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Proform High Performance HEI Distributor for 1955-1982 Small Block & Big Block Chevy with Black Cap

778-66940BK


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Proform 66940BK
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$102.99
High Performance HEI Distributor
  • 1955-1982 Small Block & Big Block Chevy
  • Black Cap
  • Free Shipping - Ships directly from the manufacturer
    Save $20 off $200, $50 off $500, $100 off $1,000 Orders. Promo Code: SPRINGSAVINGS exclusions apply
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    1977  BUICK REGAL

    • Liter: 5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: U
    • CUI: 305

    1972  CHEVROLET MONTE CARLO

    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: J
    • CUI: 350

    1977  BUICK REGAL

    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: L
    • CUI: 350

    1972  CHEVROLET MONTE CARLO

    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: K
    • CUI: 350

    1977  CHEVROLET C20 SUBURBAN

    • Liter: 5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: CUSTOM DELUXE
    • Engine Vin: U
    • CUI: 305

    1974  GMC P35/P3500 VAN

    • Liter: 7.4
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: MOTOR HOME
    • Engine Vin: Z
    • CUI: 454

    1974  CHEVROLET MALIBU

    • Liter: 6.6
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: CLASSIC
    • Engine Vin: U
    • CUI: 400

    1969  CHEVROLET K20 PICKUP

    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: -
    • CUI: 350

    1977  CHEVROLET CAMARO

    • Liter: 5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: U
    • CUI: 305

    1980  OLDSMOBILE CUTLASS CRUISER

    • Liter: 5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: H
    • CUI: 305

    1956  CHEVROLET TWO-TEN SERIES

    • Liter: 4.3
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: -
    • CUI: 265

    1975  CHEVROLET IMPALA

    • Liter: 6.6
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: M
    • CUI: 400

    1972  CHEVROLET CHEVELLE

    • Liter: 5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: F
    • CUI: 307

    1977  CHEVROLET CAPRICE

    • Liter: 5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: CLASSIC
    • Engine Vin: U
    • CUI: 305

    1968  CHEVROLET CHEVELLE

    • Liter: 6.5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: 300
    • Engine Vin: -
    • CUI: 396

    1980  OLDSMOBILE CUTLASS

    • Liter: 5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BROUGHAM
    • Engine Vin: H
    • CUI: 305

    1972  CHEVROLET KINGSWOOD

    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: K
    • CUI: 350

    1957  CHEVROLET BEL AIR

    • Liter: 4.6
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: -
    • CUI: 283

    1975  CHEVROLET K20 SUBURBAN

    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: CUSTOM DELUXE
    • Engine Vin: Y
    • CUI: 350

    1971  GMC G25/G2500 VAN

    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: A
    • CUI: 350

    1969  CHEVROLET CHEVELLE

    • Liter: 5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: CONCOURS ESTATE
    • Engine Vin: -
    • CUI: 307

    1977  CHEVROLET EL CAMINO

    • Liter: 5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: U
    • CUI: 305

    1968  CHEVROLET CHEVELLE

    • Liter: 6.5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: MALIBU
    • Engine Vin: -
    • CUI: 396

    1976  CHEVROLET K5 BLAZER

    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: L
    • CUI: 350

    1971  GMC K25/K2500 PICKUP

    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: B
    • CUI: 350

    1968  CHEVROLET BEL AIR

    • Liter: 5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: ME
    • CUI: 307

    1971  CHEVROLET CHEVELLE

    • Liter: 5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: -
    • CUI: 307

    1973  CHEVROLET K20 SUBURBAN

    • Liter: 5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: X
    • CUI: 307

    1979  GMC C1500 SUBURBAN

    • Liter: 7.4
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: S
    • CUI: 454

    1970  CHEVROLET EL CAMINO

    • Liter: 5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: CUSTOM
    • Engine Vin: B
    • CUI: 307

    1972  CHEVROLET KINGSWOOD

    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: H
    • CUI: 350

    1974  CHEVROLET K10 SUBURBAN

    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: V
    • CUI: 350

    1976  CHEVROLET IMPALA

    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: CUSTOM
    • Engine Vin: V
    • CUI: 350

    1972  CHEVROLET CHEVELLE

    • Liter: 6.6
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: CONCOURS ESTATE
    • Engine Vin: S
    • CUI: 402

