Use these Moroso water outlet restrictor kit to control the flow of coolant leaving the engine, which lets you control the amount of heat absorbed by the coolant.
- Restricting coolant flow leaving the engine lets you control the amount of heat absorbed by the coolant
- Red, gold and blue anodized aluminum restrictor plates are mounted under the water outlet on the intake manifold
- 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.
Water Outlet Restrictor Kit fits GM V8, GM V6, Ford 260-302, 351W