S&S Cycle 2017 M8 Models 550C Chain Drive Camshaft Kit

330-0643

FEATURES & BENEFITS
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:
930-0123 Quickee Adjustable Pushrods with Cover Keepers for 2017-up M8 Models
900-0958 Heavy Duty Valve Spring kit for 2017-19 M8 Touring Models

Suggested:
330-0718 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