4402961/4402961
S&S Cycle 570G Grind Gear Drive Cam Gears Kit .570 Lift Harley Twin Cam 99-06 | 33-5178
- Brand S&S Cycle
- Model 4402961
- Availability In Stock
IN BRAND NEW CONDITION
PART # 33-5178
DRAG PART # 2007-2570
TUCKER PART # 499471
Fits: 1999-2006 Harley-Davidson Twin Cam Models (Excluding 06 Dyna) with Chain Drive
- 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.
Note: Installation kit required for proper installation - sold separately. 1999 Twin Cam will need to use the splined cam drive OEM 25716-99
570 SERIES GRIND CAMS
- 570G/570C chain drive cams are for 88/96/103 cubic-inch engines with compression ratios between 9:1 and 10:1
- Strongest from 3,200-5,700 rpm
| Grind | Open | Close | @ .053 | Valve Lift |
570 Series |
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| Intake | 20° | 40° | 240° | .570 |
| Exhaust | 55° | 20° | 255° | .570 |
| 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 |