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S&S 550C Chain Drive Camshaft Kit for 2017-Up M8 Models - 0925-1173

Original price $218.95 - Original price $218.95
Original price
$218.95 - $218.95
Current price $218.95


  • 550C is an ideal Horsepower Cam for 114 and larger engines
  • Kits include all required bearings, o-rings, and hardware
  • Made in the USA

Required for installation:
This cam requires Adjustable Pushrods and Heavy Duty Valve Springs. We recommend:
Quickee Adjustable Pushrods with Cover Keepers for 2017-up M8 Models
Heavy Duty Valve Spring kit for 2017-19 M8 Touring Models

Precision Tappet Set Without HL2T Kit For 1999-'17 HD Big Twins, 2000-'20 HD® Sportster®, and 2017-20 M8 Models (Tappets should be replaced every time that the cam is replaced)

Cylinder Valve Timing Valve Duration Valve Lift Lobe Center Line Valve Lift @ TDC
Intake Exhaust Intake Exhaust Intake Exhaust Intake Exhaust Intake Exhaust
Open BTDC/ Close ABDC Open BBDC/ Close ATDC
Front 9.4/29.4 62.5/30.5 218.9 273.1 .550 .550 100.0 106.0 .127 .232
Rear 3.1/31.1 59.4/38.4 214.2 277.8 .550 .550 104.0 100.5 .099 .264



NOT LEGAL FOR SALE OR USE IN CALIFORNIA ON ANY POLLUTION CONTROLLED MOTOR VEHICLE. Not legal for sale or use on any EPA pollution controlled motor vehicle.