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COMP Cams Xtreme Energy 256H Hydraulic Flat Tappet Camshaft Only Lift .449"/.456" Duration 256°/268° RPM Range 1200-5200

249-12-256-4


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COMP Cams 12-256-4
$163.99
Xtreme Energy 256H Hydraulic Flat Tappet Camshaft Only
Lift .449"/.456"
Duration 256°/268°
RPM Range 1200-5200
Free Shipping - Ships directly from the manufacturer
Save $10 off $299+, $20 off $599+, $30 off $799+, $100 off $1,599 Orders. Promo Code: BURNOUT exclusions apply
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1968  GMC K15/K1500 SUBURBAN

  • Liter: 5.3
  • Aspiration: NATURALLY ASPIRATED
  • SubModel: BASE
  • Engine Vin: E
  • CUI: 327
  • EngineType: V8 ( 5.3 L / 327 )

1977-1978  CHEVROLET EL CAMINO

  • Liter: 5
  • Aspiration: NATURALLY ASPIRATED
  • SubModel: SS
  • Engine Vin: U
  • CUI: 305
  • EngineType: V8 ( 5 L / 305 )

1976  CHEVROLET MONTE CARLO

  • Liter: 5.7
  • Aspiration: NATURALLY ASPIRATED
  • SubModel: S
  • Engine Vin: V
  • CUI: 350
  • EngineType: V8 ( 5.7 L / 350 )

1968-1969  CHEVROLET C10 PICKUP

  • Liter: 5
  • Aspiration: NATURALLY ASPIRATED
  • SubModel: BASE
  • Engine Vin: E
  • CUI: 307
  • EngineType: V8 ( 5 L / 307 )

1977-1978  CHEVROLET IMPALA

  • Liter: 5
  • Aspiration: NATURALLY ASPIRATED
  • SubModel: LANDAU
  • Engine Vin: U
  • CUI: 305
  • EngineType: V8 ( 5 L / 305 )

1977-1978  CHEVROLET CAMARO

  • Liter: 5
  • Aspiration: NATURALLY ASPIRATED
  • SubModel: LT RALLY SPORT
  • Engine Vin: U
  • CUI: 305
  • EngineType: V8 ( 5 L / 305 )

1977-1978  CHEVROLET K5 BLAZER

  • Liter: 5
  • Aspiration: NATURALLY ASPIRATED
  • SubModel: CHEYENNE
  • Engine Vin: U
  • CUI: 305
  • EngineType: V8 ( 5 L / 305 )

1969-1971  CHEVROLET CHEVELLE

  • Liter: 5.7
  • Aspiration: NATURALLY ASPIRATED
  • SubModel: MALIBU
  • Engine Vin: -
  • CUI: 350
  • EngineType: V8 ( 5.7 L / 350 )

1968  CHEVROLET EL CAMINO

  • Liter: 5
  • Aspiration: NATURALLY ASPIRATED
  • SubModel: CUSTOM
  • Engine Vin: ME
  • CUI: 307
  • EngineType: V8 ( 5 L / 307 )

1971  CHEVROLET EL CAMINO

  • Liter: 5
  • Aspiration: NATURALLY ASPIRATED
  • SubModel: CUSTOM
  • Engine Vin: P
  • CUI: 307
  • EngineType: V8 ( 5 L / 307 )

1974  GMC G35/G3500 VAN

  • Liter: 5.7
  • Aspiration: NATURALLY ASPIRATED
  • SubModel: BASE
  • Engine Vin: -
  • CUI: 350
  • EngineType: V8 ( 5.7 L / 350 )

1973  CHEVROLET LAGUNA

  • Liter: 5.7
  • Aspiration: NATURALLY ASPIRATED
  • SubModel: ESTATE
  • Engine Vin: H
  • CUI: 350
  • EngineType: V8 ( 5.7 L / 350 )

