Dart BBC Big M Iron Block - 9.800/4.600 DRT31213644

Engine - Big M - Bare Block - 4.600 in Bore - 9.800 Deck - 4-Bolt Main - 2-Piece Seal - Iron - Big Block Chevy - Each Brand-DART MPN 31213644 . **NOTE: Billet main caps. Truck Freight YES