Description
THIS SPOOL ELIMINATES THE THERMOSTAT IN LS ENGINES, GIVING YOU FULL FLOW TO THE RADIATOR THE MOMENT THE ENGINE IS FIRED. THIS ENSURES ADEQUATE COOLING WHILE RACING.
- FITS LS3 WATER PUMPS 2009-2015
- INCLUDES NEW OEM GM GASKET
- FOR OFFROAD USE ONLY
- THE 4 HOLES IN THE SPOOL EQUAL THE SAME AMOUNT OF AREA AS THE COOLANT HOUSING INLET TO ENSURE THERE IS NO LOSS IN COOLANT FLOW OR PRESSURE.