GM LS1 - LS3 Thermostatic Control Crossover Cooling System for Non-Circulating Pump Applications
AT last a cooling system solution for adapting the popular GM LS engine into any Jet Boat or application with an external water pump source.
This system allows removal of the Automotive engine mounted water circulation pump and provides both water inlet/outlet and temperature control through the integrated thermostat assembly. Clean, simple, and reliable the perfect solution for retrofitting the LS modern engine into a jet boat or any boat not utilizing the OEM circulating pump.
WARNING**** will not work with Variable Valve Timing covers.