1969 Corvette 427ci 435 hp 3919840 matching heads L71

1 matching pair of bare 3919840 square port cylinder heads, which were used on 1967, 1968, and 1969 corvettes with the 427 / 435hp engine option. These heads were also used on 1968 and 1969 Chevelles, Camaros, and Chevy II, with the 396 or 427 engine. Both of these heads have the identical casting number of 3919840 and casting dates of F 13 8, and F 17 8, which is June the 13th and June the 17th of 1968, which would be date-wise correct on a late 68 or early 69 vehicle. There have been no alterations, modifications, or machine work done to the ports. What you are bidding on is shown exactly in the adjoining pictures, please expect no more or no less.