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 Thermostat Housing, Thermostat Housing - For Holden LS - Black

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

$197.00

CVR Thermostat Housing - For Chevrolet For Holden LS - 90 Swivel - 1-1/2' Hose - Black

CVR Thermostat Housing - For Chevrolet For Holden LS - 90 Swivel - 1-1/2' Hose - Black

$181.23

Proform , Ford Engine Water Neck Chrome O-Ring Style, Installs in place of OEM parts

Proform , Ford Engine Water Neck Chrome O-Ring Style, Installs in place of OEM parts

$33.00