This is the results of a friend's new big block Mopar engine.

New BMP aluminum block, new Indy heads 2023
540 CID, 4.500” x 4.250”
Aluminum rods
Indy 440-1 CNC 345 heads (Some work done after receiving from Indy, i.e. not Out-Of-The-Box)
Indy 4500 intake
1050 Dominator Carb
285/292 at 0.050", 108 LSA Comp roller cam (318/330 at 0.020")
Lift 0.753”/0.753” at 1.6, cam card 0.706”/0.706” at 1.5 rocker ratio

745 ft-lb at 5600 rpm
919 hp at 6900 rpm