Free Shipping & Handling on Orders Over $95 - Order by 11pm EST for Same-Day Shipping!
0
My Cart
$0.00
1-800-345-4545
Shop By
Category
All Categories

Rebates
Gift Certificates
My Account
Help

Ford Performance M-6303-C340 - Ford Performance Crankshafts



Ford Performance M-6303-C340 - Ford Performance Crankshafts

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 08/29/16
    if Ordered Today
    Made In USA
    FREE Shipping

    Ford Performance M-6303-C340 - Ford Performance Crankshafts 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 this fit your vehicle?

    Narrow Results
    Filter By
    Year
    Filter By
    Make
    Filter By
    Model
    Filter By
    SubModel
    Filter By
    EngineType
    Filter By
    CC
    Filter By
    Liter
    Filter By
    Aspiration

    1983-1986 FORD F-150

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

    1977-1979 FORD F-150

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

    1982-1994 FORD F-250

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

    1979 FORD THUNDERBIRD

    • Liter: 5.0
    • EngineType: V8
    • SubModel: HERITAGE

    1979 FORD E-250 ECONOLINE

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

    1987-1991 FORD E-150 ECONOLINE

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

    1968-1973 FORD MUSTANG

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

    1987-1991 FORD LTD CROWN VICTORIA

    • EngineType: ALL
    • SubModel: LX

    1985 FORD E-150 ECONOLINE CLUB WAGON

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

    1987-1992 FORD F-150

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

    1968-1970 FORD FALCON

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

    1987 FORD E-150 ECONOLINE

    • EngineType: V8
    • SubModel: XLT

    1983 FORD F-100

    • EngineType: V8
    • SubModel: BASE

    1982-1996 FORD F-150

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

    1987-1991 FORD LTD CROWN VICTORIA

    • EngineType: ALL
    • SubModel: S

    1979-1980 FORD E-350 ECONOLINE CLUB WAGON

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

    1986-1987 LINCOLN CONTINENTAL

    • EngineType: ALL
    • SubModel: ALL

    1968-1972 FORD RANCH WAGON

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

    1979-1980 FORD E-250 ECONOLINE

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

    1968-1970 FORD GALAXIE 500

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

    1979-1983 FORD E-150 ECONOLINE CLUB WAGON

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

    1978-1979 MERCURY ZEPHYR

    • EngineType: V8
    • SubModel: BASE

    1983-1985 MERCURY CAPRI

    • EngineType: ALL
    • SubModel: RS

    1969-1974 FORD F-100

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

    1987-1991 FORD COUNTRY SQUIRE

    • EngineType: ALL
    • SubModel: ALL

    1992-1996 FORD E-150 ECONOLINE CLUB WAGON

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

    1982 FORD F-100

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

    1980 FORD F-100

    • EngineType: V8
    • SubModel: RANGER

    1971 FORD TORINO

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

    1979-1980 FORD E-350 ECONOLINE

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

    1980 LINCOLN CONTINENTAL

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

    1980 FORD F-100

    • EngineType: V8
    • SubModel: RANGER LARIAT

    1979-1982 FORD F-250

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

    1970 FORD E-300 ECONOLINE

    • CC: 4949
    • Liter: 5.0
    • SubModel: CHATEAU WAGON
    • EngineType: V8

    1984-1985 LINCOLN CONTINENTAL

    • EngineType: V8
    • SubModel: VALENTINO

    1972-1974 FORD GRAN TORINO

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

    1983-1985 MERCURY GRAND MARQUIS

    • EngineType: ALL
    • SubModel: LS

    1968-1969 MERCURY COMET

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

    1980 FORD THUNDERBIRD

    • EngineType: V8
    • SubModel: SILVER ANNIVERSARY

    1983-1988 FORD THUNDERBIRD

    • EngineType: V8
    • SubModel: LX

    1977-1979 FORD LTD II

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

    1983-1986 FORD F-250

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

    1968-1972 FORD COUNTRY SQUIRE

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

    1979-1980 FORD E-150 ECONOLINE

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

    1979-1980 FORD E-350 ECONOLINE CLUB WAGON

