March Performance 2 Groove / 6-Rib Crankshaft Pulley - Black - Small Block Chevy - Short Water Pump 1321H-1 UC Lite offers maximum thermal

UC Lite offers maximum thermal insulation in a lightweight padding (approx

For High Spring Springs

60 lb/in Spring Rate

7/16The COMP Cams philosophy has never changed: make the highest performing products possible and lead the industry in technological development

11500 lb Capacity

March Performance 2 Groove / 6-Rib Crankshaft Pulley - Black - Small Block Chevy - Short Water Pump 1321H-1 UC Lite offers maximum thermalProduct Description: Crankshaft Pulley 2 Groove 6 Rib 5. 5 in Diameter Aluminum Black Powder Coat Short Water Pump Small Block Chevy All March Performance pulleys and brackets are manufactured with a unique blend of durability, performance and STYLE!. With over 30 years of aircraft and automotive manufacturing experience you can be assured that our systems will fit perfectly and run true! Quality Materials All kits are machined from 6061 T6 aircraft