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Holley Billet Mechanical Fuel Pump Small Block Chevy

510-12-327-25

made in usa

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Holley 12-327-25
$343.95
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Billet Mechanical Fuel Pump
  • Small Block Chevy
  • HP-Series
  • Free Shipping - Ships
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    1987-1988  GMC V3500

    • Fitment_Note: Free Flow GPH 170; Free Flow LPH 644; Gasoline; 8 AN Male Inlet/Outlet; Silver
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: HIGH SIERRA
    • Engine Vin: M
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1965-1966  CHEVROLET CHEVY II

    • Fitment_Note: Free Flow GPH 170; Free Flow LPH 644; Gasoline; 8 AN Male Inlet/Outlet; Silver
    • Liter: 5.4
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: NOVA SS
    • Engine Vin: -
    • CUI: 327
    • EngineType: V8 ( 5.4 L / 327 )

    1955-1957  CHEVROLET TWO-TEN SERIES

    • Fitment_Note: Free Flow GPH 170; Free Flow LPH 644; Gasoline; 8 AN Male Inlet/Outlet; Silver
    • Liter: 4.3
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: DEL RAY
    • Engine Vin: -
    • CUI: 265
    • EngineType: V8 ( 4.3 L / 265 )

    1971  CHEVROLET K20 SUBURBAN

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

    1973-1974  CHEVROLET CAPRICE

    • Fitment_Note: Free Flow GPH 170; Free Flow LPH 644; Gasoline; 8 AN Male Inlet/Outlet; Silver
    • Liter: 6.6
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: ESTATE
    • Engine Vin: R
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1975-1976  CHEVROLET C30

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

    1965-1967  CHEVROLET CHEVELLE

    • Fitment_Note: Free Flow GPH 170; Free Flow LPH 644; Gasoline; 8 AN Male Inlet/Outlet; Silver
    • Liter: 4.6
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: DELUXE
    • Engine Vin: -
    • CUI: 283
    • EngineType: V8 ( 4.6 L / 283 )

    1968-1969  CHEVROLET K30 PICKUP

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

    1975  GMC JIMMY

    • Fitment_Note: Free Flow GPH 170; Free Flow LPH 644; Gasoline; 8 AN Male Inlet/Outlet; Silver
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: HIGH SIERRA
    • Engine Vin: Y
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1956  CHEVROLET BEL AIR

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

    1968-1969  CHEVROLET K10 PICKUP

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

    1971  GMC SPRINT

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

    1980  CHEVROLET K10

    • Fitment_Note: Free Flow GPH 170; Free Flow LPH 644; Gasoline; 8 AN Male Inlet/Outlet; Silver
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: CUSTOM DELUXE
    • Engine Vin: M
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1971  CHEVROLET K20 SUBURBAN

    • Fitment_Note: Free Flow GPH 170; Free Flow LPH 644; Gasoline; 8 AN Male Inlet/Outlet; Silver
    • Liter: 5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: P
    • CUI: 307
    • EngineType: V8 ( 5 L / 307 )

    1973-1974  CHEVROLET CAPRICE

    • Fitment_Note: Free Flow GPH 170; Free Flow LPH 644; Gasoline; 8 AN Male Inlet/Outlet; Silver
    • Liter: 6.6
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: ESTATE
    • Engine Vin: U
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1977-1978  PONTIAC GRAND LEMANS

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

    1979  GMC K2500

    • Fitment_Note: Free Flow GPH 170; Free Flow LPH 644; Gasoline; 8 AN Male Inlet/Outlet; Silver
    • Liter: 6.6
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: R
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1975-1976  CHEVROLET G10

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

    1957-1961  CHEVROLET CORVETTE

    • Fitment_Note: Free Flow GPH 170; Free Flow LPH 644; Gasoline; 8 AN Male Inlet/Outlet; Silver
    • Liter: 4.6
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: -
    • CUI: 283
    • EngineType: V8 ( 4.6 L / 283 )

    1975-1976  CHEVROLET CAPRICE

    • Fitment_Note: Free Flow GPH 170; Free Flow LPH 644; Gasoline; 8 AN Male Inlet/Outlet; Silver
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: CLASSIC SPORT
    • Engine Vin: L
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1968-1969  CHEVROLET K30 PICKUP

    • Fitment_Note: Free Flow GPH 170; Free Flow LPH 644; Gasoline; 8 AN Male Inlet/Outlet; Silver
    • Liter: 5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: E
    • CUI: 307
    • EngineType: V8 ( 5 L / 307 )

    1975-1976  CHEVROLET CAPRICE

    • Fitment_Note: Free Flow GPH 170; Free Flow LPH 644; Gasoline; 8 AN Male Inlet/Outlet; Silver
    • Liter: 6.6
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: CLASSIC SPORT
    • Engine Vin: U
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1975  GMC JIMMY

