Water Outlet Restrictors AF49-1055 Product:Suitable For GM Holden, Chevrolet & Ford Universal Billet Brake Booster Valve

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Water Outlet Restrictors AF49-1055 Product:Suitable For GM Holden, Chevrolet & Ford Universal Billet Brake Booster ValveWater Outlet RestrictorsSuitable For GM Holden, Chevrolet & Ford AF49 1055 49 1055 Restricting coolant flow leaving the engine lets you control the amount of heat absorbed by the coolant. Red, gold and blue anodised aluminium restrictor plates are mounted under the water outlet on the intake manifold. This kit consists of three restrictor plates with 5 8", 3 4" and 1" I. D. holes for optimum coolant flow, 2 1 8" O. D.