330-0643 | 550C Chain Drive Camshaft Kit for 2017-Up M8 Models
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S&S Cycle 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 |
FITMENT DISCLAIMER
Fitment information is provided as a general reference only and is not guaranteed for any motorcycle, whether stock or modified. Compatibility may vary by year, model, and individual configuration.
Customers are responsible for verifying fitment prior to purchase. House of Harley-Davidson assumes no liability for purchases made based on incorrect or unverified fitment information.
Please TEXT 414-282-2211 with any questions before ordering, or use the chat below.