Notes: For use with LS2 Style water pumps / thermostats. Common on BluePrint "Billet Wing" CVF style front accessory drives. Designed for use with thermostats with OD of 2.25 including gasket, and overall height of 2.45
Will NOT fit LS3 Style water pumps / thermostats that take a 2.36 OD thermostat, with overall height of 2.7.