    • Fitment_Note: Free Flow GPH 170; Free Flow LPH 644; Gasoline; 8 AN Male Inlet/Outlet; Silver
    • Liter: 6.6
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SIERRA CLASSIC
    • Engine Vin: M
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1973  CHEVROLET NOVA

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

    1968-1969  CHEVROLET K10 SUBURBAN

    • Fitment_Note: Free Flow GPH 170; Free Flow LPH 644; Gasoline; 8 AN Male Inlet/Outlet; Silver
    • Liter: 5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: E
    • CUI: 307
    • EngineType: V8 ( 5 L / 307 )

    1971  GMC SPRINT

    • Fitment_Note: Free Flow GPH 170; Free Flow LPH 644; Gasoline; 8 AN Male Inlet/Outlet; Silver
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: -
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1969-1971  CHEVROLET CHEVELLE

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

    1968-1969  CHEVROLET K20 PICKUP

    • Fitment_Note: Free Flow GPH 170; Free Flow LPH 644; Gasoline; 8 AN Male Inlet/Outlet; Silver
    • Liter: 5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: E
    • CUI: 307
    • EngineType: V8 ( 5 L / 307 )

    1980  CHEVROLET K10

    • Fitment_Note: Free Flow GPH 170; Free Flow LPH 644; Gasoline; 8 AN Male Inlet/Outlet; Silver
    • Liter: 6.6
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SILVERADO
    • Engine Vin: X
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1986  CHEVROLET G10

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

    1971  CHEVROLET K20 SUBURBAN

    • Fitment_Note: Free Flow GPH 170; Free Flow LPH 644; Gasoline; 8 AN Male Inlet/Outlet; Silver
    • Liter: 5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: H
    • CUI: 307
    • EngineType: V8 ( 5 L / 307 )

    1985  CHEVROLET K20

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

    1970-1971  CHEVROLET BISCAYNE

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

    1976-1978  GMC K15 SUBURBAN

    • Fitment_Note: Free Flow GPH 170; Free Flow LPH 644; Gasoline; 8 AN Male Inlet/Outlet; Silver
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SIERRA GRANDE
    • Engine Vin: L
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1968-1969  CHEVROLET K30 PICKUP

    • Fitment_Note: Free Flow GPH 170; Free Flow LPH 644; Gasoline; 8 AN Male Inlet/Outlet; Silver
    • Liter: 5.3
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: -
    • CUI: 327
    • EngineType: V8 ( 5.3 L / 327 )

    1982  CHEVROLET K10

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

    1979  OLDSMOBILE CUTLASS

    • Fitment_Note: Free Flow GPH 170; Free Flow LPH 644; Gasoline; 8 AN Male Inlet/Outlet; Silver
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: VISTA CRUISER
    • Engine Vin: N
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1975-1976  CHEVROLET G30

    • Fitment_Note: Free Flow GPH 170; Free Flow LPH 644; Gasoline; 8 AN Male Inlet/Outlet; Silver
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BEAUVILLE
    • Engine Vin: V
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1977-1979  CHEVROLET K5 BLAZER

    • Fitment_Note: Free Flow GPH 170; Free Flow LPH 644; Gasoline; 8 AN Male Inlet/Outlet; Silver
    • Liter: 6.6
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: CUSTOM DELUXE
    • Engine Vin: R
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1980  CHEVROLET C20

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

    1957-1967  CHEVROLET BEL AIR

    • Fitment_Note: Free Flow GPH 170; Free Flow LPH 644; Gasoline; 8 AN Male Inlet/Outlet; Silver
    • Liter: 4.6
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: -
    • CUI: 283
    • EngineType: V8 ( 4.6 L / 283 )

    1975-1976  CHEVROLET G20

    • Fitment_Note: Free Flow GPH 170; Free Flow LPH 644; Gasoline; 8 AN Male Inlet/Outlet; Silver
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: CHEVY VAN
    • Engine Vin: V
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1980  GMC C1500

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

    1975-1976  CHEVROLET G10

    • Fitment_Note: Free Flow GPH 170; Free Flow LPH 644; Gasoline; 8 AN Male Inlet/Outlet; Silver
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BEAUVILLE
    • Engine Vin: V
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1958  CHEVROLET DEL RAY

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

    1976  CHEVROLET IMPALA

    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SPORT
    • Engine Vin: V
    • 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 )

    1973  CHEVROLET G10 VAN

    • Fitment_Note: Free Flow GPH 170; Free Flow LPH 644; Gasoline; 8 AN Male Inlet/Outlet; Silver
    • Liter: 5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: X
    • CUI: 307
    • EngineType: V8 ( 5 L / 307 )

    1973-1974  CHEVROLET K20 SUBURBAN

    • Fitment_Note: Free Flow GPH 170; Free Flow LPH 644; Gasoline; 8 AN Male Inlet/Outlet; Silver
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: Y
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1976-1978  GMC K15

