Two threaded adaptors to suit our Electric Water Pump Adaptors for rotary engines, with a Schrader valve & pressure gauge for the purpose of pressure testing the cooling system of a Mazda 12A / 13B / 20B rotary engine.

The ports in the centre of the adaptors are 1/8" NPT

We have the option of 15PSI or 60PSI gauges and ahigh quality USA made Schrader valve is included with all the two adaptors.