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

Main Bearings Included

Main Journal Diameter (in.)

2.248

Quantity

Sold individually

Requires Narrow Bearings

Rod Bearings Included

Rod Journal Diameter (in.)

2.123

Rear Main Seal Style

1-piece

Weight (lbs.)

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

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Year

1968 1969 1970 1971 1972 1973 1974 1975 1976 1977 1978 1979 1980 1981 1982 1983 1984 1985 1986 1987 1988 1989 1990 1991 1992 1993 1994 1995 1996

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Make

FORD LINCOLN MERCURY

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Model

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SubModel

Filter By
EngineType

V8 ( 5.0 L / 302 ) V8 ( 6.4 L / 390 )

Filter By
CC

4949 6391

Filter By
Liter

5.0 6.4

Filter By
Aspiration

1995-1996 FORD F-150

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

1977-1978 FORD F-250

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

1980-1981 FORD F-250

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

1977-1981 MERCURY COUGAR

Liter: 5.0
SubModel: XR-7
CUI: 302
EngineType: V8 ( 5.0 L / 302 )

1995-1996 FORD F-250

Liter: 5.0
Aspiration: N
SubModel: XL
Engine Vin: N
CUI: 302
EngineType: V8 ( 5.0 L / 302 )

1984-1985 FORD THUNDERBIRD

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

1987-1991 MERCURY GRAND MARQUIS

EngineType: ALL
SubModel: LS

1979-1981 MERCURY GRAND MARQUIS

Liter: 5.0
SubModel: COLONY PARK
CUI: 302
EngineType: V8 ( 5.0 L / 302 )

1969 MERCURY COMET

CC: 6391
Liter: 6.4
SubModel: BASE
CUI: 390
EngineType: V8 ( 6.4 L / 390 )

1980 FORD F-350

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

1980 FORD THUNDERBIRD

Liter: 5.0
SubModel: SILVER ANNIVERSARY
CUI: 302
EngineType: V8 ( 5.0 L / 302 )

1979-1983 FORD E-250 ECONOLINE

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

1986 MERCURY CAPRI

EngineType: ALL
SubModel: 5.0

1986-1987 LINCOLN CONTINENTAL

EngineType: ALL
SubModel: ALL

1979-1982 MERCURY MARQUIS

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

1968-1974 MERCURY MONTEGO

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

1968 MERCURY COUGAR

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

1982 FORD LTD

EngineType: ALL
SubModel: COUNTRY SQUIRE

1968-1972 FORD RANCH WAGON

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

1980 FORD F-350

Liter: 5.0
SubModel: RANGER XLT
CUI: 302
EngineType: V8 ( 5.0 L / 302 )

1983-1988 FORD THUNDERBIRD

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

1972-1974 FORD F-350

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

1993-1996 FORD F-150

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

1975 FORD E-250 ECONOLINE

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

1970-1972 FORD LTD

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

1985 FORD E-250 ECONOLINE

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

1983-1984 FORD E-150 ECONOLINE

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

1983-1988 MERCURY COUGAR

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

1982 LINCOLN CONTINENTAL

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

1984-1985 LINCOLN MARK VII

Liter: 5.0
SubModel: BILL BLASS
CUI: 302
EngineType: V8 ( 5.0 L / 302 )

1983 FORD E-100 ECONOLINE CLUB WAGON

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

1975-1980 MERCURY MONARCH

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

1969-1971 FORD TORINO

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

1968 FORD COUNTRY SEDAN

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

1969 MERCURY CYCLONE

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

1983-1986 FORD LTD

Liter: 5.0
SubModel: COUNTRY SQUIRE
CUI: 302
EngineType: V8 ( 5.0 L / 302 )

1971-1972 FORD E-200 ECONOLINE

Liter: 5.0
SubModel: CHATEAU WAGON
CUI: 302
EngineType: V8 ( 5.0 L / 302 )

1975-1978 FORD F-350

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

1991-1993 FORD THUNDERBIRD

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

1968-1970 FORD FALCON

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

1968-1970 FORD FALCON

Liter: 5.0
SubModel: BASE
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 )

1975-1978 FORD F-350

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

1977 FORD F-150

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

1982 FORD F-150

Liter: 5.0
SubModel: XLT LARIAT
CUI: 302
EngineType: V8 ( 5.0 L / 302 )