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

    1956  CHEVROLET BEL AIR

    • Fitment_Note: Free Flow GPH 170; Free Flow LPH 644; Gasoline; 8 AN Male Inlet/Outlet; Silver
    • Liter: 4.3
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BEAUVILLE
    • Engine Vin: -
    • CUI: 265
    • EngineType: V8 ( 4.3 L / 265 )

    1955-1957  CHEVROLET TRUCK

    • Fitment_Note: Free Flow GPH 170; Free Flow LPH 644; Gasoline; 8 AN Male Inlet/Outlet; Silver
    • Liter: 4.3
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: 3600
    • Engine Vin: -
    • CUI: 265
    • EngineType: V8 ( 4.3 L / 265 )

    1968-1969  CHEVROLET K20 PICKUP

    • Fitment_Note: Free Flow GPH 170; Free Flow LPH 644; Gasoline; 8 AN Male Inlet/Outlet; Silver
    • Liter: 5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: E
    • CUI: 307
    • EngineType: V8 ( 5 L / 307 )

    1967  CHEVROLET CHEVELLE

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

    1980  CHEVROLET K20 SUBURBAN

    • Fitment_Note: Free Flow GPH 170; Free Flow LPH 644; Gasoline; 8 AN Male Inlet/Outlet; Silver
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: CUSTOM DELUXE
    • Engine Vin: M
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1972  CHEVROLET CHEVELLE

    • Fitment_Note: Free Flow GPH 170; Free Flow LPH 644; Gasoline; 8 AN Male Inlet/Outlet; Silver
    • Liter: 5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: F
    • CUI: 307
    • EngineType: V8 ( 5 L / 307 )

    1972-1974  CHEVROLET EL CAMINO

    • Fitment_Note: Free Flow GPH 170; Free Flow LPH 644; Gasoline; 8 AN Male Inlet/Outlet; Silver
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SS
    • Engine Vin: H
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1971  CHEVROLET K30 PICKUP

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

    1976  CHEVROLET G30

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

    1985  CHEVROLET K30

    • Fitment_Note: Free Flow GPH 170; Free Flow LPH 644; Gasoline; 8 AN Male Inlet/Outlet; Silver
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SILVERADO
    • Engine Vin: L
    • 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 )

    1972-1974  CHEVROLET MONTE CARLO

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

    1971  CHEVROLET K30 PICKUP

    • Fitment_Note: Free Flow GPH 170; Free Flow LPH 644; Gasoline; 8 AN Male Inlet/Outlet; Silver
    • Liter: 5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: H
    • CUI: 307
    • EngineType: V8 ( 5 L / 307 )

    1982  CHEVROLET K30

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

    1976-1978  GMC K15

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

    1979  OLDSMOBILE STARFIRE

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

    1979  CHEVROLET MONZA

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

    1972  CHEVROLET CHEVELLE

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

    1984-1986  CHEVROLET C20 SUBURBAN

    • Fitment_Note: Free Flow GPH 170; Free Flow LPH 644; Gasoline; 8 AN Male Inlet/Outlet; Silver
    • Liter: 5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SCOTTSDALE
    • Engine Vin: H
    • CUI: 305
    • EngineType: V8 ( 5 L / 305 )

    1975-1976  CHEVROLET K10 SUBURBAN

    • Fitment_Note: Free Flow GPH 170; Free Flow LPH 644; Gasoline; 8 AN Male Inlet/Outlet; Silver
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SCOTTSDALE
    • Engine Vin: V
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1974  CHEVROLET EL CAMINO

    • Fitment_Note: Free Flow GPH 170; Free Flow LPH 644; Gasoline; 8 AN Male Inlet/Outlet; Silver
    • Liter: 6.6
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SS
    • Engine Vin: U
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1977-1979  GMC JIMMY

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

    1980  CHEVROLET C20

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

    1971  CHEVROLET CHEVELLE

    • Fitment_Note: Free Flow GPH 170; Free Flow LPH 644; Gasoline; 8 AN Male Inlet/Outlet; Silver
    • Liter: 6.6
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SS
    • Engine Vin: -
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1980  CHEVROLET K10

    • Fitment_Note: Free Flow GPH 170; Free Flow LPH 644; Gasoline; 8 AN Male Inlet/Outlet; Silver
    • Liter: 6.6
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SCOTTSDALE
    • Engine Vin: X
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1979  CHEVROLET CAPRICE

    • Fitment_Note: Free Flow GPH 170; Free Flow LPH 644; Gasoline; 8 AN Male Inlet/Outlet; Silver
    • Liter: 5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: CLASSIC
    • Engine Vin: G
    • CUI: 305
    • EngineType: V8 ( 5 L / 305 )

