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PART# 33-5178 or499471 or 2007-2570
S&S Cycle 33-5178Complete Gear Drive Camshaft 570G Cam Kit
• The S&SCamshaft Gear Drive Kit increases valve timing accuracy by eliminating timingchain lash and the loosely fit stock cam gears• This is accomplished byreplacing the stock cam drive sprockets and chain with light press fit S&Sgears• Because the chain, chain guides, and tensioner are eliminated, there isno longer a possibility for these parts to fail and damage other parts• TheS&S Camshaft Gear Drive Kit reverses the rear cam’s direction of rotation,providing additional operating clearance between cam lobes• As a result, highercam lifts are possible with the gear drive kit
Applcation: TWIN CAM
Designed for 88in. to96in. engines with compression ratios between 9:1 and 10:1
Strongest from3,200-5,700 rpm
1999-2004 modelsrequire high-lift springs
Intake Opening(degrees): 20
Intake Closing(degrees): 40
Exhaust Opening (degrees):55
Exhaust Closing(degrees): 20
Intake Duration(degrees): 240
Exhaust Duration(degrees): 255
Valve Lift (in): .570
Intake Centerline(degrees): 100
Exhaust Centerline(degrees): 107.5
Intake Lift at TDC(in): .187
Exhaust Lift at TDC(in): .179
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