4402938/4402938
S&S Cycle 635 H.O. Grind Gear Drive High Power Cam Kit .635 Lift Harley 07-16 | 330-0335
- Brand S&S Cycle
- Model 4402938
- Availability In Stock
- Camshaft gear drive kits increase valve timing accuracy by eliminating timing chain lash and loosely-fit stock chain drive
- Reverses the rear cam's direction of rotation, providing additional operating clearance between cam lobes; as a result, higher cam lifts are possible with the gear drive kit
- Kits include cams, inner gears, outer drive gears, inner and outer bearings, gasket and instructions
- Material must be removed from the inner surface of the stock gear cover to install S&S gear drive cams
- A hydraulic press and other professional-level tools are required to install these kits
- S&S recommends that adjustable pushrod/cover kit PART # 93-5095 be used
- Cam bearings and gaskets must be replaced when installing new cams
- Cams are also available with inner gears only; intended for cam replacement for motors that have already been converted to an S&S gear-drive system
- Made in the U.S.A.
635 H.O. SERIES GRIND CAMS
- High-power cam for modified engines, increase compression, high-lift springs and large bore throttle body required
- For best results requires ported heads, low restriction intake/exhaust
- RPM range 4000-6500
| Grind | Open | Close | @ .053 | Valve Lift |
635 H.O. Series |
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| Intake | 19.5° | 58.5° | 243° | .635 |
| Exhaust | 43.5° | 37.5° | 276° | .635 |
| Grind | Open | Close | @ .053 | Valve Lift |
Stock Carburetors/Injected Cams |
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| Intake | -02° / 02° | 38°/34° | 216°/216° | .473 |
| Exhaust | 36° | 04/04° | 220/220° | .473 |
Fits: 2006-2015 Harley-Davidson Dyna Models and 2007-2015 Harley-Davidson Twin Cam FLH/FLT Softail Models