Manufacturer's Part Number:
Summit Racing Part Number:
Water Outlet Restrictor Material:
Sold as a set of 3.
Set includes one 5/8 in., one 3/4 in., and one 1 in. restrictor plate.
Choose In-store pick-up (OH, GA, NV) on our web site.
Restricting the amount of coolant flow leaving the engine lets you control the amount of heat absorbed by the coolant. These Milodon water outlet restrictor kits include three plates with 5/8 in., 3/4 in., and 1 in. I.D. holes. They are mounted under the water outlet on the intake manifold.