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JE Pistons 314627 - Ford 4.6L 4V FSR Pistons -18.4cc Dish, 3.622" Bore, 3.543" Stroke, 5.933" Rod Length, 1.220" CD, .866" Pin

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8.5:1 Compression Ratio
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JEP-314627
  • JEP-314627
  • Description

     

    Part Number  314627
    Application Ford Modular 4.6L 4V 
    Bore  3.622" 
    Cubic Inch  292 CI 
    Stroke  3.543" 
    Rod Length  5.933" 
    Compression Height  1.220"
    Piston Volume -18.4cc
    Piston Skirt Design  Strutted - Forged Side Relief 
    Piston Average Weight  345g
    Compression Ratio 8.5:1 
    Included Wrist Pin 866-2250-15-51C
    Wrist Pin Material  5115 Alloy 
    Wrist Pin Dimension  .866" x 2.250" x .150" Wall - 98g 
    Optional Wrist Pin Upgrade 866-2250-23-93C
    Optional Wrist Pin Material  9310 Alloy
    Optional Wrist Pin Dimesions .866" x 2.250" x .230" Wall - 132g
    Ring Stack  1.0mm x 1.2mm x 2.8mm 
    Recommended Piston Ring Set  JG1008-3622
    Recommended Piston Ring Details  Gas Nitrided Steel Top, Ductile Iron Napier Cut 2nd, Low Tension Oil 

    These JE FSR Pistons are specifically designed for high horsepower Ford Modular applications. The new FSR - Forged Side Relief strutted forging allows for a good amount of weight savings while adding material where it's needed for extra strength. This particular set of Pistons fits the 4.6L 4V Engine with a standard stroke crankshaft and has valve reliefs for the 4V Cylinder Heads. Supplied with .150" Wall 5115 Alloy Wrist Pins. Optional .230" Wall 9310 Alloy Wrist Pins available as an upgrade and suggested for 700 + HP.