Chev/Holden LS1 V8 Performance Fluid Dampened Crank Pulley Kit March Performance Products MPP4505
Product Information
March Performance Chevy LS1 SFI fluid-dampened pulleys will not cause spark sensors to retard timing with a resultant loss in power. These pulleys are dyno-tested at a 12 HP gain and are SFI-approved. They are precision CNC-machined from high-carbon billet steel, coated with iron phosphate, and then covered with a high-gloss, black polyester powdercoating for maximum rust prevention
