CSR Performance Billet Aluminum 360 Swivel Thermostat Housing - Clear (Silver) Anodized - Chevy Big, SB - 1-1/2" Hose Connection H777C05 Larger D-holes are designed to

Larger D-holes are designed to facilitate handling and lower pit stop times

15 in Head

7'' of usable stroke

1986-1986 Pontiac Bonneville

Cometic gaskets are the industry standard for championship-winning teams across multiple disciplines of both professional and amateur motorsports

CSR Performance Billet Aluminum 360 Swivel Thermostat Housing - Clear (Silver) Anodized - Chevy Big, SB - 1-1/2" Hose Connection H777C05 Larger D-holes are designed toCSR Swivel Thermostat Housings are CNC machined of 6061 T6 Billet Aluminum. Available in multiple choices of hose connections and will swivel a full 360 for easy connection in any position. The flange is sealed at the manifold with an O ring, eliminating the gasket. Stainless steel bolts included. CSR Performance Products have been manufacturing high quality, American made high performance products since 1989. The product line consists of water pumps,