    1975  GMC SPRINT

    • Liter: 6.6
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: M
    • CUI: 400

    1973  CHEVROLET C30 PICKUP

    • Liter: 5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: X
    • CUI: 307

    1972  CHEVROLET CHEVELLE

    • Liter: 6.6
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: CONCOURS ESTATE
    • Engine Vin: U
    • CUI: 402

    1973  GMC SPRINT

    • Liter: 7.4
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: Y
    • CUI: 454

    1969  CHEVROLET CHEVELLE

    • Liter: 6.5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: GREENBRIER
    • Engine Vin: -
    • CUI: 396

    1977  OLDSMOBILE CUSTOM CRUISER

    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: L
    • CUI: 350

    1976  CHEVROLET LAGUNA

    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: S3
    • Engine Vin: L
    • CUI: 350

    1971  GMC K25/K2500 SUBURBAN

    • Liter: 5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: H
    • CUI: 307

    1973  CHEVROLET LAGUNA

    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: T
    • CUI: 350

    1972  CHEVROLET C30 PICKUP

    • Liter: 5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: F
    • CUI: 307

    1971  CHEVROLET C10 SUBURBAN

    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: A
    • CUI: 350

    1980  CHEVROLET IMPALA

    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: N
    • CUI: 350

    1970  CHEVROLET MONTE CARLO

    • Liter: 6.6
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: -
    • CUI: 400

    1972  GMC SPRINT

    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: J
    • CUI: 350

    1973  CHEVROLET K20 SUBURBAN

    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: Y
    • CUI: 350

    1974  CHEVROLET MONTE CARLO

    • Liter: 7.4
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: Y
    • CUI: 454

    1972  CHEVROLET C10 PICKUP

    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: J
    • CUI: 350

    1979  GMC K1500 SUBURBAN

    • Liter: 6.6
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: R
    • CUI: 400

    1976  CHEVROLET K10 SUBURBAN

    • Liter: 6.6
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: CUSTOM DELUXE
    • Engine Vin: U
    • CUI: 400

    1970  CHEVROLET EL CAMINO

    • Liter: 6.6
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: CUSTOM
    • Engine Vin: K
    • CUI: 400

    1969  GMC C25/C2500 SUBURBAN

    • Liter: 5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: U
    • CUI: 307

    1973  CHEVROLET BEL AIR

    • Liter: 7.4
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: X
    • CUI: 454

    1974  CHEVROLET MALIBU

    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: CLASSIC
    • Engine Vin: H
    • CUI: 350

    1958  CHEVROLET BISCAYNE

    • Liter: 4.6
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: -
    • CUI: 283

    1970  GMC C25/C2500 PICKUP

    • Liter: 5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: B
    • CUI: 307

    1972  CHEVROLET KINGSWOOD

    • Liter: 6.6
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: ESTATE
    • Engine Vin: S
    • CUI: 402

    1980  GMC C1500 SUBURBAN

    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: M
    • CUI: 350

    1976  CHEVROLET K10 SUBURBAN

    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: CUSTOM DELUXE
    • Engine Vin: L
    • CUI: 350

    1972  CHEVROLET C20 PICKUP

    • Liter: 5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: F
    • CUI: 307

    1971  CHEVROLET K30 PICKUP

    • Liter: 5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: H
    • CUI: 307

    1973  CHEVROLET LAGUNA

    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: ESTATE
    • Engine Vin: H
    • CUI: 350

    1969  CHEVROLET C10 PICKUP

    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: -
    • CUI: 350

    1971  CHEVROLET EL CAMINO

    • Liter: 5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: H
    • CUI: 307

    1976  CHEVROLET IMPALA

    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: CUSTOM
    • Engine Vin: L
    • CUI: 350

    1971  GMC SPRINT

    • Liter: 6.6
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: K
    • CUI: 402

    1973  CHEVROLET C30 PICKUP

    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: W
    • CUI: 350

    1973  GMC K35/K3500 PICKUP

    • Liter: 7.4
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: Z
    • CUI: 454

    1972  CHEVROLET CHEVELLE

    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: CONCOURS
    • Engine Vin: J
    • CUI: 350

    1973  CHEVROLET CAPRICE

    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: ESTATE
    • Engine Vin: H
    • CUI: 350

