Mezier Mechanical Water Pump, GM LSx, High Flow, Standard Rotation, 400 Series

This mechanical water pump for GM LSx engines boasts higher flow with a 4 inch impeller. It is for standard rotation, serpentine style applications.

The 400 Series belt driven pumps are show quality outside and race bred inside. These pumps are all billet construction and are designed with top end performance and longevity in mind. Top end figures match the best racing pumps on the market and off idle flow is 5 to 7 GPM higher than any competitor. It has already proven to be a great success in many forms of racing including off and on-road endurance.