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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

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    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?

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