Proflow's RB billet aluminium thermostat housing is designed to to suit Nissan RB20, RB25 and RB30 engines, replacing the factory thermostat housing completely. It also features a -16AN ORB thread so you can run custom braided hose. Supplied with replacement gaskets and bolts.

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Proflow Fitting Hose End 60 Degree Full Flow -08AN, Blue/Red

Proflow Fitting Hose End 60 Degree Full Flow -08AN, Blue/Red

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