Billet Thermostat Housing Black SB/BB Chevy Straight Up. The housings are precision machined from 6061-T6 billet aluminum and polished to a mirror finish. Fits small and big block Chevrolet engines. Features Dual Buna N O-rings for a positive seal eliminating the need for a gasket or sealant and Stainless steel mounting hardware included.
This part fits most Chevy Cars and Trucks.; exceptions may apply. Please read the complete description to see if this part fits your specific vehicle and application.