FlowKooler

The late model AMC 258 switched to a serpentine belt drive system that requires a counter-clockwise rotating water pump — and that's exactly what this FlowKooler is built for. It doubles...

If your 258-powered FSJ is running hot at idle or low speed, the factory water pump is likely part of the problem. The FlowKooler high flow water pump doubles coolant flow at low rpm and idle —...

This High-Flow Robertshaw-style thermostat is designed to work in conjunction with high-flow cooling systems, making it an excellent match for Full Size Jeeps—especially those running upgraded...

This High-Flow Robertshaw-style thermostat is designed to work in conjunction with high-flow cooling systems, making it an excellent match for Full Size Jeeps—especially those running upgraded...

This High-Flow Water Pump is built for 1967–1972 Full Size Jeep Wagoneer and J-Series Trucks equipped with the Buick 350 “Dauntless” V8. It’s designed to improve cooling...

If your Full Size Jeep runs warm at idle or your heater underperforms in traffic, this FlowKooler pump fixes the low-RPM flow bottleneck. An 8-blade, CNC-machined impeller reduces plate-to-impeller...

Introducing the redesigned FlowKooler Water Pump, featuring state-of-the-art CNC machined billet impeller blades that now boast 16 blades—double the amount of most standard water pumps. This...