ENGINE AND COMPONENETS

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...

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...

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 RACE SERIES OIL PUMP (CENTER/WATER COOLED M8) FEULING WATER COOLED high volume billet oil pumps are a must have for the Milwaukee Eight eng...

FEULING RACE SERIES OIL PUMP (OIL COOLED M8) FEULING OIL COOLED high volume billet oil pumps are a must have for the Milwaukee Eight engine. The in...

FEULING HP+ OIL PUMP (CENTER/WATER COOLED M8) FEULING WATER COOLED high volume billet oil pumps are a must have for the Milwaukee Eight engine. The...

FEULING HP+ OIL PUMP (OIL COOLED M8) FEULING OIL COOLED high volume billet oil pumps are a must have for the Milwaukee Eight engine. The increased ...

FEULING RACE SERIES CAM PLATE (M8 CHAIN OR GEAR DRIVE) Increase engine oil flow and volume by enlarging the oil pump reservoirs and critical oil pa...

FEULING RACE SERIES OILING SYSTEM (WATER COOLED M8) Quieter and smoother engine operation Increase oil pressure, scavenge volume and engine oil fl...

FEULING RACE SERIES OILING SYSTEM (OIL COOLED M8) Quieter and smoother engine operation 27% more pressure and scavenge gear volume over stock 42% ...

FEULING  HP+ OILING SYSTEM (WATER COOLED M8) 30% more pressure gear volume over stock 53% more scavenge gear volume over stock 42% more scavenge v...

FEULING  HP+ OILING SYSTEM (OIL COOLED M8) Quieter and smoother engine operation 27% more pressure and scavenge gear volume over stock 42% more sc...

FEULING 630 CONVERSION STYLE CAMSHAFTS ('99-'06 TWIN CAM) 630 CAMS - Vicious power gains, wide streetable power band from a high lift profile camsh...

FEULING 594 CONVERSION STYLE CAMSHAFTS ('99-'06 TWIN CAM) 594 CAMS - Fierce performing camshaft for an array of engines sizes, large displacement e...

FEULING 630 CHAIN DRIVE CAMSHAFTS ('99-'06 TWIN CAM) 630 CAMS - Vicious power gains, wide streetable power band from a high lift profile camshaft f...

FEULING 594 CHAIN DRIVE CAMSHAFTS ('99-'06 TWIN CAM) 594 CAMS - Fierce performing camshaft for an array of engines sizes, large displacement engine...

FEULING 574 CHAIN DRIVE CAMSHAFTS ('99-'06 TWIN CAM) 574 CAMS - Wicked power band for modified engines and an excellent bolt in for 95"+ engines. T...

FEULING 525 CHAIN DRIVE CAMSHAFTS ('99-'06 TWIN CAM) 525 CAMS - A real workhorse, designed to increase torque band width and increase fuel economy....

FEULING 574 CONVERSION STYLE CAMSHAFTS ('99-'06 TWIN CAM) 574 CAMS - Wicked power band for modified engines and an excellent bolt in for 95"+ engin...

FEULING 543 CONVERSION STYLE CAMSHAFTS ('99-'06 TWIN CAM) 543 CAMS - The Freeway Flyer, a great camshaft for those who want more top end power than...