S&S - XL 883 TO 1200 CONVERSION KIT Increase displacement from 883cc to 1200cc. No cylinder head modifications. No machining. Available in wrinkle black and silver powdercoat finish. Kits...

Rocker boxes must be removed for installation or removal. Sold in sets of four. .4375" diameter chromoly steel for maximum strength. Made in the U.S.A. Compatible...

S&S - 124" Hot Setup Kit For Use With Stock or S&S Cylinder Heads 10.4:1 compression ratio with stock cylinder heads; 10.2:1 compression ratio with S&S 89cc heads (PART #s 0930-0006...

S&S crankpin - Made in the U.S.A. Include crankpin, nuts and key (where required). Compatible Vehicles Years Make Make Notes 1981-1985 Harley-Davidson Roadster...

These forged pistons are designed for use in S&S big bore Hot Set Up Kits for HD Evolution big twin engines, and S&S 3-5/8" bore engines with S&S Super Stock cylinder heads and...

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...

S&S - Replacement Flywheel Assembly For Twin Cam Motors. Fit directly in stock crankcases with no modifications. Flywheel assemblies are designed for use with Timken®-style sprocket shaft...

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...

S&S - QUICKEE PUSHRODS Threaded adjuster screws into the pushrod until the threads disengage and the adjuster simply slides into the pushrod, making installation or removal a snap. Feature...

S&S - CAM KITS FOR TWIN CAM 585 SERIES GRIND CAMS 585G gear drive cams are for 88/96/103/110 cubic-inch engines with compression ratios from 10:1 to 10.5:1. CHAIN DRIVE CAM KITS Made in the...