If you are pulling your intake manifold you will need to replace your intake manifold gaskets. These gaskets are FEL-PRO considered to be the best on the market. Photo does not represent the correct gasket for this application. Check your application prior to ordering. Fits 1965-1971, 389,400,421,428,455 cu.in. Also check out the 1965-1971 High Performance Gaskets on this page.