S&S 550G Gear Drive Camshaft Kit HD FXLRS, FLTRXSTSE, FXBR, FXLRST, 2018+

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