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COMP Cams Dual Valve Springs I.D. of Outer Dia.: 1.125"

COMP Cams 939-1

249-939-1

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COMP Cams Dual Valve Springs I.D. of Outer Dia.: 1.125" $9.99
Dual Valve Springs
  • I.D. of Outer Dia.: 1.125"
  • I.D. of Inner Dia.: .697"
  • Seat load: 138lbs @1.950''
  • Open load: 419lbs @1.350''
  • Coil bind: 1.225''
  • Rate: 469lbs/in
  • With damper
  • 1/pkg

  • COMP Cams 939-1 Details

    1.539'' Outside Diameter Dual Valve Springs

  • Dual Valve Spring
  • Coiled On the Most Advanced CNC Machines
  • 1 Year Limited Warranty

  • Specifications:

    Inside Diameter
    0.697 in.
    Coil Bind Height (in.)
    1.225
    Open Height (in.)
    1.35
    Outside Diameter
    1.54
    Installed Height (in.)
    1.9
    Installed Pressure (lbs.)
    161
    Open Pressure (lbs.)
    418
    Spring Rate (lbs./in.)
    468
    Spring Type
    Double
    Camshaft Type
    Hydraulic
    Camshaft Type
    Mechanical
    Position
    N/A
    Coated
    No
    Damper Spring Included
    Yes
    Inside Diameter of Inner Spring (in.)
    0.697
    Inside Diameter of Outer Spring (in.)
    1.125
    Number of Springs Per Valve
    Dual
    Outside Diameter of Outer Spring (in.)
    1.539
    Quantity
    Sold individually
    Spring Rate
    469 lbs./in.
    Valve Spring Style
    Standard
    Manufacturer's Part Number:
    939-1

    Comp Cams Dual Valve Springs are manufactured from Super Clean wire and undergo extensive quality control that delivers a valve spring assembly with superior strength, durability and valve train stability, suitable for any application. The dual spring design creates a stronger valve spring that can easily handle increased lift found in extreme stress applications. Comp Cams Dual Valve Springs are a top choice for today’s engine builders and racers.

    Features:

    • Superior strength, durability and valve train stability
    • Easily handles increased lift
    • Suitable for street or race applications

    Does COMP Cams 939-1 fit your vehicle?

    Narrow Results

    1975-1977 FORD CUSTOM 500

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

    1968-1970 MERCURY COUGAR

    • CC: 7014
    • Fitment_Note: 50-State Legal
    • Liter: 7.0
    • SubModel: BASE
    • CUI: 428
    • EngineType: V8 ( 7.0 L / 428 )

    1977-1979 FORD F-100

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

    1980-1981 FORD E-250 ECONOLINE

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

    1970-1974 FORD LTD

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

    1965 MERCURY CALIENTE

    • CC: 6997
    • Fitment_Note: 50-State Legal
    • Liter: 7.0
    • SubModel: BASE
    • CUI: 427
    • EngineType: V8 ( 7.0 L / 427 )

    1972-1974 FORD GRAN TORINO

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

    1980-1981 FORD F-350

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

    1976 FORD F-150

    • Fitment_Note: 50-State Legal
    • Liter: 5.9
    • SubModel: BASE
    • CUI: 360
    • EngineType: V8 ( 5.9 L / 360 )

    1980-1981 FORD BRONCO

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

    1971-1972 FORD COUNTRY SEDAN

    • CC: 7030
    • Fitment_Note: 50-State Legal
    • Liter: 7.0
    • Aspiration: N
    • SubModel: BASE
    • Engine Vin: P
    • CUI: 429
    • EngineType: V8 ( 7.0 L / 429 )

    1977 FORD F-350

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

    1970-1974 FORD F-100

    • CC: 6392
    • Fitment_Note: 50-State Legal
    • Liter: 6.4
    • SubModel: BASE
    • CUI: 390
    • EngineType: V8 ( 6.4 L / 390 )

