1975-1976 CHEVROLET CAPRICE

    • Liter: 7.4
    • EngineType: V8
    • SubModel: ESTATE

    1970-1971 GMC K35/K3500 PICKUP

    • Liter: 6.6
    • EngineType: V8
    • SubModel: BASE

    1972 CHEVROLET C30 PICKUP

    • Liter: 6.6
    • EngineType: V8
    • SubModel: BASE

    1968-1969 CHEVROLET C10 SUBURBAN

    • Liter: 6.5
    • SubModel: BASE
    • CUI: 396
    • EngineType: V8

    1969 CHEVROLET EL CAMINO

    • Liter: 6.5
    • SubModel: CUSTOM
    • CUI: 396
    • EngineType: V8

    1978-1980 CHEVROLET C10 PICKUP

    • Liter: 7.4
    • EngineType: V8
    • SubModel: BIG TEN

    1968-1969 CHEVROLET CHEVELLE

    • Liter: 6.5
    • EngineType: V8
    • SubModel: 300 DELUXE

    1963 CHEVROLET BISCAYNE

    • Liter: 7.0
    • EngineType: V8
    • SubModel: BASE

    1973-1974 CHEVROLET LAGUNA

    • Liter: 7.4
    • SubModel: BASE
    • CUI: 454
    • EngineType: V8

    1985 CHEVROLET C20 SUBURBAN

    • Liter: 7.4
    • EngineType: V8
    • SubModel: BASE

    1973-1974 CHEVROLET MALIBU

    • Liter: 7.4
    • SubModel: BASE
    • CUI: 454
    • EngineType: V8

    1968-1969 CHEVROLET EL CAMINO

    • Liter: 6.5
    • SubModel: BASE
    • CUI: 396
    • EngineType: V8

    1973-1974 CHEVROLET K20 PICKUP

    • Liter: 7.4
    • EngineType: V8
    • SubModel: BASE

    1989 CHEVROLET R3500 PICKUP

    • Liter: 7.4
    • SubModel: CHEYENNE
    • CUI: 454
    • EngineType: V8

    1969-1970 CHEVROLET CAMARO

    • Liter: 6.5
    • EngineType: V8
    • SubModel: BASE

    1970-1972 CHEVROLET CAPRICE

    • Liter: 7.4
    • SubModel: BASE
    • CUI: 454
    • EngineType: V8

    1974 GMC C25/C2500 SUBURBAN

    • Liter: 7.4
    • EngineType: V8
    • SubModel: BASE

    1973-1980 CHEVROLET C10 SUBURBAN

    • Liter: 7.4
    • EngineType: V8
    • SubModel: BASE

    1974 CHEVROLET MALIBU

    • Liter: 7.4
    • SubModel: CLASSIC
    • CUI: 454
    • EngineType: V8

    1970-1971 CHEVROLET C10 SUBURBAN

    • Liter: 6.6
    • SubModel: BASE
    • CUI: 402
    • EngineType: V8

    1970-1971 CHEVROLET C20 PICKUP

    • Liter: 6.6
    • SubModel: BASE
    • CUI: 402
    • EngineType: V8

    1987-1989 GMC R3500 PICKUP

    • Liter: 7.4
    • SubModel: BASE
    • CUI: 454
    • EngineType: V8

    1970-1971 CHEVROLET C20 SUBURBAN

    • Liter: 6.6
    • SubModel: BASE
    • CUI: 402
    • EngineType: V8

    1971-1975 CHEVROLET EL CAMINO

    • Liter: 7.4
    • EngineType: V8
    • SubModel: BASE

    1987 CHEVROLET V30 PICKUP

    • Liter: 7.4
    • SubModel: CUSTOM DELUXE
    • CUI: 454
    • EngineType: V8

    1970 CHEVROLET CHEVELLE

    • CC: 6588
    • Liter: 6.6
    • SubModel: MALIBU
    • EngineType: V8

    1972 CHEVROLET CHEVELLE

    • CC: 6588
    • Liter: 6.6
    • SubModel: GREENBRIER
    • EngineType: V8

    1976 GMC G35/G3500 VAN

    • Liter: 7.4
    • EngineType: V8
    • SubModel: BASE

    1986 CHEVROLET C30 PICKUP

    • Liter: 7.4
    • EngineType: V8
    • SubModel: CUSTOM

    1973-1980 CHEVROLET C10 PICKUP

    • Liter: 7.4
    • EngineType: V8
    • SubModel: BASE

