Instant Rebates
800.345.4545
Call Our Support Line
24 Hours / 7 Days a Week!  
FREE SHIPPING!
Same Day Shipping Before 11 PM ET
0
My Cart
0
$0.00
Shop By Vehicle
Shop By
Category
Close Menu
Shop By Vehicle
Top Categories
All Categories

All Categories


Free Catalog
E-Mail Signup
My Account
Track Order
Gift Certificates
Rebates
Help

COMP Cams 939-1

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

COMP Cams 939-1

249-939-1

jegs shipping
Estimated ship date 08/21/17 if Ordered Today
Easy Returns
Easy Returns
Lowest Price Guarantee
Lowest Price Guarantee
COMP Cams 939-1 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 designed, manufactured, and tested on some of the most cutting edge equipment in the industry. Their Super Clean Ovate Wire material combined with this manufacturing process ensures consistency and performance. Samples from each batch of springs are tested at stress levels much greater then they will see in any engine. The result of Comp Camps enormous investment in personnel, expertise and equipment is no more evident than in the manufacturing of Comp Cams valve springs. From design to manufacture, Comp Cams delivers advantages to you that are found nowhere else in the industry!

    Does COMP Cams 939-1 fit your vehicle?

    Narrow Results

    1978-1979 FORD F-150

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

    1968 MERCURY COMMUTER

    • Fitment_Note: 50-State Legal
    • EngineType: ALL
    • SubModel: ALL

    1970 FORD CUSTOM 500

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

    1971 FORD 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 )

    1969-1970 MERCURY MONTEREY

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

    1970 MERCURY MARQUIS

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

    1970-1971 FORD LTD

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

    1975-1976 FORD F-250

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

    1975-1976 FORD F-150

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

    1976 MERCURY MONTEGO

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

    1965 MERCURY PARK LANE

    • Fitment_Note: 50-State Legal
    • EngineType: ALL
    • SubModel: ALL

    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 )

    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 )

    1976 MERCURY MONTEGO

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

    1970-1971 FORD MUSTANG

    • 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 )

    1970-1971 FORD TORINO

    • CC: 5753
    • 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 )

    1966-1967 MERCURY COMMUTER

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

    1969 MERCURY CYCLONE

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

    1975-1976 FORD F-150

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

    1976 FORD F-100

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

    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 )

    1975-1976 FORD GRAN TORINO

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

    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 )

    1969-1970 MERCURY MARQUIS

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

    1975-1976 FORD LTD

    • 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 )

    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 )

    1975 MERCURY MONTEGO

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

    1975 FORD F-100

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

    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 )

    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 )

    1979 LINCOLN MARK V

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

    1975-1976 FORD ELITE

    • 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 )

    1970 FORD MUSTANG

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

    1970-1971 FORD RANCHERO

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

    1982 FORD F-350

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

    1971 FORD TORINO

    • CC: 5752
    • Fitment_Note: Requires Machining On Cylinder Heads~50-State Legal
    • Liter: 5.8
    • Aspiration: N
    • SubModel: COBRA
    • Engine Vin: Q
    • 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 )

    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 THUNDERBIRD

    • 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 )

    1967 MERCURY MARQUIS

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

    1970-1971 FORD 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 )

    1966-1967 MERCURY COLONY PARK

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

    1971 FORD TORINO

    • 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 )

    1970 FORD GALAXIE 500

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

    1976 MERCURY MONTEGO

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

    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 )

    1971-1974 MERCURY MONTEREY

    • 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 )

    1980-1981 FORD F-350

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

    1966-1967 MERCURY MONTEREY

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

    1976 MERCURY MONTEGO

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

    1970-1974 MERCURY MONTEGO

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

    1977 FORD F-250

    • Fitment_Note: Requires Machining On Cylinder Heads~50-State Legal
    • Liter: 6.6
    • SubModel: XLT
    • 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: GT
    • Engine Vin: R
    • CUI: 351
    • EngineType: V8 ( 5.8 L / 351 )

    1968 MERCURY CYCLONE

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

    1971 FORD RANCH WAGON

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

    1975 FORD GRAN TORINO

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

    1973 MERCURY COUGAR

    • 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 )

    1982 FORD F-350

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

    1972-1974 FORD RANCHERO

    • CC: 5753
    • Fitment_Note: Requires Machining On Cylinder Heads~50-State Legal
    • Liter: 5.8
    • Aspiration: N
    • SubModel: SQUIRE
    • Engine Vin: Q
    • 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 )

    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 )

    1980-1981 FORD F-250

    • 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 FORD THUNDERBIRD

    • 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 )

    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 )

    1978-1981 FORD F-250

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

    1978-1981 MERCURY MARQUIS

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

    1971 MERCURY CYCLONE

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

    1976 FORD F-100

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

    1983 DETOMASO PANTERA

    • EngineType: ALL
    • SubModel: GT5

    1980-1981 FORD E-350 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 )

    1970-1971 FORD CUSTOM

    • CC: 6391
    • Fitment_Note: 50-State Legal
    • Liter: 6.4
    • SubModel: BASE
    • 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: CUSTOM
    • Engine Vin: H
    • CUI: 351
    • EngineType: V8 ( 5.8 L / 351 )

    1965 MERCURY MARAUDER

    • Fitment_Note: 50-State Legal
    • EngineType: ALL
    • SubModel: ALL

    1978-1979 FORD F-100

    • Fitment_Note: Requires Machining On Cylinder Heads~50-State Legal
    • Liter: 6.6
    • SubModel: RANGER LARIAT
    • 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: ELITE
    • Engine Vin: Q
    • CUI: 351
    • EngineType: V8 ( 5.8 L / 351 )

    1966-1967 MERCURY COLONY PARK

    • 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 )

    1972-1974 FORD GRAN TORINO

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

    1975 MERCURY MONTEGO

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

    1977-1978 FORD LTD II

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

    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 )

    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 )

    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 )

    1977-1979 FORD F-100

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

    1969 MERCURY COMET

    • 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 )

    1971-1974 FORD LTD

    • CC: 5753
    • 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 )

    1969 MERCURY COUGAR

    • Fitment_Note: 50-State Legal
    • EngineType: ALL
    • SubModel: COBRA JET

    1970-1974 FORD RANCHERO

    • CC: 5753
    • 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 )

    1975 FORD GRAN TORINO

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

    1975-1976 FORD F-150

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

    1965 MERCURY COLONY PARK

    • Fitment_Note: 50-State Legal
    • EngineType: ALL
    • SubModel: ALL

    1975-1976 FORD F-350

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

    1977-1978 FORD F-250

    • 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 )

    1976 FORD F-350

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

    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 FORD GALAXIE 500

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

    1980-1982 FORD BRONCO

    • 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 )

    1982 FORD BRONCO

    • Fitment_Note: Requires Machining On Cylinder Heads~50-State Legal
    • Liter: 5.8
    • Aspiration: N
    • SubModel: XLT LARIAT
    • Engine Vin: G
    • 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 )

    1980-1981 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 )
    Items You Need

    Before you leave us... Receive a free catalog or join our email list

    Sign up to receive our catalog or subscribe to our email list now to see our exclusive email only specials, new products, and offers!

    Request CatalogJoin Email List