Proflow's RB billet aluminium thermostat housing is designed to to suit Nissan RB30 engines, replacing the top radiator hose outlet completely. It also features a -12AN ORB thread so you can run custom braided hose. Supplied with replacement gaskets and bolts.

More From This Category

Proflow Thermostat, 170 Degree, High-Flow, Bypass Valve, Copper/Brass, Stainless Body, Chev, For Holden Commodore, For Ford Each

Proflow Thermostat, 170 Degree, High-Flow, Bypass Valve, Copper/Brass, Stainless Body, Chev, For Holden Commodore, For Ford Each

$26.65

View
Proflow Thermostat, 195 Degree, High-Flow, Bypass Valve, Copper/Brass, Stainless Body, Chev, For Holden Commodore, For Ford Each

Proflow Thermostat, 195 Degree, High-Flow, Bypass Valve, Copper/Brass, Stainless Body, Chev, For Holden Commodore, For Ford Each

$26.65

View
Proflow Thermostat, 160 Degree, High-Flow, Bypass Valve, Copper/Brass, Stainless Body, Chev, For Holden Commodore, For Ford Each

Proflow Thermostat, 160 Degree, High-Flow, Bypass Valve, Copper/Brass, Stainless Body, Chev, For Holden Commodore, For Ford Each

$26.65

View