Moroso 63440 - Moroso Water Outlet Restrictor Kit

The Moroso water outlet restrictor kit allows you to control the coolant flow leaving the engine. This lets you control the amount of heat that is absorbed by the coolant. The kit consists of three plates with 5/8'', 3/4'', and 1'' holes for optimum flow. All have a 2-1/8'' outside diameter and come in red, blue, and gold anodizedaluminum.