Edelbrock part 7325 head gasket is intended for big block Chrysler engines. This gasket comes as a set and is for 1959 - 1978 engine sizes 361 - 383 - 400 - 413 - 426 (except Hemi), and 440 engines only. This has a 4.450 bore size, .038 compressed thickness and 9.69 cc volume.