Only two were ever made! They were Mopar performance prototypes. I have both of them now. Always need a spare. Similar to the A8 block. Different head stud pattern and has P5 lifter valley! LSM didosy of the work on it.

2010 Toxic Orange Challenger built by B and B Racecars! All aluminum R4/P5 engine, Proformance TH400 (3 speed) tranny, full Reid case, nodular 9" rearend, full Dragpak suspension, Protorque custom converter, BS3, PTE 85mm turbo, fire core wires, carbon doors, carbon front clip, and a whole lot more!