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 - 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...

S&S - 97 INCH BIG BORE KIT Black or silver powder-coat finish. Easy installation: no need to bore or split existing cases, just swap the cylinders. Made in the U.S.A. Even though stock...

S&S crankpin - Made in the U.S.A. Include crankpin, nuts and key (where required). Compatible Vehicles Years Make Make Notes 1958-1964 Harley-Davidson Duo Glide...

S&S - Super Stock Engine Cases Cases are available for 3.5 inch stock and 3.625 inch big bore (specified in title) motors for any stroke up to and including 5 inch and most stock length...

S&S - CAM KITS FOR TWIN CAM 570 SERIES GRIND CAMS 99-04 models require high-lift springs. Strongest from 3,200-5,700 rpm. 570G/570C chain drive cams are for 88/96/103 cubic-inch engines with...

S&S - 570 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...

S&S - CAM KITS FOR TWIN CAM 510 SERIES GRIND CAMS Strongest from 3,000-5,000 rpm. Stock pushrods and valve springs acceptable. 510G/510C cams are designed as bolt-in cam for 88",...

S&S - CAM KITS FOR TWIN CAMS - 2007-2017 Harley Big Twins, EXCEPT 2017 Touring models 585 SERIES GRIND CAMS 585G gear drive cams are for 88/96/103/110 cubic-inch engines with compression ratios...

S&S - 106 Inch Twin Cam Cylinder And Piston Kit Made in the U.S.A. For use with S&S 106 inch twin cam stroker kit ONLY. 10.5:1 Compression ratio. NOTE: This project requires a skilled...

S&S - CAM FOR EVOLUTION-STYLE ENGINES S&S Cams are tested on the dyno, street and track before being offered to the public. With hundreds of hours of testing on each cam, you know you...

S&S - CYLINDER HEADS FOR EVO MOTORS WITH STOCK-STYLE PISTONS Slight increase in compression (8.8:1 in an 80ci motor) with 82cc chamber volume. Now S&S heads are available to be used with...