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    • New Arrival

    Screamin' Eagle High Compression Piston - 4.310" Bore x 4.5" Stroke

    Part Number 21900099

    FINAL SALE, NON-RETURNABLE

    Quantity:

    FREE SHIPPING WITH $50 PURCHASE
    + FREE RETURNS

    Description

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    Developed to work in concert with the Screamin’ Eagle® Milwaukee-Eight® 131CI Stage IV kits, these pistons increase the engine’s compression and deliver impressive gains in torque and horsepower when coupled with those kits.

    • 4.310" Bore x 4.5" Stroke
    • Replacement pistons for 17-later Milwaukee-Eight® models equipped with 131CI Stage IV kits
    • Forged from high-strength aluminum
    • Precision-machined and features coated skirts for a tight-tolerance fit and quieter operation
    • Complete kit includes two pistons, rings, wrist pins and clips

    Features

    • Warranty

      1 year limited warranty – Go to www.h-d.com/warranty for full details
    • Requires ECM Calibration

      Yes
    • Sold in Unit

      Pair
    • In The Box

      Two pistons, rings, wrist pins, clips and installation instructions
    • Upgrade Stage Level

      Stage IV

    Fitment

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    More Info

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    • These Screamin' Eagle® products are 50-State U.S. EPA compliant for sale and use on all applicable vehicles, including those that are pollution controlled. See Genuine Motor Parts and Accessories or Screamin' Eagle Accessories catalog for fitment information. Screamin' Eagle Performance products are intended for the experienced rider only.

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