Underdrive pulleys add 6 RWHP! Get yours today includes needed belt!
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02-13-2012, 11:33 AM
Drives: 2012 Camaro RS, RX supercharged
Join Date: Dec 2009
Location: Bradenton, FL
And GM Parts house has the altenator overdrive pulley to compensate for the alt output as well. Billet 6061 T6 Aluminum. Spins the alt faster so you increase output at idle.
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