1977-1978  CHEVROLET CAPRICE

  • Liter: 5
  • Aspiration: NATURALLY ASPIRATED
  • SubModel: CLASSIC LANDAU
  • Engine Vin: U
  • CUI: 305
  • EngineType: V8 ( 5 L / 305 )

1970-1971  CHEVROLET KINGSWOOD

  • Liter: 6.6
  • Aspiration: NATURALLY ASPIRATED
  • SubModel: ESTATE
  • Engine Vin: -
  • CUI: 402
  • EngineType: V8 ( 6.6 L / 402 )

1968  GMC K25/K2500 SUBURBAN

  • Liter: 5.3
  • Aspiration: NATURALLY ASPIRATED
  • SubModel: BASE
  • Engine Vin: E
  • CUI: 327
  • EngineType: V8 ( 5.3 L / 327 )

1980  CHEVROLET IMPALA

  • Liter: 5
  • Aspiration: NATURALLY ASPIRATED
  • SubModel: SPORT
  • Engine Vin: H
  • CUI: 305
  • EngineType: V8 ( 5 L / 305 )

1971  CHEVROLET K30 PICKUP

  • Liter: 5
  • Aspiration: NATURALLY ASPIRATED
  • SubModel: BASE
  • Engine Vin: P
  • CUI: 307
  • EngineType: V8 ( 5 L / 307 )

1977-1978  CHEVROLET MALIBU

  • Liter: 5
  • Aspiration: NATURALLY ASPIRATED
  • SubModel: CLASSIC LANDAU
  • Engine Vin: U
  • CUI: 305
  • EngineType: V8 ( 5 L / 305 )

1969-1971  CHEVROLET CHEVELLE

  • Liter: 5.7
  • Aspiration: NATURALLY ASPIRATED
  • SubModel: NOMAD
  • Engine Vin: -
  • CUI: 350
  • EngineType: V8 ( 5.7 L / 350 )

1991  CHEVROLET CORVETTE

  • Liter: 5.7
  • Aspiration: NATURALLY ASPIRATED
  • SubModel: BASE
  • Engine Vin: -
  • CUI: 350
  • EngineType: V8 ( 5.7 L / 350 )

1972  CHEVROLET CHEVELLE

  • Liter: 5.7
  • Aspiration: NATURALLY ASPIRATED
  • SubModel: GREENBRIER
  • Engine Vin: J
  • CUI: 350
  • EngineType: V8 ( 5.7 L / 350 )

1973-1974  CHEVROLET IMPALA

  • Liter: 5.7
  • Aspiration: NATURALLY ASPIRATED
  • SubModel: BASE
  • Engine Vin: T
  • CUI: 350
  • EngineType: V8 ( 5.7 L / 350 )

1978  BUICK CENTURY

  • Liter: 5
  • Aspiration: NATURALLY ASPIRATED
  • SubModel: LIMITED
  • Engine Vin: U
  • CUI: 305
  • EngineType: V8 ( 5 L / 305 )

1974  GMC G35/G3500 VAN

  • Liter: 5.7
  • Aspiration: NATURALLY ASPIRATED
  • SubModel: BASE
  • Engine Vin: W
  • CUI: 350
  • EngineType: V8 ( 5.7 L / 350 )

1968  CHEVROLET CHEVY II

  • Liter: 5
  • Aspiration: NATURALLY ASPIRATED
  • SubModel: NOVA
  • Engine Vin: ME
  • CUI: 307
  • EngineType: V8 ( 5 L / 307 )

1973  CHEVROLET LAGUNA

  • Liter: 5.7
  • Aspiration: NATURALLY ASPIRATED
  • SubModel: ESTATE
  • Engine Vin: T
  • CUI: 350
  • EngineType: V8 ( 5.7 L / 350 )

1970-1971  CHEVROLET MONTE CARLO

  • Liter: 5.7
  • Aspiration: NATURALLY ASPIRATED
  • SubModel: BASE
  • Engine Vin: -
  • CUI: 350
  • EngineType: V8 ( 5.7 L / 350 )