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

    1984-1985 LINCOLN MARK VII

    • EngineType: V8
    • SubModel: BASE

    1979 FORD E-150 ECONOLINE

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

    1970 FORD E-300 ECONOLINE

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

    1969-1974 FORD E-200 ECONOLINE

    • EngineType: V8
    • SubModel: CLUB PASSENGER WAGON

    1993 MERCURY COUGAR

    • EngineType: V8
    • SubModel: XR-7

    1975 FORD E-100 ECONOLINE

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

    1982 LINCOLN CONTINENTAL

    • EngineType: V8
    • SubModel: BASE

    1983 FORD E-100 ECONOLINE CLUB WAGON

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

    1984-1986 FORD E-250 ECONOLINE

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

    1983-1984 FORD E-150 ECONOLINE

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

    1982 FORD LTD

    • EngineType: ALL
    • SubModel: COUNTRY SQUIRE

    1987-1991 MERCURY GRAND MARQUIS

    • EngineType: ALL
    • SubModel: GS

    1973 FORD E-200 ECONOLINE

    • EngineType: V8
    • SubModel: CUSTOM WAGON

    1979-1983 FORD E-100 ECONOLINE CLUB WAGON

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

    1984-1993 FORD MUSTANG

    • EngineType: V8
    • SubModel: LX

    1968-1971 FORD TORINO

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

    1984-1985 FORD LTD

    • EngineType: V8
    • SubModel: BASE

    1982 LINCOLN CONTINENTAL

    • EngineType: V8
    • SubModel: GIVENCHY

    1974 FORD E-300 ECONOLINE

    • EngineType: ALL
    • SubModel: CARGO

    1979 FORD MUSTANG

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

    1979-1980 FORD E-250 ECONOLINE CLUB WAGON

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

    1978-1979 FORD GRANADA

    • EngineType: V8
    • SubModel: ESS

    1970 MERCURY COUGAR

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

    1979-1980 FORD F-350

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

    1972-1974 FORD F-350

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

    1982-1983 FORD F-150

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

    1975-1977 FORD GRANADA

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

    1975 FORD E-150 ECONOLINE

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

    1979 FORD F-100

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

    1968 FORD E-100 ECONOLINE

    • EngineType: V8
    • SubModel: BASE

    1983-1984 FORD E-250 ECONOLINE

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

    1982 FORD MUSTANG

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

    1986-1992 LINCOLN MARK VII

    • EngineType: ALL
    • SubModel: ALL

    1979-1980 FORD F-350

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

    1985 FORD E-150 ECONOLINE CLUB WAGON

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

    1985-1992 FORD F-250

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

    1969-1973 FORD E-300 ECONOLINE

    • EngineType: V8
    • SubModel: CARGO

    1979 MERCURY CAPRI

    • EngineType: V8
    • SubModel: BASE

    1977-1980 FORD F-250

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

    1979-1981 FORD F-250

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

    1980 FORD F-100

    • EngineType: V8
    • SubModel: CUSTOM

    1982 FORD F-100

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

    1982 FORD F-250

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

    1982 MERCURY CAPRI

    • Liter: 5.0
    • EngineType: V8
    • SubModel: RS

    1970-1971 FORD TORINO

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

    1977-1978 FORD LTD II

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

    1970 FORD E-200 ECONOLINE

    • EngineType: V8
    • SubModel: CUSTOM WAGON

    1974 FORD E-200 ECONOLINE

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

    1970-1972 FORD LTD

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

    1983-1986 FORD LTD

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

    1977 MERCURY COUGAR

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

    1978-1980 LINCOLN VERSAILLES

    • EngineType: ALL
    • SubModel: ALL

    1979-1980 FORD E-250 ECONOLINE

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

    1983 FORD F-100

    • EngineType: V8
    • SubModel: XLT LARIAT

    1987-1991 FORD E-250 ECONOLINE

    • Liter: 5.0
    • EngineType: V8
    • SubModel: CUSTOM
    Items You Need