COMP CAMS BREAK IN LUBE ADDITIVE.

COMP Cams Engine Break-In Oil Additive has been proven to deliver long-term benefits with new or rebuilt engines through continued usage. Simply pour in a bottle for the initial break-in, run the engine for approximately 1,000 miles, drain the system thoroughly, and then refill with clean oil and another bottle of COMP Cams Engine Break-In Oil Additive at each oil change.