S&S CYCLE 0931-0539 910-0221 Big Bore Cylinder Kit - 117" Big Bore Cylinder Kit - Twin Cam - Black

• This kit will require that the case be bored to accept the larger cylinders
• Not recommended for trike models

Features

• Big Bore kit yields excellent results with stock cylinder heads
• Easy installation no need to bore or split existing cases, just swap the cylinders (unless otherwise noted)
• Cylinders are constructed from premium aluminum castings with cast-in iron liners
• Kit includes cylinders, pistons, rings and gaskets (head, base and exhaust)
• Made in the U.S.A.
• Project requires a skilled technician. It is the responsibility of the person assembling the parts to check all clearances and assembly specifications.

Specs

Fitment Disclosure