March Performance Serpentine 6-Rib Crankshaft Pulley - 7 in Diameter - Short Water Pump - Big Block Chevy COMMANDER-STX-M1-HK GM X-Body 1968-76

GM X-Body 1968-76

High compression race engines require "indexing" of spark plugs to prevent contact between piston dome and the ground wire of the spark plugs

Warning light built in

1999-2007 Ford F-250 Super Duty

083" thick

March Performance Serpentine 6-Rib Crankshaft Pulley - 7 in Diameter - Short Water Pump - Big Block Chevy COMMANDER-STX-M1-HK GM X-Body 1968-76Product Description: Crankshaft Pulley Serpentine 6 Rib 7 in Diameter Hardware Included Aluminum Clear Powder Coat Short Water Pump Big 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