S&S Cycle #330-0643 - Camshaft Kit - 550C Chain Drive - M8

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