Performance Engine Kits

Screamin’ Eagle Milwaukee-Eight Engine Stage IV Kit - 114 to 117CI 92500073 This Stage IV Kit was developed to deliver maximum horsepower from the Milwaukee-Eight® engine - all the way to the redline. The system-matched combination of larger...

Harley Screamin’ Eagle Milwaukee-8 Engine Stage III Kit 92500071 Stage III 107 to 114 upgrade delivers up to 39% more power Delivers increased throttle response throughout the entire RPM range Produces flexible roll-on passing power without a...

Screamin Eagle Milwaukee-8 Engine Stage III Kit 92500070 Delivers a significant increase in torque & power over stock while restoring the sensation of riding solo Delivers up to 39% more power compared to the Original Equipment engine...