New AMSOIL SAE 30 Break-In Oil allows quick and efficient piston ring seating and protection for new and rebuilt engines. Cam lobes, lifters and rockers are protected by anti-wear additives during the critical break-in period when wear rates are the highest.
Formulated with no friction modifiers
Allows the formation of a dynamic seal that increases horsepower, compression and torque
Contains high levels of zinc and phosphorus additives designed to provide the anti-wear protection