S&S

S&S T124 ENGINES (HIGH COMPRESSION) The ultimate power producing and reliable drop in engine available! This engine features high compressio...

S&S T124 ENGINES (LOW COMPRESSION) The ultimate power producing and reliable drop in engine available! Great option for sport touring riding...

S&S T143 ENGINES The ultimate power producing and reliable drop in engine available! The biggest and baddest engine S&S offers. Features...

S&S TOP MOTOR MOUNT FOR T143 ENGINES Specifically made for  '08 & '09-'16 Touring models to install the S&S T143 engine Includes ness...

S&S V96R ENGINE    Excellent choice for states with someone who wants a street legal and emissions legal performance engine!  We've been insta...

S&S V80R ENGINE    Excellent choice for states with someone who wants a street legal and emissions legal performance engine!  We've been insta...

S&S V80 ENGINE    Excellent choice for states with someone who wants a cost effective performance engine! Have an old Evo that is cracked or n...

S&S CV (SPIGOT) STYLE MANIFOLDS For use with spigot style carburetors 40mm-48mm (Harley CV, Mikuni HSR, etc.) For use with stock or S&S he...

S&S 590G GEAR DRIVE CAMSHAFT KIT- '17+ M8 Models The 590G cam was designed as an all out Horsepower Cam for 124 and larger engines. Big lift le...

S&S 590C CHAIN DRIVE CAMSHAFT KIT- '17+ M8 Models The 590C cam was designed as an all out Horsepower Cam for 124 and larger engines. Big lift l...

S&S SIDEWINDER .650" LIFT VALVE SPRINGS For valve lift to .650” with 1.860”/​178 lb. installed height, 376 lb. at max lift High Performance co...

S&S QUICKEE PUSHRODS Kits include four S&S Quickee pushrods, four pushrod covers & gaskets! (Evolution & Shovel head kits do not i...

S&S CAM PLATE M8 Precision Machined from Billet Aluminum Blue Anodized Finish Passage Plugs are removeable for Servicing Made in USA Fitment ...

S&S OIL PUMPS M8 Water cooled model pump features 20% flow increase on supply side and 52% flow increase on scavenge Oil cooled pump feature...

S&S CAM CHAIN TENSIONERS (M8 & TWIN CAM) Thicker shoe for longer wear Direct chain oiling Larger piston Tighter tolerance for improved sta...

Factory tappet guides are constructed of plastic and are at risk for allowing the tappets to twist under heavy stress. S&S Tappet Cuffs capture...

S&S Cycle has upped our intake game with a new M8 manifold and leveraged a 5-Axis CNC machining center for the ultimate in consistent shape and...

S&S PISTON COOLING JETS (M8 & TWIN CAM) M8 Piston cooling jets Crafted from strong, billet 6061 T6 aluminium Patent pending dual spray tec...

107" to 129" Big Bore Kit: Available With or Without Fin Highlighting Bolt-On Kit — No Case Machining Required 4.320" Bore Forged Pistons 11.1...

114/117" to 132" Big Bore Kit: Wrinkle Black or Black Granite Finish Available With or Without Fin Highlighting for Wrinkle Black Bolt-On Ki...

The factory oil control valve on all oil cooled M8 engines regulates the amount of oil flowing to the oil cooler/heads. The stock assembly includes...

S&S cycle now offers high performance engine cases for the Milwaukee-8 engine for FLH/FLT Touring. These heavy duty cases provide the ultimate ...

S&S has been building big bore kits since the 60s and has it down to an absolute science. Our latest efforts are aimed at the Milwaukee Eight® ...

The flywheels are the heart of any performance engine and S&S Cycle has been perfecting the art for over six decades. Stronger, more durable, a...