S&S Twin Cam Big Bore Kit

Description

Weight: 27.00 Go from 96″ to 106″ for 2007-2012 Big Twins or go from 88″ to 97″ for 1996-2006 Big Twins. Largest bore that we feel can safely be used in a cylinder with a stock spigot O.D.. Bolt-on 9 to 10 cubic inches – cylinders do not require crankcase machining to install. Increased fin area for better heat dissipation. Forged coated pistons are compatible with stock or S&S Super Stock ® 79cc & 89cc heads. Valve pocket recessed in S&S pistons are enlarged for oversize valves and higher lift cams. 11 fins and full fin pattern on cam side closely resembles OEM shape. S&S logo and part numbers are less conspicuous. Silver powder coat or wrinkle black powder coat cylinder finish color matches Harley-Davidson ® finish. Kit Contains: Piston set with rings. Top end gasket kit. S&S cylinders. Installation instructions. S&S CYCLE INC® Wrinkle Black Powder Coat Finished Bore Kit Fits Big Twin models 1999/2006 88″ to 97″ Displacement Not legal for sale or use in California, or on any pollution controlled vehicles.