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COMP Cams 503-1

Positive Stop PTFE Seal Guide Size: .530"

COMP Cams 503-1
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Product images may differ from actual product appearance.

249-503-1

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COMP Cams 503-1 Positive Stop PTFE Seal Guide Size: .530" $1.99
Positive Stop PTFE Seal
  • Guide Size: .530''
  • Valve Size: 11/32''
  • 1/pkg

  • COMP Cams 503-1 Details

    Positive Stop PTFE Seals

  • 1 Year Limited Warranty

  • Specifications:

    Diameter (in.)
    0.34375
    Machine Work Required
    Yes
    Quantity
    Sold individually
    Valve Guide Diameter (in.)
    0.53
    Valve Stem Diameter (in.)
    0.344
    Valve Stem Seal Material
    PTFE
    Valve Stem Seal Type
    Positive stop
    Manufacturer's Part Number:
    503-1

    Comp Cams offers a complete line of valve stem seals, from the stock GM O-ring to the positive stop PTFE seal. These seals are a must to keep unwanted oil from entering the combustion chamber through the clearance in the valve guides. O-ring seals use the standard retainer and oil splash shield. Umbrella seals are normally used when a larger-than-stock diameter spring is used; in the case of a double spring, positive stop PTFE seals are used. There is also a smaller diameter Viton seal available for triple spring applications. O-rings and umbrella seals require no machining, but PTFE seals require the heads to be disassembled so the top guides can be machined with a special .530" diameter cutter. Whenever you're planning an overhaul or cam change, don't forget the valve seals!

    Features:
  • Excellent Sealing Properties
  • O-Ring & Umbrella Seals Require No Machining

  • Does COMP Cams 503-1 fit your vehicle?

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    1969 PONTIAC LEMANS

    • Fitment_Note: Requires Machining On Cylinder Heads~50-State Legal
    • Liter: 7.0
    • SubModel: SAFARI
    • CUI: 428
    • EngineType: V8 ( 7.0 L / 428 )

    1971 FORD RANCHERO

    • CC: 7014
    • Fitment_Note: Requires Machining On Cylinder Heads~50-State Legal
    • Liter: 7.0
    • SubModel: BASE
    • CUI: 428
    • EngineType: V8 ( 7.0 L / 428 )

    1970-1974 MERCURY MONTEGO

    • CC: 4949
    • Fitment_Note: Requires Machining On Cylinder Heads~50-State Legal
    • Liter: 5.0
    • SubModel: MX
    • CUI: 302
    • EngineType: V8 ( 5.0 L / 302 )

    1975-1978 FORD MUSTANG II

    • Fitment_Note: Requires Machining On Cylinder Heads~50-State Legal
    • Liter: 5.0
    • SubModel: GHIA
    • CUI: 302
    • EngineType: V8 ( 5.0 L / 302 )

    1969 MERCURY CYCLONE

    • Fitment_Note: Requires Machining On Cylinder Heads~50-State Legal
    • Liter: 5.0
    • SubModel: CJ
    • CUI: 302
    • EngineType: V8 ( 5.0 L / 302 )

    1971 FORD MUSTANG

    • CC: 4949
    • Fitment_Note: Requires Machining On Cylinder Heads~50-State Legal
    • Liter: 5.0
    • SubModel: MACH I
    • CUI: 302
    • EngineType: V8 ( 5.0 L / 302 )

    1976-1978 FORD F-100

    • CC: 4949
    • Fitment_Note: Requires Machining On Cylinder Heads~50-State Legal
    • Liter: 5.0
    • Aspiration: N
    • SubModel: BASE
    • Engine Vin: G
    • CUI: 302
    • EngineType: V8 ( 5.0 L / 302 )

    1985 OLDSMOBILE CALAIS

    • CC: 2474
    • Fitment_Note: Requires Machining On Cylinder Heads~50-State Legal
    • Liter: 2.5
    • SubModel: 500
    • CUI: 151
    • EngineType: L4 ( 2.5 L / 151 )

    1970-1971 PONTIAC BONNEVILLE

    • CC: 6555
    • Fitment_Note: Requires Machining On Cylinder Heads~50-State Legal
    • Liter: 6.6
    • SubModel: BASE
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1975 OLDSMOBILE DELTA 88

    • Fitment_Note: Requires Machining On Cylinder Heads~50-State Legal
    • Liter: 7.5
    • SubModel: BASE
    • CUI: 455
    • EngineType: V8 ( 7.5 L / 455 )

