FEATURES & BENEFITS
- 550G is an ideal Horsepower Cam for 114 and larger engines
- Eliminates cam drive chain and tensioner
- Kits include all required bearings, o-rings, and hardware Gear drive cams provide improved valve timing accuracy
- 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-up M8 Touring Models
Suggested:
330-0718 Precision Tappet Set Without HL2T Kit For 1999-'18 HD Big Twins, 2000-'19 HD® Sportster®, and 2017-up 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 |