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Ford Performance M-6303-C340

Crankshaft 302/5.0L



Ford Performance M-6303-C340

Part Number: 397-M-6303-C340

Crankshaft
  • 302/5.0L
  • Forged Steel
  • 3.40" Stroke
  • 2.248" Main Journal
  • 2.1232" Rod Journal
  • 1.690" Rod Journal Width
  • Requires Balancing
  • $757.99
    Ships 10/03/16
    if Ordered Today
    Made In USA
    FREE Shipping
    Ford Performance M-6303-C340 Crankshaft 302/5.0L $757.99

    Ford Performance M-6303-C340 Details

    Crankshafts

    Fits 302 production and Ford Racing cylinder blocks. Stock 2.1232" rod journal diameters. Use with M-6200-D50 "Sportsman" rods (5.40" long) and 1.090" CD pistons in standard 302 block for 347 cu. in.

    Features:
  • Lightening holes
  • Rounded CW leading edge, tapered trailing edge
  • Rod and main journals are nitrided and polished
  • Requires custom pistons, rods and balancing

  • Specifications:

    Pin Diameter
    2.1
    Bob Weight
    N/A
    Main Diameter
    OEM
    Rod Length
    OEM
    Stroke
    3.2 - 3.5
    Balancer Bolt Thread Size (in.)
    5/8-18
    Crankshaft Material
    Forged 4340 steel
    Crankshaft Snout Style
    Standard
    Engine Balance (oz.)
    External, 28 imbalance
    Engine Stroke (in.)
    3.4
    Lightened
    No
    Main Bearings Included
    No
    Main Journal Diameter (in.)
    2.248
    Quantity
    Sold individually
    Requires Narrow Bearings
    No
    Rod Bearings Included
    No
    Rod Journal Diameter (in.)
    2.123
    Rear Main Seal Style
    1-piece
    Weight (lbs.)
    60
    Manufacturer's Part Number:
    M-6303-C340

    Crafted from forged steel, these crankshafts are specially designed for the harsh environment of the race track. Available for the Mustang Boss 302, Cobra Jets, and the SVT Lightning, Ford Racing forged crankshafts are the answer to your long term crankshaft performance issues. Ford Racing crankshafts are ready to go into your Boss 302 or 5.4L Ford Racing Engine.

    Features
  • Forged Steel Construction For Superior Durability And Extended Service Life
  • Standard Journal Diameters For Maximum Compatibility
  • Service Replacements For Mustang Boss 302, Cobra Jet 5.4L, And SVT Lightning 5.4L

  • Does Ford Performance M-6303-C340 fit your vehicle?

