Edelbrock Engine Oil Additive 1084; 1 Quart Zinc Additive

Edelbrock's High Performance Zinc Additive is designed for hot rods, sports cars, muscle cars and exotics. This special formula of zinc, phosphorous and moly is the ideal chemistry to add wear protection to any motor oil. Because it won't rub, scrape or wear off, it is perfect for cold starts and infrequently driven vehicles. Also extends engine life and increases mileage and horsepower. Treats up to six quarts/liters of conventional oil.