Valvetrain

S&S - CAM KITS FOR TWIN CAM 625 SERIES GRIND CAMS 625 cams are for 88/96/103/110 cubic-inch engines with compression ratios from 10:1 to 10.75:1. Strongest from 3000-6000 rpm. High lift springs...

High strength, precision made replacements for the stock camshaft outer bearings that mount in 1999-2006 style cam plates of 1999-2006 style Harley Big Twin OE engines Recommended when installing...

Cast iron intake/exhaust guide Fits S&S Super Stock and stock Harley Davidson cylinder heads Guide ID measures approximately .309" / .310" with enough material left for proper clearancing Made...

Cast iron intake/exhaust guide Fits S&S Super Stock and stock Harley-Davidson cylinder heads Fits S&S Super Stock and stock Harley-Davidson cylinder heads Guide ID measures aprox. .309"/.310"...

Cast iron intake/exhaust guide +0.002" oversize bore Fits S&S Super Stock and stock Harley-Davidson cylinder heads Guide ID measures aprox. .309"/.310" with enough material left for proper...

For use in custom applications where stock keepers won't fit Chromed steel finish 2.8" length Sold in kits of four assemblies; enough for one engine

S&S chromed steel pushrod cover keeper set For stock 1936-2016 Harley big twin engines 2.500" long Sold in sets of four Compatibl

The S&S 551 cam is designed for engines with 96 to 106 CID and 9:1 to 10:1 compression. This is a bolt-in cam set designed for stock or mildly modified touring bikes. Greatly improves low-end and...

S&S .570 inch lift cams are designed for 88 to 96 inch engines with compression ratios between 9:1 and 10:1 This 570CE Chain Drive Easy Start cam is designed to increase performance at an affordable...

551 cams are bolt-in cams for 1999-2006 engines. Cams that exceed the limits of the stock valve springs require the use of special high lift springs. Most S&S cams have higher lift than stock and are...

S&S - 551 Easy Start Cam Kit Save your starter and battery; tested for 10,000 starts without running battery down. Start any engine regardless of displacement or compression ratio with a stock...

S&S - 557 Easy Start Cam Kit Save your starter and battery; tested for 10,000 starts without running battery down. Start any engine regardless of displacement or compression ratio with a stock...