    1970-1974 MERCURY MONTEGO

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

    1977-1979 FORD F-350

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

    1974 FORD GRAN TORINO

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

    1970-1971 FORD TORINO

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

    1971 FORD RANCHERO

    • CC: 5753
    • Fitment_Note: Requires Machining On Cylinder Heads~50-State Legal
    • Liter: 5.8
    • Aspiration: N
    • SubModel: 500
    • Engine Vin: Q
    • CUI: 351
    • EngineType: V8 ( 5.8 L / 351 )

    1973-1974 FORD GRAN TORINO

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

    1971-1974 FORD RANCH WAGON

    • 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 )

    1977-1978 FORD F-100

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

    1980-1981 FORD E-350 ECONOLINE CLUB WAGON

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

    1972-1978 FORD RANCHERO

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

    1971-1974 FORD LTD

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

    1980-1981 FORD E-350 ECONOLINE

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

    1977-1978 FORD F-250

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

    1971-1972 MERCURY COUGAR

    • CC: 5753
    • Fitment_Note: Requires Machining On Cylinder Heads~50-State Legal
    • Liter: 5.8
    • SubModel: XR-7
    • CUI: 351
    • EngineType: V8 ( 5.8 L / 351 )

    1975-1976 FORD GRAN TORINO

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

    1976 FORD F-250

    • Fitment_Note: 50-State Legal
    • Liter: 6.4
    • SubModel: BASE
    • CUI: 390
    • EngineType: V8 ( 6.4 L / 390 )

    1971 FORD LTD

    • CC: 6391
    • Fitment_Note: 50-State Legal
    • Liter: 6.4
    • SubModel: BROUGHAM
    • CUI: 390
    • EngineType: V8 ( 6.4 L / 390 )

    1975-1976 FORD F-150

    • Fitment_Note: 50-State Legal
    • Liter: 6.4
    • SubModel: RANGER
    • CUI: 390
    • EngineType: V8 ( 6.4 L / 390 )

    1972-1974 MERCURY MONTEGO

    • 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 )

    1975-1976 FORD F-150

    • Fitment_Note: 50-State Legal
    • Liter: 6.4
    • SubModel: CUSTOM
    • CUI: 390
    • EngineType: V8 ( 6.4 L / 390 )

    1978-1979 FORD BRONCO

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

    1968-1969 MERCURY MONTEGO

    • CC: 6391
    • Fitment_Note: 50-State Legal
    • Liter: 6.4
    • SubModel: BASE
    • CUI: 390
    • EngineType: V8 ( 6.4 L / 390 )

    1963-1964 MERCURY COLONY PARK

    • CC: 6391
    • Fitment_Note: 50-State Legal
    • Liter: 6.4
    • SubModel: BASE
    • CUI: 390
    • EngineType: V8 ( 6.4 L / 390 )

    1978 FORD THUNDERBIRD

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

    1964 MERCURY COMMUTER

    • CC: 6391
    • Fitment_Note: 50-State Legal
    • Liter: 6.4
    • SubModel: BASE
    • CUI: 390
    • EngineType: V8 ( 6.4 L / 390 )

    1969-1970 MERCURY CYCLONE

    • 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 )

    1975 MERCURY MONTEGO

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

    1970 FORD MUSTANG

    • CC: 7014
    • Fitment_Note: 50-State Legal
    • Liter: 7.0
    • Aspiration: N
    • SubModel: GRANDE
    • Engine Vin: Q
    • CUI: 428
    • EngineType: V8 ( 7.0 L / 428 )

    1975-1976 FORD F-100

    • Fitment_Note: 50-State Legal
    • Liter: 5.9
    • SubModel: CUSTOM
    • CUI: 360
    • EngineType: V8 ( 5.9 L / 360 )

    1966 MERCURY MONTEREY

    • CC: 6997
    • Fitment_Note: 50-State Legal
    • Liter: 7.0
    • SubModel: S-55
    • CUI: 427
    • EngineType: V8 ( 7.0 L / 427 )