1970  CHEVROLET CHEVELLE

  • Liter: 6.6
  • Aspiration: NATURALLY ASPIRATED
  • SubModel: MALIBU
  • Engine Vin: -
  • CUI: 402
  • EngineType: V8 ( 6.6 L / 402 )

1973  GMC C25/C2500 PICKUP

  • Liter: 5
  • Aspiration: NATURALLY ASPIRATED
  • SubModel: BASE
  • Engine Vin: X
  • CUI: 307
  • EngineType: V8 ( 5 L / 307 )

1966-1968  CHEVROLET K10 PICKUP

  • Liter: 5.3
  • Aspiration: NATURALLY ASPIRATED
  • SubModel: BASE
  • Engine Vin: -
  • CUI: 327
  • EngineType: V8 ( 5.3 L / 327 )

1973-1974  GMC K25/K2500 SUBURBAN

  • Liter: 5.7
  • Aspiration: NATURALLY ASPIRATED
  • SubModel: BASE
  • Engine Vin: W
  • CUI: 350
  • EngineType: V8 ( 5.7 L / 350 )

1974  CHEVROLET MALIBU

  • Liter: 6.6
  • Aspiration: NATURALLY ASPIRATED
  • SubModel: CLASSIC
  • Engine Vin: R
  • CUI: 400
  • EngineType: V8 ( 6.6 L / 400 )

1968-1969  CHEVROLET C10 SUBURBAN

  • Liter: 5
  • Aspiration: NATURALLY ASPIRATED
  • SubModel: BASE
  • Engine Vin: E
  • CUI: 307
  • EngineType: V8 ( 5 L / 307 )

1969  CHEVROLET CHEVELLE

  • Liter: 5
  • Aspiration: NATURALLY ASPIRATED
  • SubModel: GREENBRIER
  • Engine Vin: DC
  • CUI: 307
  • EngineType: V8 ( 5 L / 307 )

1979  CHEVROLET CAMARO

  • Liter: 5
  • Aspiration: NATURALLY ASPIRATED
  • SubModel: Z28
  • Engine Vin: G
  • CUI: 305
  • EngineType: V8 ( 5 L / 305 )

1976-1978  GMC C25 SUBURBAN

  • Liter: 5.7
  • Aspiration: NATURALLY ASPIRATED
  • SubModel: HIGH SIERRA
  • Engine Vin: L
  • CUI: 350
  • EngineType: V8 ( 5.7 L / 350 )

1979-1986  GMC K3500

  • Liter: 5.7
  • Aspiration: NATURALLY ASPIRATED
  • SubModel: BASE
  • Engine Vin: M
  • CUI: 350
  • EngineType: V8 ( 5.7 L / 350 )

1974  GMC C25/C2500 SUBURBAN

  • Liter: 5.7
  • Aspiration: NATURALLY ASPIRATED
  • SubModel: BASE
  • Engine Vin: V
  • CUI: 350
  • EngineType: V8 ( 5.7 L / 350 )

1977-1978  CHEVROLET MALIBU

  • Liter: 5
  • Aspiration: NATURALLY ASPIRATED
  • SubModel: CLASSIC
  • Engine Vin: U
  • CUI: 305
  • EngineType: V8 ( 5 L / 305 )

1969-1971  CHEVROLET EL CAMINO

  • Liter: 5.7
  • Aspiration: NATURALLY ASPIRATED
  • SubModel: BASE
  • Engine Vin: -
  • CUI: 350
  • EngineType: V8 ( 5.7 L / 350 )

1973-1976  CHEVROLET EL CAMINO

  • Liter: 6.6
  • Aspiration: NATURALLY ASPIRATED
  • SubModel: SS
  • Engine Vin: U
  • CUI: 400
  • EngineType: V8 ( 6.6 L / 400 )

