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

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

Fitment:

Replacement pistons for '17-later Milwaukee-Eight® models equipped with 128CI Stage IV kits.

Intermountain H-D Part #:

21900101