1979-1980 FORD E-250 ECONOLINE CLUB WAGON

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

1977-1978 FORD LTD II

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

1986-1991 FORD E-250 ECONOLINE

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

1975 FORD E-100 ECONOLINE

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

1979-1980 FORD E-250 ECONOLINE CLUB WAGON

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

1978 FORD F-100

Liter: 5.0
Aspiration: N
SubModel: BASE
Engine Vin: G
CUI: 302
EngineType: V8 ( 5.0 L / 302 )

1986 FORD LTD

Liter: 5.0
SubModel: CROWN VICTORIA LX
CUI: 302
EngineType: V8 ( 5.0 L / 302 )

1978-1981 FORD F-100

Liter: 5.0
SubModel: RANGER LARIAT
CUI: 302
EngineType: V8 ( 5.0 L / 302 )

1985 FORD E-150 ECONOLINE CLUB WAGON

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

1987-1988 MERCURY COUGAR

EngineType: ALL
SubModel: XR-7

1983-1985 MERCURY GRAND MARQUIS

EngineType: ALL
SubModel: LS

1977 LINCOLN VERSAILLES

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

1982 FORD F-250

Liter: 5.0
SubModel: XLT LARIAT
CUI: 302
EngineType: V8 ( 5.0 L / 302 )

1987-1991 FORD E-150 ECONOLINE

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

1984-1985 LINCOLN MARK VII

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

1995 FORD MUSTANG

EngineType: ALL
SubModel: GTS

1979-1982 FORD E-150 ECONOLINE

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

1976-1977 FORD F-100

CC: 4949
Liter: 5.0
Aspiration: N
SubModel: BASE
Engine Vin: G
CUI: 302
EngineType: V8 ( 5.0 L / 302 )

1982-1983 FORD F-100

Liter: 5.0
SubModel: XLT LARIAT
CUI: 302
EngineType: V8 ( 5.0 L / 302 )

1971-1972 FORD COUNTRY SEDAN

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

1983-1985 MERCURY CAPRI

EngineType: ALL
SubModel: RS

1977-1979 FORD LTD II

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

1992-1996 FORD E-150 ECONOLINE

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

1977-1981 FORD THUNDERBIRD

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

1970 MERCURY CYCLONE

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

1987-1991 FORD LTD CROWN VICTORIA

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

1987-1996 FORD E-150 ECONOLINE CLUB WAGON

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

1975 FORD E-250 ECONOLINE

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

1975-1979 FORD F-150

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

1971-1977 MERCURY COMET

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

1975-1978 FORD F-350

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

1968-1971 FORD TORINO

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

1968-1970 FORD GALAXIE 500

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

1975-1980 FORD GRANADA

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

1978-1981 FORD F-150

Liter: 5.0
SubModel: RANGER LARIAT
CUI: 302
EngineType: V8 ( 5.0 L / 302 )

1986-1992 LINCOLN MARK VII

EngineType: ALL
SubModel: ALL

1993-1995 FORD MUSTANG

EngineType: ALL
SubModel: SVT COBRA

1980 LINCOLN CONTINENTAL

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

1975-1978 FORD F-350

Liter: 5.0
SubModel: RANGER XLT
CUI: 302
EngineType: V8 ( 5.0 L / 302 )

1972-1974 FORD F-250

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

1983-1988 FORD THUNDERBIRD

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

1995-1996 FORD F-250

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

1969-1974 FORD E-300 ECONOLINE

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

1972-1974 FORD GRAN TORINO

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

1971-1972 FORD E-300 ECONOLINE

Liter: 5.0
SubModel: CUSTOM WAGON
CUI: 302
EngineType: V8 ( 5.0 L / 302 )

1979-1983 FORD E-100 ECONOLINE

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

1977-1979 FORD LTD II

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

1975 FORD E-350 ECONOLINE

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

1975 FORD E-100 ECONOLINE

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

1975-1981 FORD F-100

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

1975-1982 FORD F-100

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

1979 FORD MUSTANG

Liter: 5.0
Aspiration: N
SubModel: BASE
Engine Vin: F
CUI: 302
EngineType: V8 ( 5.0 L / 302 )

1975 FORD E-250 ECONOLINE

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

1978 FORD F-350

Liter: 5.0
SubModel: RANGER LARIAT
CUI: 302
EngineType: V8 ( 5.0 L / 302 )

1983-1986 FORD F-150

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

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Ford Performance M-6303-C340

Crankshaft 302/5.0L

Part Number: 397-M-6303-C340