Chevrolet Performance LSX Cast Iron Block - 4.185 Bore Finished GMP19417353

Engine - LSX - Bare Block - 4.185 in Bore - 9.240 Deck - Standard Main - 6-Bolt Main - 1-Piece Seal - 6-Bolt Head - Iron - Orange - GM LS-Series - Each Brand-CHEVROLET PERFORMANCE MPN 19417353 . **NOTE: Truck Freight YES