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.

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Proflow Thermostat, For Holden Commodore LS2/LS3, 160F Degree, High-Flow Stainless Steel, Bypass Valve, 56mm Dia, Each

Proflow Thermostat, For Holden Commodore LS2/LS3, 160F Degree, High-Flow Stainless Steel, Bypass Valve, 56mm Dia, Each

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