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Proform 66917C

High-Performance Gear Drive Small Block Chevy



Proform 66917C

Part Number: 778-66917C

High-Performance Gear Drive
  • Small Block Chevy
  • $93.57
    Ships
    Proform 66917C High-Performance Gear Drive Small Block Chevy $93.57

    Specifications:

    Engine Make/Size
    Chevy Small Block (262-400)
    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:
    66917C

    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 Proform 66917C fit your vehicle?

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    Aspiration

    1988 CHEVROLET V30 PICKUP

    • Liter: 5.7
    • EngineType: V8
    • SubModel: CHEYENNE

    1974 GMC C35/C3500 PICKUP

    • Liter: 5.7
    • SubModel: BASE
    • CUI: 350
    • EngineType: V8

    1988 CHEVROLET V20 SUBURBAN

    • Liter: 5.7
    • EngineType: V8
    • SubModel: SCOTTSDALE

    1982-1986 GMC C2500 SUBURBAN

    • Liter: 5.0
    • EngineType: V8
    • SubModel: BASE

    1976 GMC G35/G3500 VAN

    • Liter: 6.6
    • EngineType: V8
    • SubModel: MAGNAVAN

    1975 GMC K25 PICKUP

    • EngineType: V8
    • SubModel: BASE

    1975 GMC G35/G3500 VAN

    • EngineType: V8
    • SubModel: MAGNAVAN

    1987-1991 GMC V3500 PICKUP

    • Liter: 5.7
    • EngineType: V8
    • SubModel: BASE

    1970-1972 CHEVROLET CAPRICE

    • Liter: 6.6
    • SubModel: BASE
    • CUI: 400
    • EngineType: V8

    1990-1995 CHEVROLET G10 VAN

    • EngineType: V8
    • SubModel: BASE

    1971 CHEVROLET K10 SUBURBAN

    • Liter: 5.7
    • Aspiration: N
    • SubModel: BASE
    • Engine Vin: E
    • CUI: 350
    • EngineType: V8

    1974 CHEVROLET CAMARO

    • EngineType: ALL
    • SubModel: Z28

    1968 CHEVROLET CHEVELLE

    • Liter: 5.4
    • EngineType: V8
    • SubModel: 300 DELUXE

    1970-1972 CHEVROLET BISCAYNE

    • Liter: 6.6
    • SubModel: BASE
    • CUI: 400
    • EngineType: V8

    1972 GMC G35/G3500 VAN

    • Liter: 5.7
    • Aspiration: N
    • SubModel: VANDURA
    • Engine Vin: E
    • CUI: 350
    • EngineType: V8

    1996 GMC G3500 VAN

    • Liter: 5.7
    • EngineType: V8
    • SubModel: BASE

    1969-1972 CHEVROLET CAPRICE

    • Liter: 5.7
    • SubModel: BASE
    • CUI: 350
    • EngineType: V8

    1981-1983 CHEVROLET IMPALA

    • CC: 5031
    • Liter: 5.0
    • SubModel: BASE
    • EngineType: V8

    1969-1970 CHEVROLET K30 PICKUP

    • Liter: 5.7
    • SubModel: BASE
    • CUI: 350
    • EngineType: V8

    1976-1978 CHEVROLET C20 PICKUP

    • Liter: 6.6
    • EngineType: V8
    • SubModel: CHEYENNE

    1972 CHEVROLET P20 VAN

    • EngineType: V8
    • SubModel: BASE

    1991 CHEVROLET CORVETTE

    • Liter: 5.7
    • Aspiration: N
    • SubModel: BASE
    • Engine Vin: 8
    • CUI: 350
    • EngineType: V8

