S&S Cycle 330-0470 MR103 Chain Drive Camshaft Kit

Bolt-in cam for 103in. Twin Cam motors. Use with stock heads and low restriction intake and exhaust. Broad torque curve improves output over stock over the entire rpm range. Cams for 00-06 Twin Cam are for use with stock splined drive gears; for installation on 99 Twin Cam motors you must purchase splined outer drive sprocket; S&S recommends that Andrews 4340 steel drive sprocket PART #DS-199175 be used. Cams for 06 Dyna and 07-17 Twin Cam are for use with models with hydraulic tensioner chain-drive system; cams 510C and 551C are bolt-in applications, all others require high-lift valve springs. Made in the USA. NOTE: Installer must check coil bind, valve-to-valve clearance and valve-to-piston clearance Bolt-in cam for 103in. Twin Cam motors. Use with stock heads and low restriction intake and exhaust. Broad torque curve improves output over stock over the entire rpm range. Cams for 00-06 Twin Cam are for use with stock splined drive gears; for installation on 99 Twin Cam motors you must purchase splined outer drive sprocket; S&S recommends that Andrews 4340 steel drive sprocket PART #DS-199175 be used. Cams for 06 Dyna and 07-17 Twin Cam are for use with models with hydraulic tensioner chain-drive system; cams 510C and 551C are bolt-in applications, all others require high-lift valve springs. Made in the USA. NOTE: Installer must check coil bind, valve-to-valve clearance and valve-to-piston clearance Intake- Open: 13deg. , Close: 33deg. , Duration @ .053: 226deg. , Valve Lift: .585in. Exhaust- Open: 50deg. , Close: 22deg. , Duration @ .053: 252deg. , Valve Lift: .585in.