Complete fresh build, 272 IN. 4.00 bore, 3,625 stroke, 4.1 production 25506484 block, 9.0 compression coated race tech forged pistons, coated bearings, Champion heads, ported intake, T/A valve covers, 210 roller cam, manton push rods, accufab 72 mm T/body , upper manifold & fuel regulator, 80 #...