Chevrolet Big Block V8 (BBC 396-502)

Parts for the Chevrolet big block V8: 396, 402, 427, 454 and 502. Chrome and polished thermostat housings and water necks in 30, 45 and 90 degree outlets, housing and thermostat kits, HEI distributors and valve cover hardware. Many parts here are listed for both small and big block Chevrolet, and early (1955-1965) and late (1966-1975) housings differ, so check your outlet angle and engine year before ordering.