S&S Cycle Big Bore Cylinder Kit Stone Gray Twin Cam - 910-0474 For Harley Motorcycles 2007-2017 Brand_Wind Vest models with 1157 contact bases

models with 1157 contact bases without center taillight (must have bullet-style (pop off) lens)

Provides up to 2-1/2" of additional leg room and widens the floorboards 1-1/2" to help ease hip stress

Dual thumbscrews allow you to quickly loosen/tighten the ball and socket joints to allow unlimited positioning

The cover wraps the Gel-Core that combines the co-molding process

is attached to the inside of the helmet’s main visor through a secure

S&S Cycle Big Bore Cylinder Kit Stone Gray Twin Cam - 910-0474 For Harley Motorcycles 2007-2017 Brand_Wind Vest models with 1157 contact basesNote: 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)