I know a guy who has the heads and the only two Aluminum R4 blocks ever made by Mopar! That fool put a turbo on his billet headed P5. Crazy!

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Last edited by W8n2DustU; 02/27/15 11:45 AM.
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!