    1976 FORD F-100

    • Fitment_Note: 50-State Legal
    • Liter: 5.9
    • SubModel: BASE
    • CUI: 360
    • EngineType: V8 ( 5.9 L / 360 )

    1969 MERCURY CYCLONE

    • CC: 6391
    • Fitment_Note: 50-State Legal
    • Liter: 6.4
    • SubModel: BASE
    • CUI: 390
    • EngineType: V8 ( 6.4 L / 390 )

    1972-1973 MERCURY MARQUIS

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

    1966-1967 MERCURY MONTCLAIR

    • CC: 6997
    • Fitment_Note: 50-State Legal
    • Liter: 7.0
    • SubModel: BASE
    • CUI: 427
    • EngineType: V8 ( 7.0 L / 427 )

    1975-1976 MERCURY MONTEGO

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

    1975-1976 FORD TORINO

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

    1977-1979 FORD LTD II

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

    1972-1974 FORD RANCHERO

    • CC: 5753
    • Fitment_Note: Requires Machining On Cylinder Heads~50-State Legal
    • Liter: 5.8
    • Aspiration: N
    • SubModel: 500
    • Engine Vin: Q
    • CUI: 351
    • EngineType: V8 ( 5.8 L / 351 )

    1967 MERCURY BROUGHAM

    • CC: 6997
    • Fitment_Note: 50-State Legal
    • Liter: 7.0
    • SubModel: BASE
    • CUI: 427
    • EngineType: V8 ( 7.0 L / 427 )

    1978 FORD THUNDERBIRD

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

    1975-1976 FORD F-350

    • Fitment_Note: 50-State Legal
    • Liter: 6.4
    • SubModel: RANGER
    • CUI: 390
    • EngineType: V8 ( 6.4 L / 390 )

    1967-1969 MERCURY COUGAR

    • CC: 6391
    • Fitment_Note: 50-State Legal
    • Liter: 6.4
    • SubModel: BASE
    • CUI: 390
    • EngineType: V8 ( 6.4 L / 390 )

    1977-1978 MERCURY COUGAR

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

    1969 MERCURY MARAUDER

    • CC: 6391
    • Fitment_Note: 50-State Legal
    • Liter: 6.4
    • Aspiration: N
    • SubModel: BASE
    • Engine Vin: X
    • CUI: 390
    • EngineType: V8 ( 6.4 L / 390 )

    1970-1971 FORD RANCHERO

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

    1975-1979 FORD RANCHERO

    • Fitment_Note: Requires Machining On Cylinder Heads~50-State Legal
    • Liter: 5.8
    • Aspiration: N
    • SubModel: 500
    • Engine Vin: H
    • CUI: 351
    • EngineType: V8 ( 5.8 L / 351 )

    1971-1972 FORD MUSTANG

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

    1964 MERCURY MONTCLAIR

    • CC: 6391
    • Fitment_Note: 50-State Legal
    • Liter: 6.4
    • SubModel: BASE
    • CUI: 390
    • EngineType: V8 ( 6.4 L / 390 )

    1972 FORD GRAN TORINO

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

    1969-1970 MERCURY MONTEREY

    • CC: 7014
    • Fitment_Note: 50-State Legal
    • Liter: 7.0
    • SubModel: CUSTOM
    • CUI: 428
    • EngineType: V8 ( 7.0 L / 428 )

    1980-1981 FORD E-350 ECONOLINE

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

    1977-1979 FORD F-150

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

    1972-1973 MERCURY MONTEGO

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

    1978 FORD BRONCO

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

    1978-1979 FORD F-250

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

    1973 FORD MUSTANG

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

    1970 FORD FAIRLANE

    • CC: 5753
    • Fitment_Note: Requires Machining On Cylinder Heads~50-State Legal
    • Liter: 5.8
    • Aspiration: N
    • SubModel: 500
    • Engine Vin: M
    • CUI: 351
    • EngineType: V8 ( 5.8 L / 351 )

