LOW PROFILE THERMOST HOUSING COMPLETE ASSEMBLY USED ON CHEVROLET SMALL BLOCK ENGINES INCLUDES THERMOSTAT (531065, 531066, 985009 & 531058) USE 551004 GASKET THERMOSTAT HOUSING TO INTAKE
CHEVROLET SMALL BLOCK CAT MANIFOLD PORT SIDE use with 556202SPEC manifold gasket and 765006 elbow gasket 735020 V-band clamp 605004 straight and 605085 elbow fittings.