LS billet aluminum stock replacement 6 rib alternator pulley stock diameter for large and small case alternators. This replaces your dull, plain steel alternator pulley. CNC machined from aircraft 6061-T6 billet aluminum. Easy to install, beautifully designed, enhance the look of your engine. This pulley will fit 1998-02 Camaro, GTO, and 1999-2013 LS Truck alternators.

* Will not fit Corvette, CTSV, or any of the clutch/decoupler pulley alternators

* Will not fit Powermaster alternator

* Will not clear 2010-15 Camaro water pumps with drivers' side outlet.

WARNING: This product can expose you to chemicals including lead, which is known to the State of California to cause cancer, birth defects, or other reproductive harm. For more information go to www.p65warnings.ca.gov

ALUMINUM: Most of the aluminum alloys used today contain some level of lead, usually less than .1%. Lead is known to the state of California to cause cancer and reproductive harm. Most aluminum alloys are physiologically inert in their solid form, and the lead is contained within, however user-generated dust and/or fumes may pose a hazard if inhaled or ingested. Heating beyond a certain temperature may also provide avenues for exposure.

STEEL (steel bolts): Steel is an iron alloy with several metals including Nickel and Chromium. Both Nickel and Chromium are known to the State of California to cause cancer and reproductive harm, respectfully. This warning applies to stainless steels as well.