ENGINE AND COMPONENETS

  Big Bore Kit: 107" to 124" Big Bore Kit Winkle Black Finish with Fin Highlighting Bolt-on kit. No case machining required 4.250" bore Forged Pis...

S&S GEAR DRIVE 475G CAM CHEST KIT 17'-LATER M8 MODELS- CHROME, OIL COOLED Excellent all around power and torque cam! Good application for rider...

S&S GEAR DRIVE 475G CAM CHEST KIT 17'-LATER M8 MODELS- BLACK, OIL COOLED Excellent all around power and torque cam! Good application for riders...

S&S HIGH-PERFORMANCE TAPPETS   A must when doing any performance cam upgrade Rollers have a larger-than-stock inner bearing race that reduces ...

S&S PRECISION HIGH-PERFORMANCE TAPPETS A must when doing any performance cam upgrade Rollers have a larger-than-stock inner bearing race that ...

S&S cam support plates are just what the doctor ordered when repairing a damaged engine or installing new camshafts. CNC machined from forged a...

The S&S® TC3 oil pumps and cam support plates, Twin Cam HD® big twins, are highly recommended for any cam installation, but they are a must if ...

Race only 136" engine specs: Cylinder Heads High-flow cylinder heads with premium seats, guides, valves, springs, and seals +1mm oversized intake...

The Man O' War motorsprocket is the 1st performance engineered primary motor sprocket that replaces the OEM Compensator on ‘17- present Milwaukee 8...

FEULING HIGH LOAD premium performance BEEHIVE valve springs handle up to 750 lift camshafts on Twin Cam, Evo and XL. Up to 565 lift on M8 models wi...

FEULING ENDURANCE BEEHIVE valve springs are a direct bolt in replacement up to 650 lift (Twin cam/Evo/XL) and 565 lift (M8) camshafts no spring sea...

Introducing the next evolution in performance for your primary drive: the S&S Cycle Heavy Duty Compensator Ramp for Harley-Davidson® M8 models!...

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...

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® ...

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 ...

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...

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...

Full Race M8 Cam .615 Most Powerful - Designed for Maximum Performance 3000 to 7000 RPM Range .615 Lift, Intake Closes at 52 ABDC Must us...

F35A Milwaukee 8 Cam .572 ​ New design with high lift and short duration Performs like the famous 30/30 but has .087 more lift. 2300 to 6500 ...

FEULING HYDRAULIC TENSIONERS AND REPLACEMENT PADS FEULING stock replacement hydraulic cam chain tensioners - MADE IN AMERICA. Tensioner housings ar...

FEULING CAM INSTALL KITS (M8 & TWIN CAM) Includes all the gaskets and Timken bearings necessary to install a new cam/cams! Includes ARP cam an...

FEULING QUICK INSTALL PUSHRODS (TWIN CAM) TC Quick Install Adjustable pushrods + tube kit, 3/8 OD tube, 0.134 wall thickness, set of 4 pushrods. In...

FEULING HP+ ONE PIECE PUSHRODS (M8)Eliminate pushrod flex, reduce valve-train harmonics and increase valve liftFixed Length 4130 Chrome moly one pi...