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330-0643 550C CHAIN DRIVE CAMSHAFT KIT FOR 2017-UP M8 MODELS
S&S CYCLE
Part Number : 330-0643
330-0643
•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)
**** PLEASE NOTE ***** : 330-0643 IS A QUALITY AFTERMARKET PRODUCT. ANY OEM HARLEY PART NUMBERS IN THE TITLE OR DESCRIPTION OF THIS ITEM ARE FOR REFERENCE ONLY , THIS IS A QUALITY AFTERMARKET PRODUCT THAT WE HAVE SOURCED AS AN ALTERNATIVE TO THE OEM VERSION OR FOR WHEN HARLEY-DAVIDSON HAVE CEASED TO MANUFACTURE THE OEM PART.
Part Number : 330-0643
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 |
**** PLEASE NOTE ***** : 330-0643 IS A QUALITY AFTERMARKET PRODUCT. ANY OEM HARLEY PART NUMBERS IN THE TITLE OR DESCRIPTION OF THIS ITEM ARE FOR REFERENCE ONLY , THIS IS A QUALITY AFTERMARKET PRODUCT THAT WE HAVE SOURCED AS AN ALTERNATIVE TO THE OEM VERSION OR FOR WHEN HARLEY-DAVIDSON HAVE CEASED TO MANUFACTURE THE OEM PART.
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