LS billet aluminum stock large 3.00" diameter 8 rib alternator pulley. This replaces your dull, plain steel alternator pulley. CNC machined from aircraft 6061-T6 billet aluminum. This pulley adds two grooves to the outside of the pulley. Perfect for supercharging applications. Larger diameter pulley is designed to stop alternator failure under extreme RPM's in a racing application. Easy to install, beautifully designed, enhance the look of your engine. Will fit large and small case alternators.
* Will not fit Corvette, CTSV, or any of the clutch/decoupler pulley alternators
* Will not fit Powermaster alternators
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