1972  CHEVROLET BROOKWOOD

  • Liter: 6.6
  • Aspiration: NATURALLY ASPIRATED
  • SubModel: BASE
  • Engine Vin: S
  • CUI: 402
  • EngineType: V8 ( 6.6 L / 402 )

1968-1969  CHEVROLET C30 PICKUP

  • Liter: 5
  • Aspiration: NATURALLY ASPIRATED
  • SubModel: BASE
  • Engine Vin: E
  • CUI: 307
  • EngineType: V8 ( 5 L / 307 )

1972  GMC SPRINT

  • Liter: 5.7
  • Aspiration: NATURALLY ASPIRATED
  • SubModel: BASE
  • Engine Vin: J
  • CUI: 350
  • EngineType: V8 ( 5.7 L / 350 )

1991-1992  CHEVROLET CAMARO

  • Liter: 5.7
  • Aspiration: NATURALLY ASPIRATED
  • SubModel: Z28
  • Engine Vin: 8
  • CUI: 350
  • EngineType: V8 ( 5.7 L / 350 )

1987-1988  CHEVROLET R20 SUBURBAN

  • Liter: 5.7
  • Aspiration: NATURALLY ASPIRATED
  • SubModel: SCOTTSDALE
  • Engine Vin: K
  • CUI: 350
  • EngineType: V8 ( 5.7 L / 350 )

1974-1975  CHEVROLET MALIBU

  • Liter: 5.7
  • Aspiration: NATURALLY ASPIRATED
  • SubModel: CLASSIC
  • Engine Vin: H
  • CUI: 350
  • EngineType: V8 ( 5.7 L / 350 )

1970  CHEVROLET C30 PICKUP

  • Liter: 5
  • Aspiration: NATURALLY ASPIRATED
  • SubModel: BASE
  • Engine Vin: A
  • CUI: 307
  • EngineType: V8 ( 5 L / 307 )

1972  CHEVROLET CHEVELLE

  • Liter: 5.7
  • Aspiration: NATURALLY ASPIRATED
  • SubModel: GREENBRIER
  • Engine Vin: K
  • CUI: 350
  • EngineType: V8 ( 5.7 L / 350 )

1981-1985  GMC JIMMY

  • Liter: 5
  • Aspiration: NATURALLY ASPIRATED
  • SubModel: HIGH SIERRA
  • Engine Vin: H
  • CUI: 305
  • EngineType: V8 ( 5 L / 305 )

1978  BUICK LESABRE

  • Liter: 5
  • Aspiration: NATURALLY ASPIRATED
  • SubModel: BASE
  • Engine Vin: U
  • CUI: 305
  • EngineType: V8 ( 5 L / 305 )

1974  GMC K35/K3500 PICKUP

  • Liter: 5.7
  • Aspiration: NATURALLY ASPIRATED
  • SubModel: BASE
  • Engine Vin: V
  • CUI: 350
  • EngineType: V8 ( 5.7 L / 350 )

1988-1992  CHEVROLET K2500

  • Liter: 5
  • Aspiration: NATURALLY ASPIRATED
  • SubModel: SCOTTSDALE
  • Engine Vin: H
  • CUI: 305
  • EngineType: V8 ( 5 L / 305 )

1981-1982  GMC C1500

  • Liter: 5
  • Aspiration: NATURALLY ASPIRATED
  • SubModel: SIERRA GRANDE
  • Engine Vin: H
  • CUI: 305
  • EngineType: V8 ( 5 L / 305 )

1968  CHEVROLET G20 VAN

  • Liter: 5
  • Aspiration: NATURALLY ASPIRATED
  • SubModel: BASE
  • Engine Vin: E
  • CUI: 307
  • EngineType: V8 ( 5 L / 307 )

1973  CHEVROLET LAGUNA

  • Liter: 5.7
  • Aspiration: NATURALLY ASPIRATED
  • SubModel: ESTATE
  • Engine Vin: K
  • CUI: 350
  • EngineType: V8 ( 5.7 L / 350 )

