Billet T6061 aluminum thermostat housing fits all LT1, LT4, LT5, L83, and L86 water pumps.
Designed to use factory type thermostats - Thermostat is NOT included but we do offer them in 180 or 160 degree variations HERE
Kit includes billet housing, OEM O-ring gasket, and (3) ARP stainless bolts.
*Not for use with OEM application as the extra port is not machined into this housing.
**Designed & manufactured in the USA by Rad Rides.