153 block, BMS 3.625 crank, Carrilo 6.5 rods, Weisco custom pistons, Hell fire rings, 4.030 bore size.New Champion intake, spacer, rails. Solid DLS cam, Crower lifters. Crank is standard mains, .010 on the rods. One skirt in the block is broke off, does not come into piston travel. Have a sonic...