S&S - SUPER STOCK™ CYLINDER HEADS FOR TWIN CAM 79cc have 1.940 inch intake and 1.575 inch exhaust valve and springs for up to .640 inch lift; 89cc have 2.000 inch intake and 1.605 inch...

S&S crankpin - Made in the U.S.A. Include crankpin, nuts and key (where required). Compatible Vehicles Years Make Make Notes 1978-1981 Harley-Davidson Roadster...

Machined with an oil pressure relief bleed off valve to maintain consistent oil pressure from the time the engine is started to the time it's shut off. Oil pressure regulation bypass route allows...

S&S - ALTERNATOR GEAR COVER KIT Cast aluminum Made in the U.S.A. Chrome finish Includes points cover Compatible Vehicles Years Make Make Notes 1983 Harley-Davidson Disc Glide...

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 - 106 Inch BIG BORE KIT Kits include cylinders, pistons, rings and gaskets (head, base and exhaust). Made in the U.S.A. The 106 inch Big Bore kit yields excellent results with stock...

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 - Heavy Duty Connecting Rod Set Crankpin has two oil holes and rod has four slots ground on each side of the throw ends to help maintain the oil film on thrust faces. Made in the U.S.A...

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...

S&S - HIGH VOLUME/HIGH PRESSURE (HVHP) POLISHED BILLET OIL PUMP Available as a kit or oil pump only. (See Title) Kits include supply gears, return gears, drive shaft, drive shaft keys, drive...

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...