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

CVR 360° Swivel Thermostat Housing - For Holden 308 - Clear

CVR 360° Swivel Thermostat Housing - For Holden 308 - Clear

$161.47

Proflow Thermostat, 170 Degree, Special Dedicated Ford Cleveland, High-Flow, Bypass Valve, Copper/Brass, Stainless Body, , Each

Proflow Thermostat, 170 Degree, Special Dedicated Ford Cleveland, High-Flow, Bypass Valve, Copper/Brass, Stainless Body, , Each

$49.09

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

$27.72

Proform , Chrome O-Ring Style Water Neck, Straight-Up Type

Proform , Chrome O-Ring Style Water Neck, Straight-Up Type

$32.18