    1986-1990 FORD F-350

    • Fitment_Note: Requires Machining On Cylinder Heads~50-State Legal
    • Liter: 7.5
    • SubModel: XL
    • CUI: 460
    • EngineType: V8 ( 7.5 L / 460 )

    1988 CHEVROLET R30 PICKUP

    • Fitment_Note: Requires Machining On Cylinder Heads~50-State Legal
    • Liter: 5.7
    • SubModel: CHEYENNE
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1975-1977 MERCURY MONARCH

    • Fitment_Note: Requires Machining On Cylinder Heads~50-State Legal
    • Liter: 5.0
    • SubModel: GHIA
    • CUI: 302
    • EngineType: V8 ( 5.0 L / 302 )

    1994-1995 FORD BRONCO

    • Fitment_Note: Requires Machining On Cylinder Heads~50-State Legal
    • Liter: 5.8
    • SubModel: XLT
    • CUI: 351
    • EngineType: V8 ( 5.8 L / 351 )

    1987-1994 CHEVROLET G30 VAN

    • Fitment_Note: Requires Machining On Cylinder Heads~50-State Legal
    • Liter: 5.7
    • SubModel: HI-CUBE
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1987 OLDSMOBILE CUTLASS CRUISER

    • CC: 2474
    • Fitment_Note: Requires Machining On Cylinder Heads~50-State Legal
    • Liter: 2.5
    • SubModel: BROUGHAM
    • CUI: 151
    • EngineType: L4 ( 2.5 L / 151 )

    1968-1971 PONTIAC LEMANS

    • CC: 6555
    • Fitment_Note: Requires Machining On Cylinder Heads~50-State Legal
    • Liter: 6.6
    • SubModel: BASE
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1987-1995 CHEVROLET G20 VAN

    • Fitment_Note: Requires Machining On Cylinder Heads~50-State Legal
    • Liter: 5.7
    • SubModel: CHEVY VAN
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1977-1979 FORD F-150

    • Fitment_Note: Requires Machining On Cylinder Heads~50-State Legal
    • Liter: 6.6
    • SubModel: RANGER XLT
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1971 PONTIAC CATALINA

    • CC: 7456
    • Fitment_Note: Requires Machining On Cylinder Heads~50-State Legal
    • Liter: 7.5
    • SubModel: SAFARI
    • CUI: 455
    • EngineType: V8 ( 7.5 L / 455 )

    1971 FORD TORINO

    • CC: 4949
    • Fitment_Note: Requires Machining On Cylinder Heads~50-State Legal
    • Liter: 5.0
    • SubModel: 500
    • CUI: 302
    • EngineType: V8 ( 5.0 L / 302 )

    1984-1986 FORD E-350 ECONOLINE

    • Fitment_Note: Requires Machining On Cylinder Heads~50-State Legal
    • Liter: 5.8
    • SubModel: BASE
    • CUI: 351
    • EngineType: V8 ( 5.8 L / 351 )

    1971 FORD MUSTANG

    • CC: 7030
    • Fitment_Note: Requires Machining On Cylinder Heads~50-State Legal
    • Liter: 7.0
    • SubModel: GRANDE
    • CUI: 429
    • EngineType: V8 ( 7.0 L / 429 )

    1975 PONTIAC LEMANS

    • Fitment_Note: Requires Machining On Cylinder Heads~50-State Legal
    • EngineType: ALL
    • SubModel: SAFARI

    1977 PONTIAC LEMANS

    • Fitment_Note: Requires Machining On Cylinder Heads~50-State Legal
    • Liter: 4.9
    • SubModel: BASE
    • CUI: 301
    • EngineType: V8 ( 4.9 L / 301 )

    1961 PONTIAC VENTURA

    • CC: 6376
    • Fitment_Note: Requires Machining On Cylinder Heads~50-State Legal
    • Liter: 6.4
    • SubModel: BASE
    • CUI: 389
    • EngineType: V8 ( 6.4 L / 389 )

    1995 FORD F-250

    • Fitment_Note: Requires Machining On Cylinder Heads~50-State Legal
    • Liter: 5.8
    • SubModel: SPECIAL
    • CUI: 351
    • EngineType: V8 ( 5.8 L / 351 )

    1975 OLDSMOBILE 98

    • Liter: 6.6
    • SubModel: LUXURY
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1978-1980 PONTIAC GRAND AM