    1980-1981 FORD F-350

    • Fitment_Note: Requires Machining On Cylinder Heads~50-State Legal
    • Liter: 5.8
    • Aspiration: N
    • SubModel: RANGER LARIAT
    • Engine Vin: G
    • CUI: 351
    • EngineType: V8 ( 5.8 L / 351 )

    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 )

    1975-1976 FORD F-250

    • Fitment_Note: 50-State Legal
    • Liter: 6.4
    • SubModel: RANGER XLT
    • CUI: 390
    • EngineType: V8 ( 6.4 L / 390 )

    1977-1979 FORD F-250

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

    1969 MERCURY CYCLONE

    • CC: 7014
    • Fitment_Note: 50-State Legal
    • Liter: 7.0
    • Aspiration: N
    • SubModel: CJ
    • Engine Vin: R
    • CUI: 428
    • EngineType: V8 ( 7.0 L / 428 )

    1972-1974 FORD TORINO

    • 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 )

    1971 MERCURY CYCLONE

    • CC: 5752
    • Fitment_Note: Requires Machining On Cylinder Heads~50-State Legal
    • Liter: 5.8
    • SubModel: SPOILER
    • CUI: 351
    • EngineType: V8 ( 5.8 L / 351 )

    1975-1976 FORD TORINO

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

    1968 MERCURY COUGAR

    • CC: 6997
    • Fitment_Note: 50-State Legal
    • Liter: 7.0
    • SubModel: BASE
    • CUI: 427
    • EngineType: V8 ( 7.0 L / 427 )

    1978-1981 MERCURY MARQUIS

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

    1975-1978 MERCURY MARQUIS

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

    1970-1971 FORD RANCHERO

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

    1975-1978 FORD LTD

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

    1982 FORD F-250

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

    1971 FORD TORINO

    • CC: 5753
    • Fitment_Note: Requires Machining On Cylinder Heads~50-State Legal
    • Liter: 5.8
    • Aspiration: N
    • SubModel: 500
    • Engine Vin: Q
    • CUI: 351
    • EngineType: V8 ( 5.8 L / 351 )

    1968 MERCURY MONTEGO

    • CC: 6997
    • Fitment_Note: 50-State Legal
    • Liter: 7.0
    • SubModel: BASE
    • CUI: 427
    • EngineType: V8 ( 7.0 L / 427 )

    1973 FORD MUSTANG

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

    1966-1967 MERCURY COMMUTER

    • CC: 7014
    • Fitment_Note: 50-State Legal
    • Liter: 7.0
    • SubModel: BASE
    • CUI: 428
    • EngineType: V8 ( 7.0 L / 428 )

    1977 FORD LTD II

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

    1970-1971 FORD LTD

    • CC: 6391
    • Fitment_Note: 50-State Legal
    • Liter: 6.4
    • SubModel: BASE
    • CUI: 390
    • EngineType: V8 ( 6.4 L / 390 )

    1974 FORD GRAN TORINO

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

    1975-1976 FORD F-150

    • Fitment_Note: 50-State Legal
    • Liter: 5.9
    • SubModel: RANGER
    • CUI: 360
    • EngineType: V8 ( 5.9 L / 360 )

    1977-1978 FORD F-350

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

    1977-1981 FORD F-250

    • 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 FORD TORINO

    • 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 )

    1966 MERCURY PARK LANE

    • CC: 6391
    • Fitment_Note: 50-State Legal
    • Liter: 6.4
    • SubModel: BASE
    • CUI: 390
    • EngineType: V8 ( 6.4 L / 390 )

    1970-1971 FORD RANCHERO

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

    1971-1974 FORD COUNTRY SQUIRE

    • 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 )

    1977-1979 FORD F-350

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

    1971-1973 MERCURY MARQUIS

    • 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 )
    Items You Need
    Some parts are not legal for use in California or other states with similar laws / regulations