S&S 865cc Big Bore Piston Kit (920-0145)
$875.95
- Complete kits include cylinder sleeves, pistons and head gasket
- 865cc Increases bore and stroke to 90 mm x 67.8 mm (stock is 78 mm x 67.8 mm)
- Increases compression ratio to 11.0:1 (stock is 9.5:1)
- Made in the U.S.A
- FOR CLOSED COURSE COMPETITION USE ONLY. NOT INTENDED FOR STREET USE. LEGAL IN CALIFORNIA ONLY FOR RACING VEHICLES WHICH MAY NEVER BE USED, OR REGISTERED OR LICENSED FOR USE, UPON A HIGHWAY