    1973-1980 GMC C1500 PICKUP

    • Liter: 7.4
    • EngineType: V8
    • SubModel: BASE

    1971-1972 CHEVROLET IMPALA

    • Liter: 6.6
    • SubModel: BASE
    • CUI: 402
    • EngineType: V8

    1970-1971 CHEVROLET P30 VAN

    • Liter: 7.4
    • EngineType: V8
    • SubModel: BASE

    1976 GMC K1500 PICKUP

    • Liter: 7.4
    • EngineType: V8
    • SubModel: BASE

    1973 GMC JIMMY

    • Liter: 7.4
    • EngineType: V8
    • SubModel: BASE

    1970-1972 CHEVROLET BISCAYNE

    • Liter: 7.4
    • SubModel: BASE
    • CUI: 454
    • EngineType: V8

    1972-1975 GMC SPRINT

    • Liter: 7.4
    • EngineType: V8
    • SubModel: CUSTOM

    1989 CHEVROLET V3500 PICKUP

    • Liter: 7.4
    • SubModel: CHEYENNE
    • CUI: 454
    • EngineType: V8

    1965-1967 CHEVROLET BEL AIR

    • Liter: 6.5
    • EngineType: V8
    • SubModel: BASE

    1974 CHEVROLET CAPRICE

    • Liter: 7.4
    • SubModel: CLASSIC
    • CUI: 454
    • EngineType: V8

    1968-1969 CHEVROLET CHEVELLE

    • Liter: 6.5
    • EngineType: V8
    • SubModel: CONCOURS

    1988 CHEVROLET V30 PICKUP

    • Liter: 7.4
    • SubModel: CHEYENNE
    • CUI: 454
    • EngineType: V8

    1979-1986 GMC C2500 PICKUP

    • Liter: 7.4
    • EngineType: V8
    • SubModel: BASE

    1980-1982 CHEVROLET K30 PICKUP

    • Liter: 7.4
    • EngineType: V8
    • SubModel: BASE

    1972 CHEVROLET C10 PICKUP

    • Liter: 6.6
    • EngineType: V8
    • SubModel: BASE

    1974 GMC P35/P3500 VAN

    • EngineType: ALL
    • SubModel: MOTORHOME

    1970-1971 GMC P25/P2500 VAN

    • Liter: 7.4
    • EngineType: V8
    • SubModel: BASE

    1968 GMC C25/C2500 PICKUP

    • Liter: 6.5
    • SubModel: BASE
    • CUI: 396
    • EngineType: V8

    1970 CHEVROLET KINGSWOOD

    • Liter: 7.4
    • SubModel: BASE
    • CUI: 454
    • EngineType: V8

    1970 CHEVROLET NOVA

    • Liter: 6.6
    • SubModel: BASE
    • CUI: 402
    • EngineType: V8

    1978 GMC VAN P35/P3500

    • EngineType: ALL
    • SubModel: ALL

    1976 GMC JIMMY

    • Liter: 7.4
    • EngineType: V8
    • SubModel: BASE

    1968-1969 CHEVROLET BEL AIR

    • Liter: 6.5
    • SubModel: BASE
    • CUI: 396
    • EngineType: V8

    1970-1971 CHEVROLET K10 SUBURBAN

    • Liter: 6.6
    • SubModel: BASE
    • CUI: 402
    • EngineType: V8

    1969 GMC K25/K2500 PICKUP

    • Liter: 6.5
    • EngineType: V8
    • SubModel: BASE

    1968-1969 CHEVROLET C30 PICKUP

    • Liter: 6.5
    • SubModel: BASE
    • CUI: 396
    • EngineType: V8

    1979-1986 GMC K3500 PICKUP

    • Liter: 7.4
    • EngineType: V8
    • SubModel: BASE

    1970 CHEVROLET CHEVELLE

    • CC: 6588
    • Liter: 6.6
    • SubModel: CONCOURS ESTATE
    • EngineType: V8

    1973 CHEVROLET CHEVELLE

    • CC: 7439
    • Liter: 7.4
    • SubModel: DELUXE
    • EngineType: V8

    1966-1967 CHEVROLET MALIBU

    • Liter: 6.5
    • EngineType: V8
    • SubModel: BASE

    1980 CHEVROLET K20 PICKUP

    • Liter: 7.4
    • Aspiration: N
    • SubModel: BASE
    • Engine Vin: S
    • CUI: 454
    • EngineType: V8