    • Fitment_Note: Requires Machining On Cylinder Heads~50-State Legal
    • Liter: 4.9
    • SubModel: BASE
    • CUI: 301
    • EngineType: V8 ( 4.9 L / 301 )

    1975 FORD E-250 ECONOLINE

    • Fitment_Note: Requires Machining On Cylinder Heads~50-State Legal
    • Liter: 5.0
    • SubModel: BASE
    • CUI: 302
    • EngineType: V8 ( 5.0 L / 302 )

    1966 PONTIAC CATALINA

    • Fitment_Note: Requires Machining On Cylinder Heads~50-State Legal
    • EngineType: ALL
    • SubModel: 2+2

    1977 OLDSMOBILE CUTLASS

    • Fitment_Note: Requires Machining On Cylinder Heads~50-State Legal
    • Liter: 6.6
    • SubModel: COLONNADE S
    • CUI: 403
    • EngineType: V8 ( 6.6 L / 403 )

    1976 OLDSMOBILE TORONADO

    • Fitment_Note: Requires Machining On Cylinder Heads~50-State Legal
    • EngineType: ALL
    • SubModel: BROUGHAM

    1982 FORD F-150

    • Fitment_Note: Requires Machining On Cylinder Heads~50-State Legal
    • Liter: 5.0
    • SubModel: XLT LARIAT
    • CUI: 302
    • EngineType: V8 ( 5.0 L / 302 )

    1975-1982 FORD E-150 ECONOLINE

    • Fitment_Note: Requires Machining On Cylinder Heads~50-State Legal
    • Liter: 5.8
    • SubModel: CHATEAU
    • CUI: 351
    • EngineType: V8 ( 5.8 L / 351 )

    1989 CHEVROLET R1500 SUBURBAN

    • Fitment_Note: Requires Machining On Cylinder Heads~50-State Legal
    • Liter: 5.7
    • SubModel: SILVERADO
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1977 OLDSMOBILE CUTLASS SUPREME

    • Fitment_Note: Requires Machining On Cylinder Heads~50-State Legal
    • Liter: 6.6
    • SubModel: BASE
    • CUI: 403
    • EngineType: V8 ( 6.6 L / 403 )

    1980-1989 FORD BRONCO

    • Fitment_Note: Requires Machining On Cylinder Heads~50-State Legal
    • Liter: 5.8
    • SubModel: CUSTOM
    • CUI: 351
    • EngineType: V8 ( 5.8 L / 351 )

    1987 CHEVROLET R20 PICKUP

    • CC: 5031
    • Fitment_Note: Requires Machining On Cylinder Heads~50-State Legal
    • Liter: 5.0
    • SubModel: SCOTTSDALE
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1988-1992 CHEVROLET K3500 PICKUP

    • Fitment_Note: Requires Machining On Cylinder Heads~50-State Legal
    • Liter: 5.7
    • SubModel: SCOTTSDALE
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1969 PONTIAC TEMPEST

    • Fitment_Note: Requires Machining On Cylinder Heads~50-State Legal
    • Liter: 7.0
    • SubModel: CUSTOM
    • CUI: 428
    • EngineType: V8 ( 7.0 L / 428 )

    1968 OLDSMOBILE CUTLASS

    • CC: 6555
    • Fitment_Note: Requires Machining On Cylinder Heads~50-State Legal
    • Liter: 6.6
    • SubModel: BASE
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1978-1980 PONTIAC BONNEVILLE

    • Fitment_Note: Requires Machining On Cylinder Heads~50-State Legal
    • Liter: 5.7
    • Aspiration: N
    • SubModel: SAFARI
    • Engine Vin: R
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1978-1980 OLDSMOBILE STARFIRE

    • CC: 2474
    • Fitment_Note: Requires Machining On Cylinder Heads~50-State Legal
    • Liter: 2.5
    • SubModel: FIRENZA
    • CUI: 151
    • EngineType: L4 ( 2.5 L / 151 )

    1980-1981 BUICK SKYLARK

    • CC: 2474
    • Fitment_Note: Requires Machining On Cylinder Heads~50-State Legal
    • Liter: 2.5
    • SubModel: SPORT
    • CUI: 151
    • EngineType: L4 ( 2.5 L / 151 )

    1974 CHEVROLET NOVA

    • CC: 5737
    • Liter: 5.7
    • Aspiration: N
    • SubModel: BASE
    • Engine Vin: H
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1972-1974 MERCURY MONTEGO

