S&S Big Bore Kits for Twin Cam 99-06
The Big Bore kit yields excellent results with stock cylinder heads
Easy installation: no need to bore or split existing cases, just swap the cylinders
Cylinders are constructed from premium aluminum castings with cast-in iron liners
Kits include cylinders, pistons, rings and gaskets (head, base and exhaust)
Black or silver powder-coat finish
Made in the U.S.A.
This project requires a skilled technician. It is the responsibility of the person assembling the parts to check all clearances and assembly specifications.