1969-1971  CHEVROLET BROOKWOOD

  • Liter: 5.7
  • Aspiration: NATURALLY ASPIRATED
  • SubModel: BASE
  • Engine Vin: -
  • CUI: 350
  • EngineType: V8 ( 5.7 L / 350 )

1972  CHEVROLET C20 SUBURBAN

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

1979-1986  GMC K3500

  • Liter: 5.7
  • Aspiration: NATURALLY ASPIRATED
  • SubModel: SIERRA CLASSIC
  • Engine Vin: M
  • CUI: 350
  • EngineType: V8 ( 5.7 L / 350 )

1979-1980  GMC C3500

  • Liter: 5.7
  • Aspiration: NATURALLY ASPIRATED
  • SubModel: HIGH SIERRA
  • Engine Vin: L
  • CUI: 350
  • EngineType: V8 ( 5.7 L / 350 )

1968  CHEVROLET K10 SUBURBAN

  • Liter: 5.3
  • Aspiration: NATURALLY ASPIRATED
  • SubModel: BASE
  • Engine Vin: -
  • CUI: 327
  • EngineType: V8 ( 5.3 L / 327 )

1973  CHEVROLET CAPRICE

  • Liter: 5.7
  • Aspiration: NATURALLY ASPIRATED
  • SubModel: CLASSIC
  • Engine Vin: K
  • CUI: 350
  • EngineType: V8 ( 5.7 L / 350 )

1964-1967  CHEVROLET CHEVELLE

  • Liter: 5.3
  • Aspiration: NATURALLY ASPIRATED
  • SubModel: BASE
  • Engine Vin: -
  • CUI: 327
  • EngineType: V8 ( 5.3 L / 327 )

1982-1986  CHEVROLET C20 SUBURBAN

  • Liter: 5
  • Aspiration: NATURALLY ASPIRATED
  • SubModel: SILVERADO
  • Engine Vin: H
  • CUI: 305
  • EngineType: V8 ( 5 L / 305 )

1974  CHEVROLET MONTE CARLO

  • Liter: 6.6
  • Aspiration: NATURALLY ASPIRATED
  • SubModel: LANDAU
  • Engine Vin: R
  • CUI: 400
  • EngineType: V8 ( 6.6 L / 400 )

1972-1973  CHEVROLET CAMARO

  • Liter: 5.7
  • Aspiration: NATURALLY ASPIRATED
  • SubModel: RS
  • Engine Vin: H
  • CUI: 350
  • EngineType: V8 ( 5.7 L / 350 )

1973-1974  CHEVROLET C10 SUBURBAN

  • Liter: 5.7
  • Aspiration: NATURALLY ASPIRATED
  • SubModel: BASE
  • Engine Vin: W
  • CUI: 350
  • EngineType: V8 ( 5.7 L / 350 )

1981-1982  CHEVROLET IMPALA

  • Liter: 5.7
  • Aspiration: NATURALLY ASPIRATED
  • SubModel: ESTATE
  • Engine Vin: N
  • CUI: 350
  • EngineType: V8 ( 5.7 L / 350 )

1973  GMC K15/K1500 SUBURBAN

  • Liter: 5
  • Aspiration: NATURALLY ASPIRATED
  • SubModel: BASE
  • Engine Vin: X
  • CUI: 307
  • EngineType: V8 ( 5 L / 307 )

1966-1968  CHEVROLET C20 PICKUP

  • Liter: 5.3
  • Aspiration: NATURALLY ASPIRATED
  • SubModel: BASE
  • Engine Vin: -
  • CUI: 327
  • EngineType: V8 ( 5.3 L / 327 )

1979-1980  GMC K1500

  • Liter: 6.6
  • Aspiration: NATURALLY ASPIRATED
  • SubModel: SIERRA GRANDE
  • Engine Vin: R
  • CUI: 400
  • EngineType: V8 ( 6.6 L / 400 )

