Fresh build with gm steel crank 10/10, steel rods and .30 over forged pistons. Internally balanced. This is a 427 rotating assembly in a 454 block, high reving durable engine. 12:1compression. Will need race gas or e85.
Ported 049 heads with all new valve train. New Solid roller cam and lifters. Cam specs .663 lift 262* @ .050 duration 110 lobe separation. Complete from carb to pan.