Hawks Motorsports CBW-150B Features:

Factory OEM alternators are only designed to spin up to 18K RPM so if you have a high revving LS engine and you are replacing alternators every other pass, chances are you need a larger alternator pulley. (SEE ATTACHED CHART) Manufactured right here in the USA this 6061 billet aluminum 3.5" overdrive alternator pulley was made to replace the GM steel pulley. 3.5 inch outside diameter, 0.670" bore diameter and 6-groove serpentine design, fits all 1998-2002 F-Body / 2004-2006 GTO / 1999-2013 Truck & SUV V8 models (small case and large case alternators). Product comes as shown in pictures. Product is CNC Machined Billet Aluminum and anodized black. Fitment Note: Will not fit Corvette / CTS-V or ANY of the clutch/decoupler pulley alternators* All Hawks Motorsports Billet Parts are made right here in the USA! We design our Billet parts as upgraded pieces for the factory part they are replacing. We use our experience & expertise from 25+ years of business to test the durability and quality of every product we produce to ensure Hawks products will last for years to come!Don't fall for imitation parts, demand the best for your ride!