Zinc ZDDP Oil Additive 2 oz. Pack of 5 for Engine Protection
$50.87
Zinc (ZDDP) is heated; it creates an anti-wear layer on cams, lifters, and cranks. Adding ZINC during every oil change is mandatory for all vehicles with a flat tappet cam and engine break-in. REV-X Zinc ZDDP Oil Additive - 2 fl.