I have a 54mm Bullet 4/7 swap cam that was in my 588, if your willing to switch bearings. are your running Babbit, or roller?
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