Torco Zep Zinc Enhanced Engine Protector - 12 oz. Bottle (Case of 12) CS-5P-12 O2 Sensor Bung

O2 Sensor Bung

1/4-28 in Female Thread

Moroso has 50 plus years of experience from supplying spark plug wires to the top teams of NASCAR

A1000-Series (Pump Sleeve Includes Mounting Provisions)

Pre-Runner

Torco Zep Zinc Enhanced Engine Protector - 12 oz. Bottle (Case of 12) CS-5P-12 O2 Sensor BungModern 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