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Old 02-27-2010, 09:42 AM   #1 (permalink)
bluestyle55
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Default Can someone explain what the Under Drive Pully does

Would someone mind quickly explaining what the crank drive pully does? What are the performance gains to be had on getting a light weight one? What are the risks of installing them?
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2009 370z 6MT Touring w/ Sport Pkg | Invidia Gemini CBE| Stillen G3 CAI | ERZ HFC's |X-Pel Clear Bra | 20% Tint
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