    • CC: 6556
    • Fitment_Note: Requires Machining On Cylinder Heads~50-State Legal
    • Liter: 6.6
    • SubModel: VILLAGER
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1994-1995 CHEVROLET K2500 PICKUP

    • Fitment_Note: Requires Machining On Cylinder Heads~50-State Legal
    • Liter: 5.7
    • SubModel: WT
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1975-1978 FORD E-250 ECONOLINE

    • Fitment_Note: Requires Machining On Cylinder Heads~50-State Legal
    • Liter: 5.8
    • SubModel: NORTHLAND
    • CUI: 351
    • EngineType: V8 ( 5.8 L / 351 )

    1978 OLDSMOBILE CUTLASS SUPREME

    • Fitment_Note: Requires Machining On Cylinder Heads~50-State Legal
    • Liter: 4.3
    • SubModel: BROUGHAM
    • CUI: 260
    • EngineType: V8 ( 4.3 L / 260 )

    1972-1973 PONTIAC LEMANS

    • CC: 7457
    • Fitment_Note: Requires Machining On Cylinder Heads~50-State Legal
    • Liter: 7.5
    • SubModel: SPORT
    • CUI: 455
    • EngineType: V8 ( 7.5 L / 455 )

    1977 FORD F-150

    • Fitment_Note: Requires Machining On Cylinder Heads~50-State Legal
    • Liter: 5.8
    • SubModel: XLT
    • CUI: 351
    • EngineType: V8 ( 5.8 L / 351 )

    1970 FORD FALCON

    • CC: 5753
    • Liter: 5.8
    • SubModel: FUTURA
    • CUI: 351
    • EngineType: V8 ( 5.8 L / 351 )

    1977-1979 PONTIAC GRAND PRIX

    • Fitment_Note: Requires Machining On Cylinder Heads~50-State Legal
    • Liter: 4.9
    • SubModel: LJ
    • CUI: 301
    • EngineType: V8 ( 4.9 L / 301 )

    1992-1993 CHEVROLET BLAZER

    • Fitment_Note: Requires Machining On Cylinder Heads~50-State Legal
    • EngineType: ALL
    • SubModel: SILVERADO

    1975 FORD E-350 ECONOLINE

    • Fitment_Note: Requires Machining On Cylinder Heads~50-State Legal
    • Liter: 5.0
    • SubModel: CHATEAU
    • CUI: 302
    • EngineType: V8 ( 5.0 L / 302 )

    1987 FORD E-150 ECONOLINE CLUB WAGON

    • Fitment_Note: Requires Machining On Cylinder Heads~50-State Legal
    • EngineType: ALL
    • SubModel: XLT

    1968 FORD FALCON

    • CC: 4949
    • Fitment_Note: Requires Machining On Cylinder Heads~50-State Legal
    • Liter: 5.0
    • SubModel: BASE
    • CUI: 302
    • EngineType: V8 ( 5.0 L / 302 )

    1984-1988 OLDSMOBILE CUTLASS CIERA

    • CC: 2474
    • Fitment_Note: Requires Machining On Cylinder Heads~50-State Legal
    • Liter: 2.5
    • SubModel: LS
    • CUI: 151
    • EngineType: L4 ( 2.5 L / 151 )

    1989 CHEVROLET R2500 PICKUP

    • Fitment_Note: Requires Machining On Cylinder Heads~50-State Legal
    • Liter: 5.7
    • SubModel: SILVERADO
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1982-1983 CHEVROLET CITATION

    • CC: 2474
    • Fitment_Note: Requires Machining On Cylinder Heads~50-State Legal
    • Liter: 2.5
    • SubModel: X-11
    • CUI: 151
    • EngineType: L4 ( 2.5 L / 151 )

    1991 CHEVROLET BLAZER

    • Fitment_Note: Requires Machining On Cylinder Heads~50-State Legal
    • Liter: 5.7
    • SubModel: BASE
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1975 PONTIAC GRAND PRIX

    • Fitment_Note: Requires Machining On Cylinder Heads~50-State Legal
    • EngineType: ALL
    • SubModel: SJ

    1970 FORD MUSTANG

    • CC: 5753
    • Fitment_Note: Requires Machining On Cylinder Heads~50-State Legal
    • Liter: 5.8
    • Aspiration: N
    • SubModel: MACH I
    • Engine Vin: H
    • CUI: 351
    • EngineType: V8 ( 5.8 L / 351 )

    1975 FORD E-250 ECONOLINE

    • Fitment_Note: Requires Machining On Cylinder Heads~50-State Legal
    • Liter: 5.0
    • SubModel: NORTHLAND
    • CUI: 302
    • EngineType: V8 ( 5.0 L / 302 )

