For use in motor oils lacking the zinc, phosphorous (ZZDP) and anti-wear additive packages necessary for protecting against excessive camshaft and valvetrain wear. This additive is designed to allow pistons rings to seat properly, while allowing other engines components to avoid excessive wear. Provides added protection during critical engine break-in process, Formulated with latest antiwear additives for extreme pressure protection.

RECOMMENDED USAGE: Add 1/2 bottle for oil capacities from 4 to 6 quarts (3.8 to 5.7 liters) and add one full bottle for capacities from 7-12 quarts (6.6 to 11.4 liters). Compatible with any petroleum, synthetic or blended motor oil and can be used for extended durations