UNIVERSAL - 1 QUART BOTTLE Max-Gear� is recommended for use in truck and automotive front or rear differentials, manual transmissions and lower gear units of marine engines that specify use of an API GL-5 or GL-4 fluid. Max-Gear� is an ultra-tough,...

UNIVERSAL - 4 OZ. BOTTLE  The REV-X REV0401 High Performance Oil Additive provides additional protection, efficiency, and increased performance to make your truck run better than it did when it was new. Never before has the proper oil additive...

Reduce friction and wear in your engine with XDP's X-Factor High Performance Oil Additive XD275, the best thing to happen to oil since the filter! X-Factor is a 100% synthetic friction reducer that is engineered to decrease engine wear, reduce noise and...

XDP knows diesel and has wanted to offer a fuel additive for some time. Finally, after a lengthy R&D process, we are proud to present our specially formulated concentrate for the best year round use in your diesel truck. Running XDP Diesel Power...

After the overwhelming success and positive feedback of our XDP Diesel Power Plus year round formula fuel additive we began work on a winter blend. The result of our hard work and testing is XDP Polar-D. This powerful fuel treatment increases overall...