LS billet aluminum 6 rib power steering pulley for 1987-2013 Vortec Truck Type 1 pump. CNC machined from aircraft 6061-T6 billet aluminum. This pulley has 6 grooves like the factory pulley. Perfect for supercharging or heavy-duty applications. Easy to install, beautifully designed, and enhance the look of your engine.

* Will not fit Trail Blazer