SB/BB Chevy - Straight Up

Cooling system components from Billet Specialties feature high quality precision machining, industry leading mirror finish polish and stainless fasteners. Each of our engine components are engineered to do more than look good ... they perform!

Billet Specialties thermostat housings are precision machined from 6061-T6 billet aluminum and polished to a mirror finish. Fits small and big block Chevrolet® engines.
Product Features
- Dual Buna N® O-rings for a positive seal eliminating the need for a gasket or sealant
- Stainless steel mounting hardware included