Do you know if it is the raised cam block? Not being that familiar with the Megs block, if it is raised cam version, is lifter bank angle changed, and are they 55mm cam bearings? I may have a Bullet Roller that cam out of my 588 for you. I’ll dig out cam card. Jim

64 Dodge Coronet 440. In progress
1998. Dodge Avenger. 8.35@165. 4400 DA
250” Neil and Parks Slip Joint. 7.36@183.
4600 DA
242" Mullis Dragster. 6.90@ 200mph