EMPI now has available Steel Billet pulleys. Featuring approximately 3 1/2 lbs. in a stock size form. This pulley can reduce crankshaft vibration, thus resulting in much longer engine case and bearing life. Fully balanced and feature a silver zinc finish with durable bright white timing marks and numbers on a black background. Uses the P/N: 9117 Bolt and Washer (Sold Separately).