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Screamin' Eagle High Compression Piston - 4.310" Bore x 4.375" Stroke

List Price: $374.95
Our Price: $318.95
Usually ships within 1-2 business days

Product Details

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.

Intermountain H-D Part #: