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 Aluminium Water Neck & Thermostat kit LS Chev For Holden 45 degree Swivel Chrome

Proflow Aluminium Water Neck & Thermostat kit LS Chev For Holden 45 degree Swivel Chrome

$72.98

Proform , Chrome O-Ring Style Water Neck, 45 Degree Type

Proform , Chrome O-Ring Style Water Neck, 45 Degree Type

$32.18

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

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

$161.47