    1975-1978 CHEVROLET C20 PICKUP

    • Liter: 5.7
    • EngineType: V8
    • SubModel: CHEYENNE

    1969-1972 CHEVROLET KINGSWOOD

    • Liter: 5.7
    • SubModel: BASE
    • CUI: 350
    • EngineType: V8

    1975-1976 CHEVROLET G30 VAN

    • Liter: 5.7
    • EngineType: V8
    • SubModel: BEAUVILLE

    1973 CHEVROLET G10 VAN

    • Liter: 5.0
    • EngineType: V8
    • SubModel: BASE

    1969-1970 GMC C35/C3500 PICKUP

    • Liter: 5.7
    • SubModel: BASE
    • CUI: 350
    • EngineType: V8

    1968-1971 CHEVROLET C20 SUBURBAN

    • Liter: 5.0
    • SubModel: BASE
    • CUI: 307
    • EngineType: V8

    1986 CHEVROLET G10 VAN

    • EngineType: ALL
    • SubModel: BASE

    1986 CHEVROLET K20 SUBURBAN

    • Liter: 5.0
    • EngineType: V8
    • SubModel: CUSTOM

    1967-1969 GMC P35/P3500 VAN

    • EngineType: V8
    • SubModel: BASE

    1972 CHEVROLET CHEVELLE

    • Liter: 5.7
    • SubModel: NOMAD
    • CUI: 350
    • EngineType: V8

    1992-1995 GMC K2500 SUBURBAN

    • Liter: 5.7
    • EngineType: V8
    • SubModel: BASE

    1968-1973 CHEVROLET G10 VAN

    • EngineType: V8
    • SubModel: SPORTVAN

    1976 CHEVROLET CAPRICE

    • Liter: 6.6
    • SubModel: CLASSIC
    • CUI: 400
    • EngineType: V8

    1973 CHEVROLET LAGUNA

    • Liter: 5.7
    • SubModel: ESTATE
    • CUI: 350
    • EngineType: V8

    1975 CHEVROLET LAGUNA

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

    1977-1978 GMC G35/G3500 VAN

    • EngineType: V8
    • SubModel: MAGNAVAN

    1969-1971 CHEVROLET K10 PICKUP

    • CC: 5736
    • Liter: 5.7
    • SubModel: BASE
    • CUI: 350
    • EngineType: V8

    1986 CHEVROLET K20 PICKUP

    • Liter: 5.7
    • EngineType: V8
    • SubModel: CUSTOM

    1971-1974 GMC G25/G2500 VAN

    • EngineType: V8
    • SubModel: RALLY

    1986 CHEVROLET C10 PICKUP

    • Liter: 5.0
    • EngineType: V8
    • SubModel: CUSTOM

    1979 CHEVROLET K30 PICKUP

    • EngineType: V8
    • SubModel: BASE

    1992-1994 CHEVROLET C1500 SUBURBAN

    • EngineType: ALL
    • SubModel: BASE

    1971-1972 CHEVROLET EL CAMINO

    • CC: 6555
    • Liter: 6.6
    • SubModel: BASE
    • EngineType: V8

    1983-1984 CHEVROLET C10 SUBURBAN

    • Liter: 5.7
    • EngineType: V8
    • SubModel: CUSTOM

    1971 GMC G35/G3500 VAN

    • Liter: 5.7
    • Aspiration: N
    • SubModel: BASE
    • Engine Vin: B
    • CUI: 350
    • EngineType: V8

    1985 CHEVROLET K20 SUBURBAN

    • Liter: 5.0
    • EngineType: V8
    • SubModel: BASE

    1987 CHEVROLET R20 PICKUP

    • Liter: 5.7
    • EngineType: V8
    • SubModel: CUSTOM DELUXE

    1972 GMC C25/C2500 PICKUP

    • Liter: 5.7
    • Aspiration: N
    • SubModel: BASE
    • Engine Vin: J
    • CUI: 350
    • EngineType: V8

    1982-1986 GMC K2500 SUBURBAN

    • Liter: 5.7
    • EngineType: V8
    • SubModel: BASE

    1972 CHEVROLET C10 PICKUP

    • CC: 5736
    • Liter: 5.7
    • SubModel: BASE
    • CUI: 350
    • EngineType: V8

