CSR Thermostat Housing, 1.5" Hose Connection (GM LS1)

Chevrolet 350 LS1 Thermostat Housing 1-1/2” Hose Connection
Machined from 6061-T6 Billet aluminum and uses O-ring seals eliminating the need for gaskets or messy silicone.
For 54mm Early Model Chevrolet Thermostat.

Approximately 2 1/4” from the bottom to the highest point (top of the hose connection)

*Stainless steel bolts are included.