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Proform 66981

Stud Girdle Kit Big Block Chevy with 7/16" Stud



Proform 66981

Part Number: 778-66981

Stud Girdle Kit
  • Big Block Chevy with 7/16'' Stud
  • $144.40
    Ships
    FREE Shipping
    Proform 66981 Stud Girdle Kit Big Block Chevy with 7/16" Stud $144.40

    Proform 66981 Details

    Chevy

    The included poly locks fit .600" rocker arms

    Specifications:

    Quantity
    Sold as a kit
    Rocker Arm Nut Style
    Polylock
    Rocker Arm Nut Thread Size (in.)
    7/16"-20
    Rocker Arm Nuts Included
    Yes
    Stud Girdle Attachment Style
    Clamp-on
    Stud Girdle Finish
    Natural
    Stud Girdle Material
    Aluminum
    Tall-Style Valve Covers Required
    Yes
    Manufacturer's Part Number:
    66981

    Proform Stud Girdles reduce flex, as well as the possibility of part damage or failure. The increased valvetrain rigidity helps minimize energy loss. Each kit includes aluminum stabilizers and poly locks.

    Does Proform 66981 fit your vehicle?

    Narrow Results

    1975-1978 GMC C35/C3500 PICKUP

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

    1975 GMC C25/C2500 PICKUP

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

    1979-1986 GMC C2500 SUBURBAN

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

    1972 GMC SPRINT

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

    1973-1974 GMC SPRINT

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

    1969 GMC C25/C2500 SUBURBAN

    • Liter: 6.5
    • Aspiration: N
    • SubModel: BASE
    • Engine Vin: Y
    • CUI: 396
    • EngineType: V8

    1973-1974 CHEVROLET G10 VAN

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

    1971-1972 CHEVROLET BISCAYNE

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

    1968-1969 GMC C25/C2500 PICKUP

    • Liter: 6.5
    • Aspiration: N
    • SubModel: BASE
    • Engine Vin: E
    • CUI: 396
    • EngineType: V8

    1986 CHEVROLET K30 PICKUP

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

    1970-1971 CHEVROLET C30 PICKUP

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

    1971 GMC C1500 PICKUP

    • Liter: 6.6
    • Aspiration: N
    • SubModel: BASE
    • Engine Vin: E
    • CUI: 402
    • EngineType: V8

    1975-1978 CHEVROLET C30 PICKUP

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

    1966-1967 CHEVROLET EL CAMINO

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

    1973-1974 CHEVROLET C10 PICKUP

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

    1976-1977 GMC C25/C2500 PICKUP

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

    1976 CHEVROLET K10 PICKUP

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

    1979-1980 CHEVROLET C10 PICKUP

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

    1973 CHEVROLET P10 VAN

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

    1965-1969 CHEVROLET BEL AIR

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

    1975 CHEVROLET LAGUNA

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

    1972 CHEVROLET EL CAMINO

    • Liter: 6.6
    • Aspiration: N
    • SubModel: CUSTOM
    • Engine Vin: U
    • CUI: 402
    • EngineType: V8

    1975 CHEVROLET C10 SUBURBAN

    • EngineType: V8
    • SubModel: BASE

    1970 CHEVROLET EL CAMINO

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

    1976 GMC C25/C2500 PICKUP

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

    1970 CHEVROLET NOVA

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

    1968-1969 CHEVROLET CHEVELLE

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

    1971 CHEVROLET EL CAMINO

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

    1967 CHEVROLET CAMARO

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

    1976-1978 CHEVROLET K20 PICKUP

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

    1970-1971 CHEVROLET K30 PICKUP

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

    1985 CHEVROLET C20 PICKUP

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

    1968 CHEVROLET CAMARO

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

    1972 CHEVROLET CHEVELLE

    • CC: 7439
    • Liter: 7.4
    • Aspiration: N
    • SubModel: MALIBU
    • Engine Vin: W
    • CUI: 454
    • EngineType: V8

    1973-1974 GMC K35/K3500 PICKUP

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

    1973-1974 CHEVROLET G20 VAN

    • CC: 7441
    • Liter: 7.4
    • SubModel: BASE
    • EngineType: V8

    1980 CHEVROLET K10 PICKUP

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

    1972 CHEVROLET CHEVELLE

    • CC: 6588
    • Liter: 6.6
    • Aspiration: N
    • SubModel: GREENBRIER
    • Engine Vin: U
    • CUI: 402
    • EngineType: V8

    1979 CHEVROLET K10 PICKUP

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

    1979-1986 GMC K3500 PICKUP

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

    1987 CHEVROLET R30 PICKUP

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

    1971 GMC K35/K3500 PICKUP

    • Liter: 6.6
    • Aspiration: N
    • SubModel: BASE
    • Engine Vin: E
    • CUI: 402
    • EngineType: V8