1967  CHEVROLET CHEVELLE

  • Liter: 4.6
  • Aspiration: NATURALLY ASPIRATED
  • SubModel: 300 DELUXE
  • Engine Vin: -
  • CUI: 283
  • EngineType: V8 ( 4.6 L / 283 )

1968-1969  GMC K25/K2500 SUBURBAN

  • Liter: 5
  • Aspiration: NATURALLY ASPIRATED
  • SubModel: BASE
  • Engine Vin: E
  • CUI: 307
  • EngineType: V8 ( 5 L / 307 )

1972  CHEVROLET CAMARO

  • Liter: 5.7
  • Aspiration: NATURALLY ASPIRATED
  • SubModel: Z28
  • Engine Vin: K
  • CUI: 350
  • EngineType: V8 ( 5.7 L / 350 )

1970  CHEVROLET CHEVELLE

  • Liter: 6.6
  • Aspiration: NATURALLY ASPIRATED
  • SubModel: CONCOURS
  • Engine Vin: -
  • CUI: 400
  • EngineType: V8 ( 6.6 L / 400 )

1972-1973  GMC SPRINT

  • Liter: 5
  • Aspiration: NATURALLY ASPIRATED
  • SubModel: BASE
  • Engine Vin: F
  • CUI: 307
  • EngineType: V8 ( 5 L / 307 )

1974  CHEVROLET EL CAMINO

  • Liter: 5.7
  • Aspiration: NATURALLY ASPIRATED
  • SubModel: CUSTOM
  • Engine Vin: L
  • CUI: 350
  • EngineType: V8 ( 5.7 L / 350 )

1974  CHEVROLET NOVA

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

1969  CHEVROLET EL CAMINO

  • Liter: 5
  • Aspiration: NATURALLY ASPIRATED
  • SubModel: BASE
  • Engine Vin: DC
  • CUI: 307
  • EngineType: V8 ( 5 L / 307 )

1965  CHEVROLET CHEVELLE

  • Liter: 5.4
  • Aspiration: NATURALLY ASPIRATED
  • SubModel: DELUXE
  • Engine Vin: -
  • CUI: 327
  • EngineType: V8 ( 5.4 L / 327 )

1968-1969  CHEVROLET K10 PICKUP

  • Liter: 5
  • Aspiration: NATURALLY ASPIRATED
  • SubModel: BASE
  • Engine Vin: E
  • CUI: 307
  • EngineType: V8 ( 5 L / 307 )

1975  CHEVROLET MONZA

  • Liter: 4.3
  • Aspiration: NATURALLY ASPIRATED
  • SubModel: S
  • Engine Vin: G
  • CUI: 262
  • EngineType: V8 ( 4.3 L / 262 )

1977-1979  GMC JIMMY

  • Liter: 5
  • Aspiration: NATURALLY ASPIRATED
  • SubModel: SIERRA CLASSIC
  • Engine Vin: U
  • CUI: 305
  • EngineType: V8 ( 5 L / 305 )

1968  CHEVROLET CHEVELLE

  • Liter: 5
  • Aspiration: NATURALLY ASPIRATED
  • SubModel: CONCOURS
  • Engine Vin: -
  • CUI: 307
  • EngineType: V8 ( 5 L / 307 )

1955-1956  CHEVROLET BEL AIR

  • Liter: 4.3
  • Aspiration: NATURALLY ASPIRATED
  • SubModel: BEAUVILLE
  • Engine Vin: -
  • CUI: 265
  • EngineType: V8 ( 4.3 L / 265 )

1969  GMC C15/C1500 SUBURBAN

  • Liter: 5
  • Aspiration: NATURALLY ASPIRATED
  • SubModel: BASE
  • Engine Vin: U
  • CUI: 307
  • EngineType: V8 ( 5 L / 307 )

