Break-In Motor Oil Additive, 16 oz by Red Line®. Racing oils provide more wear protection than motor oils for passenger vehicles, however, these products contain fewer detergents and are not suitable for street use
Provides conventional motor oils with antiwear additives like zinc and phosphorus (ZDDP) necessary to protect against camshaft and valvetrain damage on break-inAllow pistons rings to seat properly with less-slick oil, while antiwear additives protect other engines components to avoid excessive wear