Stant 27138 Thermostat Gasket 1955-1957 &gt; Pontiac &gt; All Models &gt; L8 4.3L 4343cc &gt; Pathfinder 1957-1958 &gt; Pontiac &gt; All Models &gt; L8 4.6L 4638cc &gt; Pathfinder 1958-1958 &gt; Chevrolet &gt; All Models &gt; L6 3.8L 3852cc &gt; Yeoman 1958-1958 &gt; Chevrolet &gt; All Models &gt; L8 4.6L 4638cc &gt; Yeoman ** NOTE: PRODUCT IMAGE MAY NOT BE VEHICLE SPECIFIC