S&S big bore conversion kit 88ci to 97ci for Harley Davidson Twin Cam 88 models 1999-2006 includes pistons, black finish cylinders and a complete top end gasket set. Bolt on kit ready to install and run.
- S&S 97 cubic inch Bolt-on big bore kit for Harley Davidson Twin Cam 88 models 1999-2006
- No crankcase machining required for installation
- Largest bore that S&S feels can safely be used in a cylinder with stock spigot O.D.
- Increased fin area for better heat dissipation
- Forged coated pistons are compatible with stock heads or S&S super stock 79cc and 89cc heads
- Valve pocket recessed in S&S pistons are enlarged for oversize valves and higher lift cams
- Kit includes Top end gasket kit , piston set with rings, S&S cylinders, installation instructions
- This set comes in black finish and color matches stock Harley Davidson finish
- Intended to be installed with stock heads