    1976 GMC K1500 PICKUP

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

    1975 CHEVROLET MONTE CARLO

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

    1968-1970 CHEVROLET CHEVELLE

    • Liter: 6.5
    • EngineType: V8
    • SubModel: SS

    1973 CHEVROLET BLAZER

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

    1970 CHEVROLET EL CAMINO

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

    1974 CHEVROLET MALIBU

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

    1971-1974 CHEVROLET BEL AIR

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

    1972 CHEVROLET MONTE CARLO

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

    1970 GMC C25/C2500 SUBURBAN

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

    1971 CHEVROLET CHEVELLE

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

    1970-1972 CHEVROLET CAMARO

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

    1976-1978 GMC K25 PICKUP

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

    1970 CHEVROLET NOVA

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

    1975 CHEVROLET BEL AIR

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

    1975-1978 CHEVROLET C10 PICKUP

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

    1973-1974 CHEVROLET C20 PICKUP

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

    1980 CHEVROLET P30 VAN

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

    1987-1989 GMC V3500 PICKUP

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

    1970-1974 CHEVROLET IMPALA

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

    1973 CHEVROLET P20 VAN

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

    1966 CHEVROLET CORVETTE

    • Liter: 7.0
    • SubModel: BASE
    • CUI: 427
    • EngineType: V8

    1968 GMC C25/C2500 SUBURBAN

    • Liter: 6.5
    • Aspiration: N
    • SubModel: BASE
    • Engine Vin: E
    • CUI: 396
    • EngineType: V8

    1972 CHEVROLET CHEVELLE

    • CC: 6588
    • Liter: 6.6
    • Aspiration: N
    • SubModel: CONCOURS
    • Engine Vin: U
    • CUI: 402
    • EngineType: V8

    1975 GMC SPRINT

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

    1983-1984 CHEVROLET C30 PICKUP

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

    1980-1982 CHEVROLET K30 PICKUP

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

    1963 CHEVROLET BEL AIR

    • Liter: 7.0
    • SubModel: BASE
    • CUI: 427
    • EngineType: V8

    1969 GMC C15/C1500 SUBURBAN

    • Liter: 6.5
    • Aspiration: N
    • SubModel: BASE
    • Engine Vin: E
    • CUI: 396
    • EngineType: V8

    1973 CHEVROLET CHEVELLE

    • CC: 7439
    • Liter: 7.4
    • Aspiration: N
    • SubModel: DELUXE
    • Engine Vin: Y
    • CUI: 454
    • EngineType: V8

    1972 CHEVROLET C30 PICKUP

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

    1973-1974 CHEVROLET G30 VAN

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

    1979-1980 CHEVROLET C10 SUBURBAN

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

    1970 GMC K35/K3500 PICKUP

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

    1974 GMC K25/K2500 SUBURBAN

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

    1972 CHEVROLET K10 SUBURBAN

    • Liter: 6.6
    • Aspiration: N
    • SubModel: BASE
    • Engine Vin: E
    • CUI: 402
    • EngineType: V8

    1974-1975 GMC SPRINT

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

    1970-1972 CHEVROLET CAPRICE

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

    1968-1969 CHEVROLET IMPALA

    • Liter: 7.0
    • SubModel: BASE
    • CUI: 427
    • EngineType: V8

    1968 CHEVROLET CHEVELLE

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

    1971-1972 CHEVROLET CAPRICE

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

    1970-1974 CHEVROLET CORVETTE

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

    1973 GMC K25/K2500 PICKUP

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

    1971 CHEVROLET EL CAMINO

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

    1974 GMC C25/C2500 SUBURBAN

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

    1981-1989 CHEVROLET P30 VAN

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

    1968-1969 CHEVROLET CORVETTE

    • Liter: 7.0
    • SubModel: BASE
    • CUI: 427
    • EngineType: V8

    1968 GMC K25/K2500 PICKUP

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

    1970-1971 GMC P35/P3500 VAN

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

    1977-1979 CHEVROLET P30 VAN

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

    1983-1984 CHEVROLET C20 PICKUP

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

    1979-1982 CHEVROLET C30 PICKUP

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

    1976 CHEVROLET IMPALA

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

    1968-1969 CHEVROLET CHEVELLE

    • Liter: 6.5
    • EngineType: V8
    • SubModel: NOMAD

    1968-1969 CHEVROLET EL CAMINO

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

    1969 GMC K1500 PICKUP

    • Liter: 6.5
    • Aspiration: N
    • SubModel: BASE
    • Engine Vin: E
    • CUI: 396
    • EngineType: V8

    1968-1969 CHEVROLET C10 SUBURBAN

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

    1972 CHEVROLET C20 PICKUP

    • Liter: 6.6
    • Aspiration: N
    • SubModel: BASE
    • Engine Vin: E
    • CUI: 402
    • EngineType: V8

    1971-1972 CHEVROLET BEL AIR

    • Liter: 6.6
    • SubModel: BASE
    • CUI: 402
    • EngineType: V8
    66981 - Proform Stud Girdles is rated 5.0 out of 5 by 1.
    • 2016-10-01T08:06CST
    • bvseo_cps, prod_bvrr, vn_cps_3.4.0
    • cp_1, bvpage1
    • co_hasreviews, tv_0, tr_1
    • loc_en_US, sid_10001_10001_254662, PRD, sort_relevancy
    • clientName_jegs
    Rated 5 out of 5 by from great piece for the price. Have purchased PROFORM products before and have had no problems.
    Date published: 2015-01-24
    • 2016-10-01T08:06CST
    • bvseo_cps, prod_bvrr, vn_cps_3.4.0
    • cp_1, bvpage1
    • co_hasreviews, tv_0, tr_1
    • loc_en_US, sid_10001_10001_254662, PRD, sort_relevancy
    • clientName_jegs
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