    1989-1995 GMC C1500 PICKUP

    • Liter: 5.7
    • EngineType: V8
    • SubModel: SIERRA XC

    1987 GMC V1500 PICKUP

    • Liter: 5.7
    • EngineType: V8
    • SubModel: BASE

    1971 CHEVROLET BEL AIR

    • Liter: 5.7
    • SubModel: BASE
    • CUI: 350
    • EngineType: V8

    1979-1980 CHEVROLET K10 PICKUP

    • Liter: 5.7
    • EngineType: V8
    • SubModel: BASE

    1975 GMC K25 SUBURBAN

    • EngineType: V8
    • SubModel: BASE

    1972-1973 GMC K25/K2500 SUBURBAN

    • Liter: 5.0
    • EngineType: V8
    • SubModel: BASE

    1983-1995 GMC G35/G3500 VAN

    • Liter: 5.7
    • EngineType: V8
    • SubModel: RALLY

    1995 CHEVROLET C2500 PICKUP

    • Liter: 5.7
    • EngineType: V8
    • SubModel: BASE

    1976 CHEVROLET K5 BLAZER

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

    1979-1980 GMC C1500 PICKUP

    • Liter: 5.0
    • EngineType: V8
    • SubModel: BIG TEN

    1995 GMC C1500 PICKUP

    • Liter: 5.0
    • SubModel: SIERRA SL
    • CUI: 305
    • EngineType: V8

    1994-1995 GMC C3500 PICKUP

    • Liter: 5.7
    • EngineType: V8
    • SubModel: SIERRA SL

    1973 GMC C1500 PICKUP

    • Liter: 5.7
    • Aspiration: N
    • SubModel: BASE
    • Engine Vin: Y
    • CUI: 350
    • EngineType: V8

    1971 GMC JIMMY

    • Liter: 5.7
    • EngineType: V8
    • SubModel: BASE

    1972 CHEVROLET K10 PICKUP

    • CC: 5736
    • Liter: 5.7
    • Aspiration: N
    • SubModel: BASE
    • Engine Vin: E
    • CUI: 350
    • EngineType: V8

    1971-1972 GMC K25/K2500 SUBURBAN

    • Liter: 5.7
    • Aspiration: N
    • SubModel: BASE
    • Engine Vin: E
    • CUI: 350
    • EngineType: V8

    1970 CHEVROLET BROOKWOOD

    • CC: 6556
    • Liter: 6.6
    • SubModel: BASE
    • CUI: 400
    • EngineType: V8

    1976 CHEVROLET K10 SUBURBAN

    • EngineType: ALL
    • SubModel: BASE

    1970 CHEVROLET CHEVELLE

    • Liter: 5.0
    • SubModel: BASE
    • CUI: 307
    • EngineType: V8

    1970 CHEVROLET CHEVELLE

    • CC: 6555
    • Liter: 6.6
    • SubModel: GREENBRIER
    • EngineType: V8

    1993 GMC K1500

    • Liter: 5.0
    • EngineType: V8
    • SubModel: SIERRA

    1971 GMC C35/C3500 PICKUP

    • CC: 5736
    • Liter: 5.7
    • SubModel: BASE
    • CUI: 350
    • EngineType: V8

    1977-1978 CHEVROLET K20 PICKUP

    • Liter: 5.0
    • EngineType: V8
    • SubModel: CHEYENNE

    1976 GMC K1500 PICKUP

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

    1962-1969 CHEVROLET BISCAYNE

    • Liter: 5.4
    • EngineType: V8
    • SubModel: BASE

    1977-1978 CHEVROLET C20 SUBURBAN

    • Liter: 5.0
    • EngineType: V8
    • SubModel: CUSTOM DELUXE

    1977 CHEVROLET CAPRICE

    • EngineType: V8
    • SubModel: CLASSIC

    1992-1993 CHEVROLET C2500 PICKUP

    • Liter: 5.7
    • SubModel: BASE
    • CUI: 350
    • EngineType: V8

    1964-1967 CHEVROLET MALIBU

    • CC: 4638
    • Liter: 4.6
    • SubModel: BASE
    • CUI: 283
    • EngineType: V8

