- New Arrival
Developed to work in concert with the Screamin’ Eagle® Milwaukee-Eight® 128CI 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 4.375" Stroke
- Replacement pistons for 17-later Milwaukee-Eight® models equipped with 128CI 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
Replacement pistons for '17-later Milwaukee-Eight® models equipped with 128CI Stage IV kits.
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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.
Warranty1 year limited warranty – Go to www.h-d.com/warranty for full details
Requires ECM CalibrationYes
Sold in UnitPair
In The BoxTwo pistons, rings, wrist pins, clips and installation instructions
Upgrade Stage LevelStage IV
Please Hold Your Iron Horses