    1993 FORD BRONCO

    • Fitment_Note: Requires Machining On Cylinder Heads~50-State Legal
    • EngineType: ALL
    • SubModel: EDDIE BAUER

    1970 FORD MUSTANG

    • CC: 7014
    • Fitment_Note: Requires Machining On Cylinder Heads~50-State Legal
    • Liter: 7.0
    • Aspiration: N
    • SubModel: BASE
    • Engine Vin: Q
    • CUI: 428
    • EngineType: V8 ( 7.0 L / 428 )

    1975-1982 FORD E-250 ECONOLINE CLUB WAGON

    • Fitment_Note: Requires Machining On Cylinder Heads~50-State Legal
    • Liter: 5.8
    • SubModel: CHATEAU
    • CUI: 351
    • EngineType: V8 ( 5.8 L / 351 )

    1976 BUICK ELECTRA

    • CC: 7456
    • Fitment_Note: Requires Machining On Cylinder Heads~50-State Legal
    • Liter: 7.5
    • SubModel: LIMITED
    • CUI: 455
    • EngineType: V8 ( 7.5 L / 455 )

    1982-1989 BUICK SKYLARK

    • CC: 2474
    • Fitment_Note: Requires Machining On Cylinder Heads~50-State Legal
    • Liter: 2.5
    • SubModel: LIMITED
    • CUI: 151
    • EngineType: L4 ( 2.5 L / 151 )

    1986-1987 BUICK REGAL

    • Fitment_Note: Requires Machining On Cylinder Heads~50-State Legal
    • Liter: 5.0
    • SubModel: BASE
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1991-1995 FORD E-350 ECONOLINE CLUB WAGON

    • Fitment_Note: Requires Machining On Cylinder Heads~50-State Legal
    • Liter: 5.8
    • SubModel: XLT
    • CUI: 351
    • EngineType: V8 ( 5.8 L / 351 )

    1985 OLDSMOBILE CUTLASS SUPREME

    • Fitment_Note: Requires Machining On Cylinder Heads~50-State Legal
    • Liter: 5.0
    • SubModel: LS
    • CUI: 307
    • EngineType: V8 ( 5.0 L / 307 )

    1984-1989 FORD BRONCO

    • Fitment_Note: Requires Machining On Cylinder Heads~50-State Legal
    • Liter: 5.0
    • SubModel: XLT
    • CUI: 302
    • EngineType: V8 ( 5.0 L / 302 )

    1974 FORD GRAN TORINO

    • CC: 7539
    • Fitment_Note: Requires Machining On Cylinder Heads~50-State Legal
    • Liter: 7.5
    • Aspiration: N
    • SubModel: BROUGHAM
    • Engine Vin: A
    • CUI: 460
    • EngineType: V8 ( 7.5 L / 460 )

    1973-1974 FORD THUNDERBIRD

    • CC: 7539
    • Fitment_Note: Requires Machining On Cylinder Heads~50-State Legal
    • Liter: 7.5
    • SubModel: BASE
    • CUI: 460
    • EngineType: V8 ( 7.5 L / 460 )

    1969-1974 MERCURY MONTEGO

    • CC: 5753
    • Fitment_Note: Requires Machining On Cylinder Heads~50-State Legal
    • Liter: 5.8
    • SubModel: BASE
    • CUI: 351
    • EngineType: V8 ( 5.8 L / 351 )

    1973-1974 FORD TORINO

    • CC: 7539
    • Fitment_Note: Requires Machining On Cylinder Heads~50-State Legal
    • Liter: 7.5
    • SubModel: BASE
    • CUI: 460
    • EngineType: V8 ( 7.5 L / 460 )

    1963-1964 FORD SPRINT

    • Liter: 4.3
    • SubModel: BASE
    • CUI: 260
    • EngineType: V8 ( 4.3 L / 260 )

    1975-1978 FORD F-350

    • Fitment_Note: Requires Machining On Cylinder Heads~50-State Legal
    • Liter: 5.0
    • SubModel: NORTHLAND
    • CUI: 302
    • EngineType: V8 ( 5.0 L / 302 )

    1980 LINCOLN MARK VI

    • Liter: 5.0
    • SubModel: BASE
    • CUI: 302
    • EngineType: V8 ( 5.0 L / 302 )

