One big Brodix 500 something cu incher, based on a 440
Mopar experts - Soledad Performance, 7636 Lemon Ave, a block North of Broadway in Lemon Grove
619-697-1136 ... http://www.soledadperformance.com/ a specialty shop building and restoring Plymouth and Dodge cars from 1962 to 1973. They also source parts for people trying to keep their MOPARS alive, and offer finished cars as well as rollers.