Pistons - Rings - Cylinders

Compresses rebound piston ring to allow insertion into the cartridge tube Required for assembly of newer KTM forks

Kit includes 8 studs with rounded thread roots, rather than flat, improving fatigue strength. 4140 Chrome Moly studs, oil quenched and tempered to 39-44 HRC. Positive stop shoulder allows for consistent installed height. 180,000 psi tensile strength...

The 100" Power Package is the ideal combination of performance and savings to transform your Twin Cam HD without breaking the bank Bump the early Twin Cam from 88ci to 100ci as well as adding matched cams/cam plate/oil pump and everything else a...

The 100" Power Package is the ideal combination of performance and savings to transform your Twin Cam HD without breaking the bank Bump the early Twin Cam from 88ci to 100ci as well as adding matched cams/cam plate/oil pump and everything else a...

Increased fin area for better heat dissipation Increase bore size from 3.750" to 3.927" 4 3/8" stroke, 10:1 compression with stock heads Easy installation; no machining or rebalancing required Forged coated pistons are compatible...

S&S - 106 Inch BIG BORE KIT Kits include cylinders, pistons, rings and gaskets (head, base and exhaust). Made in the U.S.A. The 106 inch Big Bore kit yields excellent results with stock cylinder heads. Easy installation: no need to bore or split...

S&S - 106 Inch BIG BORE KIT Kits include cylinders, pistons, rings and gaskets (head, base and exhaust). Made in the U.S.A. The 106 inch Big Bore kit yields excellent results with stock cylinder heads. Easy installation: no need to bore or split...

S&S - 106 Inch Twin Cam Cylinder And Piston Kit Made in the U.S.A. For use with S&S 106 inch twin cam stroker kit ONLY. 10.5:1 Compression ratio. NOTE: This project requires a skilled technician. It is the responsibility of the person...