    Narrow Results

    1979 FORD MUSTANG

    • Liter: 5.0
    • SubModel: BASE
    • CUI: 302
    • EngineType: V8

    1978-1979 FORD GRANADA

    • EngineType: V8
    • SubModel: BASE

    1984-1993 FORD MUSTANG

    • EngineType: V8
    • SubModel: LX

    1984 FORD MUSTANG

    • EngineType: V8
    • SubModel: GT-350 20TH ANNIVERSARY

    1979-1980 FORD F-350

    • Liter: 5.0
    • EngineType: V8
    • SubModel: CUSTOM

    1988-1996 FORD E-150 ECONOLINE CLUB WAGON

    • Liter: 5.0
    • EngineType: V8
    • SubModel: XLT

    1982 FORD F-150

    • Liter: 5.0
    • SubModel: CUSTOM
    • CUI: 302
    • EngineType: V8

    1984-1985 FORD LTD

    • EngineType: V8
    • SubModel: BROUGHAM

    1980 LINCOLN CONTINENTAL

    • Liter: 5.0
    • EngineType: V8
    • SubModel: BASE

    1979-1980 FORD E-250 ECONOLINE

    • Liter: 5.0
    • EngineType: V8
    • SubModel: SUPER PASSENGER WAGON

    1977-1978 FORD LTD II

    • Liter: 5.0
    • EngineType: V8
    • SubModel: BROUGHAM

    1987-1991 MERCURY COLONY PARK

    • EngineType: ALL
    • SubModel: GS

    1986-1987 LINCOLN CONTINENTAL

    • EngineType: ALL
    • SubModel: ALL

    1980 FORD GRANADA

    • Liter: 5.0
    • EngineType: V8
    • SubModel: ESS

    1992-1996 FORD E-150 ECONOLINE CLUB WAGON

    • Liter: 5.0
    • EngineType: V8
    • SubModel: CHATEAU

    1975-1977 FORD GRANADA

    • Liter: 5.0
    • EngineType: V8
    • SubModel: GHIA

    1972 FORD RANCH WAGON

    • CC: 4949
    • Liter: 5.0
    • SubModel: BASE
    • EngineType: V8

    1979 FORD E-250 ECONOLINE

    • Liter: 5.0
    • EngineType: V8
    • SubModel: SUPER CARGO

    1979-1986 MERCURY GRAND MARQUIS

    • Liter: 5.0
    • EngineType: V8
    • SubModel: BASE

    1977-1979 FORD F-150

    • Liter: 5.0
    • EngineType: V8
    • SubModel: SUPER CAB

    1985 FORD LTD

    • EngineType: ALL
    • SubModel: LX BROUGHAM

    1982 LINCOLN CONTINENTAL

    • EngineType: V8
    • SubModel: GIVENCHY

    1971-1972 FORD E-300 ECONOLINE

    • EngineType: V8
    • SubModel: CUSTOM WAGON

    1991-1992 FORD THUNDERBIRD

    • EngineType: V8
    • SubModel: BASE

    1995-1996 FORD F-250

    • Liter: 5.0
    • Aspiration: N
    • SubModel: XLT
    • Engine Vin: N
    • CUI: 302
    • EngineType: V8

    1987-1991 MERCURY GRAND MARQUIS

    • EngineType: ALL
    • SubModel: GS

    1984-1985 LINCOLN CONTINENTAL

    • EngineType: V8
    • SubModel: VALENTINO

    1982 FORD LTD

    • EngineType: ALL
    • SubModel: COUNTRY SQUIRE

    1979-1983 FORD E-150 ECONOLINE CLUB WAGON

    • Liter: 5.0
    • EngineType: V8
    • SubModel: CUSTOM

    1969-1970 FORD FALCON

    • Liter: 5.0
    • EngineType: V8
    • SubModel: FUTURA

    1977-1979 FORD LTD II

    • Liter: 5.0
    • EngineType: V8
    • SubModel: S

    1979-1982 FORD E-250 ECONOLINE

    • Liter: 5.0
    • EngineType: V8
    • SubModel: CHATEAU

    1983 FORD E-100 ECONOLINE

    • Liter: 5.0
    • EngineType: V8
    • SubModel: XL

    1968-1974 FORD TORINO

    • Liter: 5.0
    • EngineType: V8
    • SubModel: BASE

    1970-1971 FORD TORINO

    • Liter: 5.0
    • EngineType: V8
    • SubModel: BROUGHAM

    1975-1977 MERCURY MONARCH

    • Liter: 5.0
    • EngineType: V8
    • SubModel: GHIA

    1981-1982 FORD F-100

    • Liter: 5.0
    • EngineType: V8
    • SubModel: CUSTOM

    1979-1980 FORD E-350 ECONOLINE

    • Liter: 5.0
    • EngineType: V8
    • SubModel: CARGO

    1970 FORD E-300 ECONOLINE

    • CC: 4950
    • Liter: 5.0
    • SubModel: CHATEAU WAGON
    • CUI: 302
    • EngineType: V8

