



GM Performance Engine Block – BBC Gen VI
GM Performance Engine Block – BBC Gen VI from GM Performance, part number 19170540. See the full description below for specifications and fitment details.
See all engine blocks. Ships for a flat $75 to any US state (shipping policy). Read our 2-bolt vs 4-bolt main guide.
Engine – Mark IV / Gen VI – Bare Block – 4.500 in Bore – 9.800 Deck – 4-bolt Mains – 1-Piece Seal – Iron – Big Block Chevy – Sold as Each – Part Number: 19170540









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