1987-1988  CHEVROLET V20 SUBURBAN

  • Liter: 5.7
  • Aspiration: NATURALLY ASPIRATED
  • SubModel: SCOTTSDALE
  • Engine Vin: K
  • CUI: 350
  • EngineType: V8 ( 5.7 L / 350 )

1972-1974  CHEVROLET IMPALA

  • Liter: 5.7
  • Aspiration: NATURALLY ASPIRATED
  • SubModel: BASE
  • Engine Vin: K
  • CUI: 350
  • EngineType: V8 ( 5.7 L / 350 )

1972  CHEVROLET K10 PICKUP

  • Liter: 5.7
  • Aspiration: NATURALLY ASPIRATED
  • SubModel: BASE
  • Engine Vin: J
  • CUI: 350
  • EngineType: V8 ( 5.7 L / 350 )

1979  CHEVROLET CORVETTE

  • Liter: 5.7
  • Aspiration: NATURALLY ASPIRATED
  • SubModel: BASE
  • Engine Vin: 4
  • CUI: 350
  • EngineType: V8 ( 5.7 L / 350 )

1976-1978  GMC C25 SUBURBAN

  • Liter: 5.7
  • Aspiration: NATURALLY ASPIRATED
  • SubModel: SIERRA GRANDE
  • Engine Vin: L
  • CUI: 350
  • EngineType: V8 ( 5.7 L / 350 )

1980  CHEVROLET C10 SUBURBAN

  • Liter: 5.7
  • Aspiration: NATURALLY ASPIRATED
  • SubModel: CUSTOM DELUXE
  • Engine Vin: M
  • CUI: 350
  • EngineType: V8 ( 5.7 L / 350 )

1974  GMC C35/C3500 PICKUP

  • Liter: 5.7
  • Aspiration: NATURALLY ASPIRATED
  • SubModel: BASE
  • Engine Vin: W
  • CUI: 350
  • EngineType: V8 ( 5.7 L / 350 )

1975  GMC SPRINT

  • Liter: 6.6
  • Aspiration: NATURALLY ASPIRATED
  • SubModel: CLASSIC
  • Engine Vin: M
  • CUI: 400
  • EngineType: V8 ( 6.6 L / 400 )

1977-1978  GMC K25 SUBURBAN

  • Liter: 6.6
  • Aspiration: NATURALLY ASPIRATED
  • SubModel: HIGH SIERRA
  • Engine Vin: R
  • CUI: 400
  • EngineType: V8 ( 6.6 L / 400 )

1976  CHEVROLET MONZA

  • Liter: 5
  • Aspiration: NATURALLY ASPIRATED
  • SubModel: 2+2
  • Engine Vin: Q
  • CUI: 305
  • EngineType: V8 ( 5 L / 305 )

1977-1978  GMC C15 SUBURBAN

  • Liter: 5
  • Aspiration: NATURALLY ASPIRATED
  • SubModel: BASE
  • Engine Vin: U
  • CUI: 305
  • EngineType: V8 ( 5 L / 305 )

1970  CHEVROLET C20 PICKUP

  • Liter: 5
  • Aspiration: NATURALLY ASPIRATED
  • SubModel: BASE
  • Engine Vin: B
  • CUI: 307
  • EngineType: V8 ( 5 L / 307 )

1994  CHEVROLET BLAZER

  • Liter: 5.7
  • Aspiration: NATURALLY ASPIRATED
  • SubModel: BASE
  • Engine Vin: K
  • CUI: 350
  • EngineType: V8 ( 5.7 L / 350 )

1971  GMC G35/G3500 VAN

  • Liter: 5.7
  • Aspiration: NATURALLY ASPIRATED
  • SubModel: RALLY
  • Engine Vin: E
  • CUI: 350
  • EngineType: V8 ( 5.7 L / 350 )

are the stock injectors big enough

Asked by: cewert
Yes if 1987-98 Computer Controlled Best in 305 or 350 Tuned Port Injected engines
Answered by: SteveM
Date published: 2020-04-25
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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.