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    4-3/8" Bore Cylinder Only Sets for X-Wedge® Engines - Wrinkle Black

    Item #: 910-0001
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    $611.95
    PowerTerms

    Increase the displacement of your X-Wedge engine with these bolt-on cylinder and piston kits. Increase the displacement of your X-Wedge engine with these bolt-on cylinder and piston kits. A 1/8" bore increase will take an X121 to X128, and a 1/4" bore increase will take an X117 to X132! No changes to the crankcases or flywheels are required. No changes to the crankcases or flywheels are required. Bolt-on Proven Performance® from S&S!

     

    FITMENT

    • S&S X-Wedge® engines

    FEATURES AND BENEFITS

    • Bolt-on performance
    • Increase displacement without crankcase modifications
    • Fits all X-Wedge engines

    OPTIONS

    • Silver powdercoat, wrinkle black powdercoat or polished finish
    x-wedge poston/cylinder upgrade dyno
    This dyno chart shows the performance enhancements from increasing displacement. While peak horsepower is not greatly affected, overall torque drastically increases – 140 ft./lb. at 2500 rpm! Both engines are configured with S&S X569 cams, S&S 58mm throttle body, S&S tuned runner intake and custom made 2:1 header system with a performance muffler.

     

    Replacement 4 3/8" Bore Cylinders & Pistons
    for S&S® X-Wedge® Engines
      X128 X132
    Displacement 128" 132"
    Stroke 4.25" 4.375"
    Bore 4.375" 4.375"
    Cylinder Length 4.645" 4.645"
    Compression Ratio 10:1 10.3:1
    Cylinder Silver Powdercoat 910-0002
    Cylinder Black Wrinkle Powdercoat 910-0001
    Cylinder Full Polished 910-0003
    Replacement  Pistons Forged (for X128) Forged (for X132)
    Standard Piston 920-0003 920-0002
    +.010 920-0006 920-0004
    Cylinder includes one cylinder only. All piston part numbers are for one piston only and include rings, wristpin, and clips. 

     

    Replacement Parts for X128 & X132 Pistons
    Standard Moly Faced Rings 94-4285X
    +.010 Moly Faced Rings 94-4286X
    Wristpin 94-9277
    Keeper 106-0004

     

     

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    Cylinders are honed and ready for assembly. Cylinder sets include front and rear cylinders. Includes head and base gaskets. Pistons are sold seperately. See chart below.
    Disclaimer

    NOT LEGAL FOR SALE OR USE IN CALIFORNIA ON ANY POLLUTION CONTROLLED MOTOR VEHICLE. NOT LEGAL FOR SALE OR USE ON ANY EPA POLLUTION CONTROLLED MOTOR VEHICLE.