We will be stocking the 71degC thermostats in 2 weeks. As per the first post, Evolution R has joined with a few Cusco dealers in Japan and has begun producing Silicon Radiator hoses, thermostats and radiators.

We will be branding them as INGMAX Japan Produce. We will be distributing these worldwide from Japan, America, Singapore and Australia.

Why 71dec C thermostat?
The temperature that brings out the optimum performance from EJ20 turbo is 70C-80C. The stock thermostat opens at 76-80degC and the water only circulates after it has become too hot, so it increases above 80c during hard driving, causing substantial loss of power.

Below is a pic of the 71deg C thermostat for all Subaru EJ engines. RRP $65 P.WRX $45