    1973  GMC SPRINT

    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: CUSTOM
    • Engine Vin: K
    • CUI: 350

    1971  GMC C25/C2500 PICKUP

    • Liter: 6.6
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: K
    • CUI: 402

    1972  CHEVROLET CHEVELLE

    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: J
    • CUI: 350

    1972  GMC G15/G1500 VAN

    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: RALLY
    • Engine Vin: E
    • CUI: 350

    1971  GMC JIMMY

    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: E
    • CUI: 350

    1968  CHEVROLET CHEVELLE

    • Liter: 6.5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: 300 DELUXE
    • Engine Vin: -
    • CUI: 396

    1974  CHEVROLET G30 VAN

    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: V
    • CUI: 350

    1972  CHEVROLET EL CAMINO

    • Liter: 5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: CUSTOM
    • Engine Vin: F
    • CUI: 307

    1972  GMC C35/C3500 PICKUP

    • Liter: 5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: F
    • CUI: 307

    1970  CHEVROLET CHEVELLE

    • Liter: 6.6
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: CONCOURS ESTATE
    • Engine Vin: -
    • CUI: 400

    1973  CHEVROLET MALIBU

    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: ESTATE
    • Engine Vin: K
    • CUI: 350

    1970  GMC K15/K1500 SUBURBAN

    • Liter: 6.6
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: E
    • CUI: 402

    1982  GMC C2500 SUBURBAN

    • Liter: 5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: H
    • CUI: 305

    1977  OLDSMOBILE OMEGA

    • Liter: 5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BROUGHAM
    • Engine Vin: U
    • CUI: 305

    1973  CHEVROLET EL CAMINO

    • Liter: 5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: X
    • CUI: 307

    1972  CHEVROLET CAMARO

    • Liter: 5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: F
    • CUI: 307

    1969  CHEVROLET CHEVELLE

    • Liter: 5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: NOMAD
    • Engine Vin: DC
    • CUI: 307

    1972  GMC G15/G1500 VAN

    • Liter: 5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: RALLY
    • Engine Vin: F
    • CUI: 307

    1972  CHEVROLET CORVETTE

    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: K
    • CUI: 350

    1982  GMC K1500 SUBURBAN

    • Liter: 5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: H
    • CUI: 305

    1970  CHEVROLET C20 PICKUP

    • Liter: 6.6
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: E
    • CUI: 402

    1973  CHEVROLET CAPRICE

    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: ESTATE
    • Engine Vin: K
    • CUI: 350

    1970  CHEVROLET MONTE CARLO

    • Liter: 6.6
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: -
    • CUI: 402

    1955  CHEVROLET ONE-FIFTY SERIES

    • Liter: 4.3
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: -
    • CUI: 265

    1968  CHEVROLET CHEVY II

    • Liter: 6.5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: NOVA
    • Engine Vin: -
    • CUI: 396

    1973  CHEVROLET EL CAMINO

    • Liter: 5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: CUSTOM
    • Engine Vin: X
    • CUI: 307

    1974  CHEVROLET G20 VAN

    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SPORTVAN
    • Engine Vin: V
    • CUI: 350

    Items You Need

    Some parts are not legal for use in California or other states with similar laws / regulations

    Motor Vehicles

    WARNING: Motor vehicles contain fuel, oils and fluids, battery posts, terminals and related accessories which contain lead and lead compounds and other chemicals known to the State of California to cause cancer, birth defects and other reproductive harm. These chemicals are found in vehicles, vehicle parts and accessories, both new and as replacements. When being serviced, these vehicles generate used oil, waste fluids, grease, fumes and particulates, all known to the State of California to cause cancer, birth defects, and reproductive harm.

    Tools:

    WARNING: Some dust created by power sanding, sawing, grinding, drilling, and other construction activities contains chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. Some examples of these chemicals are: lead from lead-based paints, crystalline silica from bricks and cement and other masonry products, and arsenic and chromium from chemically treated lumber. Your risk from exposure to these chemicals varies, depending on how often you do this type of work. To reduce your exposure, work in a well-ventilated area and with approved safety equipment, such as dust masks that are specially designed to filter out microscopic particles.

    Electrical Cords

    WARNING: The wires of these products contain chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. Wash hands after handling.