Rebuild your tappets with the S&S replacement Tappet rollers. They fit 1929-1956 Side Valve Big Twin motors, 1936-1984 OHV Big Twins and 1957-1985 Ironhead Sportster® models.This Part Fits:YearMakeModelSubmodel1980-1984Harley-DavidsonFLHS Electra Glide...

S&S Cycle 48-99 BT BT Tappet Guide Rear Gasket

Precision machined tappets complete with premium hydraulic unitsThis Part Fits:YearMakeModelSubmodel1980-1984Harley-DavidsonFLHS Electra Glide SportBase1980-1983Harley-DavidsonFLT Tour GlideBase1982-1984Harley-DavidsonFXRS Low...

S&S premium quality tappet block gaskets for 1948-1999 Big Twin enginesThis Part Fits:YearMakeModelSubmodel1997-1999Harley-DavidsonFLHR Road KingBase1998-1999Harley-DavidsonFLHRCI Road King ClassicBase1996-1997Harley-DavidsonFLHRI Road...

Stylish Black pushrod tubes enhance the look of your engine. Great match for the Black engine covers offered on some new HD models. Pushrod Tubes only. Requires separate opurchase of keepers.

S&S Cycle 84-99 BT 3-5/8in Head Gasket - 2 PackThis Part Fits:YearMakeModelSubmodel1997-1999Harley-DavidsonFLHR Road KingBase1998-1999Harley-DavidsonFLHRCI Road King ClassicBase1996-1997Harley-DavidsonFLHRI Road KingBase1984,1987-1993Harley-DavidsonFLHS...

S&S® chromed steel pushrod cover keeper set for stock 1936-'16 HD® big twins 2.600" long, sold in sets of four.

S&S® 80" Cast Flat-Topped Replacement Piston Kits For 1984-'99 HD® Big Twins W/ Stock Heads or S&S Performance Replacement Heads - STD.

Whether you're racing Hooligan flat-track or just want more power, the S&S Hooligan kits for 2000-'21 Harley-Davidson Sportster models will give you an edge on the competition. Boost that 883 to 1200cc. Bolt on big bore kits mean easy installation with...

Boost any 883cc Harley-Davidson Sportster to 1200cc. No machine shop? No problem, no machining is needed. Don't want to rebalance your stock 883cc flywheels? You don't need to since these pistons weigh the same as stock 883 pistons. Cylinder head...

20 percent flow increase on supply side and 52 percent flow increase on scavenge.

The Air Stinger takes the existing high flow Stealth air cleaner and replaces the air smoothing stinger with a similarly shaped filter element. More filter surface equals a 55 percent gain over a factory filter in an M8. The Air Stinger filter element is...