    1991 CHEVROLET R1500 SUBURBAN

    • Fitment_Note: Requires Machining On Cylinder Heads~50-State Legal
    • Liter: 5.7
    • SubModel: SILVERADO
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1986 MERCURY GRAND MARQUIS

    • Liter: 5.0
    • SubModel: LS
    • CUI: 302
    • EngineType: V8 ( 5.0 L / 302 )

    1992-1995 FORD E-150 ECONOLINE CLUB WAGON

    • Fitment_Note: Requires Machining On Cylinder Heads~50-State Legal
    • Liter: 5.8
    • SubModel: CHATEAU
    • CUI: 351
    • EngineType: V8 ( 5.8 L / 351 )

    1973 CHEVROLET CAPRICE

    • CC: 5737
    • Liter: 5.7
    • Aspiration: N
    • SubModel: ESTATE
    • Engine Vin: H
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1971-1972 FORD E-200 ECONOLINE

    • Fitment_Note: Requires Machining On Cylinder Heads~50-State Legal
    • Liter: 5.0
    • SubModel: CUSTOM WAGON
    • CUI: 302
    • EngineType: V8 ( 5.0 L / 302 )

    1972-1974 PONTIAC BONNEVILLE

    • CC: 6556
    • Fitment_Note: Requires Machining On Cylinder Heads~50-State Legal
    • Liter: 6.6
    • SubModel: BASE
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1972-1973 OLDSMOBILE CUTLASS

    • CC: 5737
    • Liter: 5.7
    • SubModel: BASE
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1972-1973 OLDSMOBILE CUTLASS SUPREME

    • CC: 5737
    • Liter: 5.7
    • SubModel: BASE
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1984-1985 CHEVROLET CITATION II

    • CC: 2474
    • Fitment_Note: Requires Machining On Cylinder Heads~50-State Legal
    • Liter: 2.5
    • SubModel: X-11
    • CUI: 151
    • EngineType: L4 ( 2.5 L / 151 )

    1970 MERCURY CYCLONE

    • CC: 7030
    • Fitment_Note: Requires Machining On Cylinder Heads~50-State Legal
    • Liter: 7.0
    • Aspiration: N
    • SubModel: SPOILER
    • Engine Vin: J
    • CUI: 429
    • EngineType: V8 ( 7.0 L / 429 )

    1983 BUICK CENTURY

    • CC: 2474
    • Fitment_Note: Requires Machining On Cylinder Heads~50-State Legal
    • Liter: 2.5
    • SubModel: CUSTOM
    • CUI: 151
    • EngineType: L4 ( 2.5 L / 151 )

    1972-1974 MERCURY MONTEGO

    • CC: 6556
    • Fitment_Note: Requires Machining On Cylinder Heads~50-State Legal
    • Liter: 6.6
    • SubModel: MX BROUGHAM
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1981 FORD THUNDERBIRD

    • Fitment_Note: Requires Machining On Cylinder Heads~50-State Legal
    • Liter: 5.0
    • SubModel: HERITAGE
    • CUI: 302
    • EngineType: V8 ( 5.0 L / 302 )

    1991-1992 FORD BRONCO

    • Fitment_Note: Requires Machining On Cylinder Heads~50-State Legal
    • Liter: 5.0
    • SubModel: EDDIE BAUER
    • CUI: 302
    • EngineType: V8 ( 5.0 L / 302 )

    1990 FORD BRONCO

    • Fitment_Note: Requires Machining On Cylinder Heads~50-State Legal
    • EngineType: ALL
    • SubModel: EDDIE BAUER

    1975-1979 FORD F-350

    • Fitment_Note: Requires Machining On Cylinder Heads~50-State Legal
    • Liter: 7.5
    • SubModel: RANGER
    • CUI: 460
    • EngineType: V8 ( 7.5 L / 460 )

    1977-1981 FORD F-350

    • Fitment_Note: Requires Machining On Cylinder Heads~50-State Legal
    • Liter: 6.6
    • SubModel: RANGER XLT
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1972-1973 BUICK LESABRE

    • CC: 7456
    • Liter: 7.5
    • Aspiration: N
    • SubModel: BASE
    • Engine Vin: U
    • CUI: 455
    • EngineType: V8 ( 7.5 L / 455 )

    1969-1971 FORD BRONCO

    • Fitment_Note: Requires Machining On Cylinder Heads~50-State Legal
    • Liter: 5.0
    • SubModel: BASE
    • CUI: 302
    • EngineType: V8 ( 5.0 L / 302 )
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