S&S Cycle 510C Chain Drive Camshaft Kit 33-5182 Designed as a bolt in cam for 88in., 95in., and 96in. engines with compression ratios below 9.7:1. Intended primarily for stock heads that have not been ported. As quiet as stock but produces significant power increases across the RPM range, especially above 3000 RPM Compatible with the stock splined chain sprocket used in 00-06 Twin Cam (exc. 2006 Dyna) engines, but may be used in 1999 engines if the H-D 00-04 style splined rear cam sprocket is used