    1970  CHEVROLET K20 SUBURBAN

    • Fitment_Note: Free Flow GPH 170; Free Flow LPH 644; Gasoline; 8 AN Male Inlet/Outlet; Silver
    • Liter: 5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: A
    • CUI: 307
    • EngineType: V8 ( 5 L / 307 )

    1958  CHEVROLET DEL RAY

    • Fitment_Note: Free Flow GPH 170; Free Flow LPH 644; Gasoline; 8 AN Male Inlet/Outlet; Silver
    • Liter: 4.6
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: -
    • CUI: 283
    • EngineType: V8 ( 4.6 L / 283 )

    1981-1986  GMC G1500

    • Fitment_Note: Free Flow GPH 170; Free Flow LPH 644; Gasoline; 8 AN Male Inlet/Outlet; Silver
    • Liter: 5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: RALLY
    • Engine Vin: H
    • CUI: 305
    • EngineType: V8 ( 5 L / 305 )

    1975-1976  CHEVROLET G30

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

    1971  CHEVROLET K10 SUBURBAN

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

    1985  CHEVROLET G30

    • Fitment_Note: Free Flow GPH 170; Free Flow LPH 644; Gasoline; 8 AN Male Inlet/Outlet; Silver
    • Liter: 5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: CHEVY VAN
    • Engine Vin: F
    • CUI: 305
    • EngineType: V8 ( 5 L / 305 )

    1973  CHEVROLET LAGUNA

    • Fitment_Note: Free Flow GPH 170; Free Flow LPH 644; Gasoline; 8 AN Male Inlet/Outlet; Silver
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: ESTATE
    • Engine Vin: J
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1977-1978  CHEVROLET CAMARO

    • Fitment_Note: Free Flow GPH 170; Free Flow LPH 644; Gasoline; 8 AN Male Inlet/Outlet; Silver
    • Liter: 5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: U
    • CUI: 305
    • EngineType: V8 ( 5 L / 305 )

    1980  GMC C1500

    • Fitment_Note: Free Flow GPH 170; Free Flow LPH 644; Gasoline; 8 AN Male Inlet/Outlet; Silver
    • Liter: 6.6
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SIERRA GRANDE
    • Engine Vin: X
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1970-1971  CHEVROLET IMPALA

    • Fitment_Note: Free Flow GPH 170; Free Flow LPH 644; Gasoline; 8 AN Male Inlet/Outlet; Silver
    • Liter: 6.6
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: -
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1978-1979  CHEVROLET C30

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

    1970  CHEVROLET C30 PICKUP

    • Fitment_Note: Free Flow GPH 170; Free Flow LPH 644; Gasoline; 8 AN Male Inlet/Outlet; Silver
    • Liter: 5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: B
    • CUI: 307
    • EngineType: V8 ( 5 L / 307 )

    1977-1980  CHEVROLET G20

    • Fitment_Note: Free Flow GPH 170; Free Flow LPH 644; Gasoline; 8 AN Male Inlet/Outlet; Silver
    • Liter: 6.6
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SPORTVAN
    • Engine Vin: R
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1970  GMC G15/G1500 VAN

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

    1958-1967  CHEVROLET BISCAYNE

    • Fitment_Note: Free Flow GPH 170; Free Flow LPH 644; Gasoline; 8 AN Male Inlet/Outlet; Silver
    • Liter: 4.6
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: -
    • CUI: 283
    • EngineType: V8 ( 4.6 L / 283 )

    1976  CHEVROLET K10

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

    1980  OLDSMOBILE CUTLASS CRUISER

    • Fitment_Note: Free Flow GPH 170; Free Flow LPH 644; Gasoline; 8 AN Male Inlet/Outlet; Silver
    • Liter: 5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: H
    • CUI: 305
    • EngineType: V8 ( 5 L / 305 )

    1977-1978  CHEVROLET P10

    • Fitment_Note: Free Flow GPH 170; Free Flow LPH 644; Gasoline; 8 AN Male Inlet/Outlet; Silver
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: L
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1982-1983  CHEVROLET C10

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

    1976-1978  GMC G35

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

    1973  CHEVROLET K10 SUBURBAN

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

    1976-1977  CHEVROLET NOVA

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

    1979  GMC K2500

    • Fitment_Note: Free Flow GPH 170; Free Flow LPH 644; Gasoline; 8 AN Male Inlet/Outlet; Silver
    • Liter: 6.6
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SIERRA CLASSIC
    • Engine Vin: R
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1974  CHEVROLET K10 SUBURBAN

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

    Can the -8AN fittings be replaced with an alternate fitting? If so, what is the fitting dimensions on the pump (e.g. 1/2" NPT)?

    Asked by: MyVette
    This has -8an straight thread with an o-ring as the pump inlet.
    Answered by: Rusty B
    Date published: 2017-10-05
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