1937-1972 Crank Pulley Sleeve Chevrolet And GMC Pickup Truck

This metal sleeve slides over the front end of the original crank shaft. Eliminates unwanted worn groove on crank shaft surface created by timing cover seal over many years use. This stops many oil leaks. NOTE: pulley must be removed to install. Lock tight/ bond gel is needed to secure sleeve to crank shaft. 1937-1972 Chevrolet 6 cylinder and V-8 plus 1939-1959 GMC 6 cylinder.Sold each.Made in USA. Does NOT come with Lock Tight/bond gel.