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 Water Neck O-Ring, Rubber, Water Outlet, fits Billet Water neck TH802, TH810, TH811

Proflow Water Neck O-Ring, Rubber, Water Outlet, fits Billet Water neck TH802, TH810, TH811

$12.06

CVR Thermostat Housing, Thermostat Housing - For Holden LS - Clear

CVR Thermostat Housing, Thermostat Housing - For Holden LS - Clear

$197.00

Mr. Gasket Thermostat, 160 Degree, High-Flow, Copper/Brass, Each

Mr. Gasket Thermostat, 160 Degree, High-Flow, Copper/Brass, Each

$35.78

CVR Water Neck, Swivel, Billet Aluminium, Blue Anodized, O-ring, 90 degree, for 1.5 in. Hose, For Ford, Small Block

CVR Water Neck, Swivel, Billet Aluminium, Blue Anodized, O-ring, 90 degree, for 1.5 in. Hose, For Ford, Small Block

$181.23