615 C.I. Big Block Chevy, Merlin 10.2" tall deck cast iron block. 18 degree " The Big Duke" cylinder heads with 1.7" 1.7" bushed shaft mounted T&D rocker arms. Custom ground Comp Cams solid roller camshaft, bushed solid roller Isky lifters. 4 3/8" stroke Manley crankshaft, Crower billet rods. Racetec custom pistons. Dart intake manifold with a custom built CSU billet body Dominator carburetor. Engine dyno'd and tuned on 91 octane pump gas. 850 HP @ 6100 RPM & 826 FT LBS of TRQ @ 5000 RPM