Torco Zep Zinc Enhanced Engine Protector - 12 oz. Bottle SPBS2 Bolt Pattern: Perimeter

Bolt Pattern: Perimeter

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Torco Zep Zinc Enhanced Engine Protector - 12 oz. Bottle SPBS2 Bolt Pattern: PerimeterModern motor oils meeting API SL and specifically category SM do not contain enough zinc additive to assure proper anti wear protection of high performance engines. The addition of ZEP to any modern motor oil will put back the proper amount of Zinc Dialkyl Dithiophosphate (ZDDP) purposely taken out to be catalytic converter friendly. ZEP coats all engine parts and won't rub, scrape or scrub off so that it protects engines that are occasionally used