    1969 GMC K1500 PICKUP

    • Liter: 6.5
    • EngineType: V8
    • SubModel: BASE

    1973-1978 GMC C25/C2500 PICKUP

    • Liter: 7.4
    • EngineType: V8
    • SubModel: BASE

    1976 CHEVROLET P30 VAN

    • Liter: 7.4
    • Aspiration: N
    • SubModel: BASE
    • Engine Vin: S
    • CUI: 454
    • EngineType: V8

    1974 CHEVROLET K10 PICKUP

    • Liter: 7.4
    • EngineType: V8
    • SubModel: BASE

    1965-1967 CHEVROLET IMPALA

    • Liter: 6.5
    • EngineType: V8
    • SubModel: BASE

    1968-1969 CHEVROLET K30 PICKUP

    • Liter: 6.5
    • SubModel: BASE
    • CUI: 396
    • EngineType: V8

    1976-1978 CHEVROLET K20 PICKUP

    • Liter: 7.4
    • EngineType: V8
    • SubModel: BASE

    1968-1969 CHEVROLET BISCAYNE

    • Liter: 6.5
    • SubModel: BASE
    • CUI: 396
    • EngineType: V8

    1973 CHEVROLET K20 SUBURBAN

    • Liter: 7.4
    • EngineType: V8
    • SubModel: BASE

    1968-1969 CHEVROLET K10 SUBURBAN

    • Liter: 6.5
    • SubModel: BASE
    • CUI: 396
    • EngineType: V8

    1971-1972 CHEVROLET EL CAMINO

    • Liter: 6.6
    • SubModel: BASE
    • CUI: 402
    • EngineType: V8

    1971-1972 CHEVROLET CHEVELLE

    • CC: 7439
    • Liter: 7.4
    • SubModel: NOMAD
    • EngineType: V8

    1963 CHEVROLET BEL AIR

    • Liter: 7.0
    • EngineType: V8
    • SubModel: BASE

    1971-1972 CHEVROLET KINGSWOOD

    • Liter: 6.6
    • SubModel: ESTATE
    • CUI: 402
    • EngineType: V8

    1970-1972 GMC K15/K1500 SUBURBAN

    • Liter: 6.6
    • EngineType: V8
    • SubModel: BASE

    1969 CHEVROLET NOVA

    • Liter: 6.5
    • SubModel: BASE
    • CUI: 396
    • EngineType: V8

    1966-1967 CHEVROLET CAPRICE

    • Liter: 6.5
    • EngineType: V8
    • SubModel: BASE

    1970-1971 CHEVROLET C30 PICKUP

    • Liter: 6.6
    • SubModel: BASE
    • CUI: 402
    • EngineType: V8

    1969 GMC C15/C1500 SUBURBAN

    • Liter: 6.5
    • EngineType: V8
    • SubModel: BASE

    1966 CHEVROLET CORVETTE

    • Liter: 7.0
    • EngineType: V8
    • SubModel: BASE

    1973 CHEVROLET P20 VAN

    • Liter: 7.4
    • EngineType: V8
    • SubModel: BASE

    1972 CHEVROLET CHEVELLE

    • CC: 6588
    • Liter: 6.6
    • SubModel: CONCOURS
    • EngineType: V8

    1986 CHEVROLET C20 PICKUP

    • Liter: 7.4
    • EngineType: V8
    • SubModel: CUSTOM

    1977-1980 GMC C1500 PICKUP

    • Liter: 7.4
    • EngineType: V8
    • SubModel: BIG TEN

    1970-1972 GMC C25/C2500 SUBURBAN

    • Liter: 6.6
    • EngineType: V8
    • SubModel: BASE

    1979-1980 GMC C1500 SUBURBAN

    • Liter: 7.4
    • EngineType: V8
    • SubModel: BASE

    1981-1989 CHEVROLET P30 VAN

    • Liter: 7.4
    • EngineType: V8
    • SubModel: BASE
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