    1972-1973 MERCURY MONTEGO

    • Liter: 5.0
    • EngineType: V8
    • SubModel: GT

    1986 FORD LTD

    • Liter: 5.0
    • EngineType: V8
    • SubModel: CROWN VICTORIA LX

    1969 FORD GALAXIE 500

    • Liter: 5.0
    • Aspiration: N
    • SubModel: BASE
    • Engine Vin: F
    • CUI: 302
    • EngineType: V8

    1979-1981 FORD F-150

    • Liter: 5.0
    • EngineType: V8
    • SubModel: RANGER LARIAT

    1969-1971 FORD TORINO

    • Liter: 5.0
    • EngineType: V8
    • SubModel: SQUIRE

    1982-1983 FORD F-150

    • Liter: 5.0
    • EngineType: V8
    • SubModel: XLS

    1978-1981 FORD THUNDERBIRD

    • Liter: 5.0
    • EngineType: V8
    • SubModel: TOWN LANDAU

    1979-1980 FORD E-250 ECONOLINE

    • Liter: 5.0
    • EngineType: V8
    • SubModel: CARGO

    1995-1996 FORD F-150

    • Liter: 5.0
    • EngineType: V8
    • SubModel: SPECIAL

    1979 FORD MUSTANG

    • EngineType: V8
    • SubModel: GHIA

    1986 MERCURY CAPRI

    • EngineType: ALL
    • SubModel: 5.0

    1979-1982 FORD E-350 ECONOLINE

    • Liter: 5.0
    • EngineType: V8
    • SubModel: BASE

    1978 FORD THUNDERBIRD

    • Liter: 5.0
    • EngineType: V8
    • SubModel: DIAMOND JUBILEE

    1985-1992 FORD F-250

    • Liter: 5.0
    • EngineType: V8
    • SubModel: XLT LARIAT

    1980 FORD F-100

    • EngineType: V8
    • SubModel: RANGER

    1978-1979 MERCURY ZEPHYR

    • EngineType: V8
    • SubModel: Z7

    1979-1981 FORD F-250

    • Liter: 5.0
    • EngineType: V8
    • SubModel: RANGER

    1984-1985 LINCOLN MARK VII

    • EngineType: V8
    • SubModel: VERSACE

    1986 FORD LTD

    • Liter: 5.0
    • EngineType: V8
    • SubModel: COUNTRY SQUIRE LX

    1979-1982 FORD E-150 ECONOLINE CLUB WAGON

    • Liter: 5.0
    • EngineType: V8
    • SubModel: CHATEAU

    1975 FORD E-250 ECONOLINE

    • Liter: 5.0
    • EngineType: V8
    • SubModel: BASE

    1970 FORD GALAXIE 500

    • Liter: 5.0
    • SubModel: XL
    • CUI: 302
    • EngineType: V8

    1978-1979 MERCURY ZEPHYR

    • EngineType: V8
    • SubModel: BASE

    1982 FORD MUSTANG

    • Liter: 5.0
    • EngineType: V8
    • SubModel: GL

    1993-1996 FORD F-150

    • Liter: 5.0
    • EngineType: V8
    • SubModel: XLT

    1987-1991 FORD LTD CROWN VICTORIA

    • Liter: 5.0
    • EngineType: V8
    • SubModel: BASE

    1982 FORD F-100

    • Liter: 5.0
    • EngineType: V8
    • SubModel: XL

    1972 FORD GALAXIE 500

    • CC: 4949
    • Liter: 5.0
    • Aspiration: N
    • SubModel: BASE
    • Engine Vin: D
    • CUI: 302
    • EngineType: V8