    1988-1989 CHEVROLET K2500 PICKUP

    • Liter: 5.0
    • EngineType: V8
    • SubModel: CHEYENNE

    1979 CHEVROLET C30 PICKUP

    • Liter: 5.0
    • EngineType: V8
    • SubModel: BASE

    1984 CHEVROLET IMPALA

    • Liter: 5.0
    • EngineType: V8
    • SubModel: BASE

    1973 CHEVROLET EL CAMINO

    • CC: 5031
    • Liter: 5.0
    • SubModel: CUSTOM
    • CUI: 307
    • EngineType: V8

    1961-1966 CHEVROLET C10 PICKUP

    • CC: 4638
    • Liter: 4.6
    • SubModel: BASE
    • CUI: 283
    • EngineType: V8

    1972-1973 CHEVROLET C30 PICKUP

    • Liter: 5.0
    • EngineType: V8
    • SubModel: BASE

    1974 CHEVROLET K20 SUBURBAN

    • Liter: 5.7
    • SubModel: BASE
    • CUI: 350
    • EngineType: V8

    1977 CHEVROLET EL CAMINO

    • EngineType: V8
    • SubModel: CLASSIC

    1972-1973 CHEVROLET K20 SUBURBAN

    • Liter: 5.0
    • EngineType: V8
    • SubModel: BASE

    1990-1992 CHEVROLET C1500 PICKUP

    • Liter: 5.7
    • EngineType: V8
    • SubModel: BASE

    1970-1971 CHEVROLET CHEVELLE

    • Liter: 5.7
    • SubModel: BASE
    • CUI: 350
    • EngineType: V8

    1974 GMC SPRINT

    • Liter: 6.6
    • SubModel: CUSTOM
    • CUI: 400
    • EngineType: V8

    1976 CHEVROLET K5 BLAZER

    • Liter: 5.7
    • EngineType: V8
    • SubModel: BASE

    1969 CHEVROLET BLAZER

    • CC: 5736
    • Liter: 5.7
    • SubModel: BASE
    • CUI: 350
    • EngineType: V8

    1976 CHEVROLET MALIBU

    • Liter: 5.7
    • SubModel: CLASSIC
    • CUI: 350
    • EngineType: V8

    1976-1978 CHEVROLET C10 SUBURBAN

    • EngineType: V8
    • SubModel: BASE

    1970 CHEVROLET CHEVELLE

    • CC: 6555
    • Liter: 6.6
    • SubModel: NOMAD
    • EngineType: V8

    1973 CHEVROLET BLAZER

    • Liter: 5.0
    • EngineType: V8
    • SubModel: BASE

    1987-1991 GMC R1500 SUBURBAN

    • Liter: 5.7
    • EngineType: V8
    • SubModel: BASE
    66917C - Proform Chevy High-Performance Gear Drives is rated 4.0 out of 5 by 1.
    • 2016-09-29T08:09CST
    • bvseo_cps, prod_bvrr, vn_cps_3.4.0
    • cp_1, bvpage1
    • co_hasreviews, tv_0, tr_1
    • loc_en_US, sid_10001_10001_62646, PRD, sort_relevancy
    • clientName_jegs
    Rated 4 out of 5 by from Gears are great easy install. Not as noisy as I thought they be but a good sound will us on my my next build
    Date published: 2016-03-28
    • 2016-09-29T08:09CST
    • bvseo_cps, prod_bvrr, vn_cps_3.4.0
    • cp_1, bvpage1
    • co_hasreviews, tv_0, tr_1
    • loc_en_US, sid_10001_10001_62646, PRD, sort_relevancy
    • clientName_jegs
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