REVOLUTION PERFORMANCE BIG BORE KIT INSTALLATION INSTRUCTIONS
Harley Davidson Milwaukee 8 124″
Harley Davidson Milwaukee 8 128″
Harley Davidson Milwaukee 8 139″ – 143″
Harley Davidson Twin Cam, EVO, XL
Harley Davidson Twin Cam, EVO, XL with support rail
***Failure to follow these instructions could result in engine damage and void your warranty!***