    1979-1980 FORD E-350 ECONOLINE

    • Liter: 5.0
    • EngineType: V8
    • SubModel: SUPER PASSENGER WAGON

    1985 FORD E-150 ECONOLINE CLUB WAGON

    • Liter: 5.0
    • SubModel: XL
    • CUI: 302
    • EngineType: V8

    1987-1991 MERCURY COLONY PARK

    • EngineType: ALL
    • SubModel: LS

    1984-1985 LINCOLN MARK VII

    • EngineType: V8
    • SubModel: BILL BLASS

    1984-1985 LINCOLN MARK VII

    • EngineType: V8
    • SubModel: BASE

    1970-1974 FORD E-100 ECONOLINE

    • EngineType: V8
    • SubModel: BASE

    1976-1979 FORD F-150

    • Liter: 5.0
    • EngineType: V8
    • SubModel: BASE

    1979 FORD F-100

    • Liter: 5.0
    • EngineType: V8
    • SubModel: RANGER

    1983-1984 FORD E-250 ECONOLINE

    • Liter: 5.0
    • EngineType: V8
    • SubModel: XL

    1979-1982 FORD E-100 ECONOLINE

    • Liter: 5.0
    • EngineType: V8
    • SubModel: CHATEAU

    1979-1982 FORD E-350 ECONOLINE

    • Liter: 5.0
    • EngineType: V8
    • SubModel: CUSTOM

    1968 FORD COUNTRY SEDAN

    • Liter: 5.0
    • EngineType: V8
    • SubModel: BASE

    1968-1969 FORD RANCH WAGON

    • Liter: 5.0
    • EngineType: V8
    • SubModel: BASE

    1980 FORD GRANADA

    • Liter: 5.0
    • EngineType: V8
    • SubModel: BASE

    1979-1981 FORD F-250

    • Liter: 5.0
    • EngineType: V8
    • SubModel: RANGER XLT

    1971-1974 FORD MAVERICK

    • EngineType: V8
    • SubModel: BASE

    1992 FORD F-250

    • Liter: 5.0
    • SubModel: CUSTOM
    • CUI: 302
    • EngineType: V8

    1975-1977 FORD GRANADA

    • Liter: 5.0
    • EngineType: V8
    • SubModel: BASE

    1984-1985 LINCOLN CONTINENTAL

    • EngineType: V8
    • SubModel: GIVENCHY

    1972 FORD COUNTRY SEDAN

    • CC: 4949
    • Liter: 5.0
    • Aspiration: N
    • SubModel: BASE
    • Engine Vin: F
    • CUI: 302
    • EngineType: V8

    1968-1970 FORD FAIRLANE

    • Liter: 5.0
    • EngineType: V8
    • SubModel: 500

    1986-1992 LINCOLN MARK VII

    • EngineType: ALL
    • SubModel: ALL

    1980 FORD F-100

    • EngineType: V8
    • SubModel: CUSTOM

    1979-1982 FORD E-150 ECONOLINE CLUB WAGON

    • Liter: 5.0
    • EngineType: V8
    • SubModel: BASE

    1985-1993 FORD MUSTANG

    • EngineType: ALL
    • SubModel: GT

    1987-1996 FORD E-150 ECONOLINE CLUB WAGON

    • Liter: 5.0
    • EngineType: V8
    • SubModel: CUSTOM

    1968-1969 FORD LTD

    • Liter: 5.0
    • EngineType: V8
    • SubModel: BASE

    1987-1991 FORD F-250

    • Liter: 5.0
    • EngineType: V8
    • SubModel: CUSTOM

    1979-1980 FORD E-250 ECONOLINE CLUB WAGON

    • Liter: 5.0
    • EngineType: V8
    • SubModel: CUSTOM

    1983-1988 FORD THUNDERBIRD

    • EngineType: V8
    • SubModel: BASE

    1995 FORD MUSTANG

    • Liter: 5.0
    • Aspiration: N
    • SubModel: GT
    • Engine Vin: T
    • CUI: 302
    • EngineType: V8

    1979-1982 MERCURY MARQUIS

    • Liter: 5.0
    • EngineType: V8
    • SubModel: BASE

    1979 FORD F-100

    • Liter: 5.0
    • EngineType: V8
    • SubModel: RANGER XLT
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