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Mopar Performance P5007903

Mopar Performance Billet Crankshaft Billet 4340 Steel

312-P5007903

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$4,199.99
Mopar Performance Billet Crankshaft Billet 4340 Steel $4,199.99
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Billet Crankshaft
  • Billet 4340 Steel
  • 3.80" Stroke
  • 318/340 Main Journals
  • 2.000" Rod Journals (Use w/ SBC Small Journal Rod Bearings)
  • 6-Bolt GM Rear Flange (Fits Standard Sprint Car U-Joint)
  • Mopar Performance P5007903 Details

    Crankshafts

    Specifications:

    Quantity
    Sold individually
    Crankshaft Material
    Billet steel
    Engine Stroke (in.)
    3.8
    Main Bearings Included
    No
    Rear Main Seal Style
    2-piece
    Rod Bearings Included
    No
    Lightened
    Yes
    Requires Narrow Bearings
    Yes
    Crankshaft Snout Style
    Standard
    Rod Journal Diameter (in.)
    2
    Engine Balance
    Internal
    Main Journal Diameter (in.)
    2.5
    Manufacturer's Part Number:
    P5007903

    Normally used in 410ci Sprint Cars and Dirt Late Models, the Mopar A8 is an aluminum small block racing engine. It must be used with a dry sump oiling system and the gear drive systems shown below.

    A8 Aluminum Block Features
  • Full Bell-Housing
  • Siamese Bore Casting, 318/340 Mains
  • Ductile Iron Cylinder Sleeves with 4.120" Rough Bore
  • 4-Bolt Billet Steel Main Caps (Center 3-Caps)

  • Items You Need

    Some parts are not legal for use in California or other states with similar laws / regulations

    Motor Vehicles

    WARNING: Motor vehicles contain fuel, oils and fluids, battery posts, terminals and related accessories which contain lead and lead compounds and other chemicals known to the State of California to cause cancer, birth defects and other reproductive harm. These chemicals are found in vehicles, vehicle parts and accessories, both new and as replacements. When being serviced, these vehicles generate used oil, waste fluids, grease, fumes and particulates, all known to the State of California to cause cancer, birth defects, and reproductive harm.

    Tools:

    WARNING: Some dust created by power sanding, sawing, grinding, drilling, and other construction activities contains chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. Some examples of these chemicals are: lead from lead-based paints, crystalline silica from bricks and cement and other masonry products, and arsenic and chromium from chemically treated lumber. Your risk from exposure to these chemicals varies, depending on how often you do this type of work. To reduce your exposure, work in a well-ventilated area and with approved safety equipment, such as dust masks that are specially designed to filter out microscopic particles.

    Electrical Cords

    WARNING: The wires of these products contain chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. Wash hands after handling.