Ford Performance M6010A460XBB: M-6010-A460XBB Cast Iron Siamese Big Bore 460 Block [4.490 in. Bore]
Big Block
460 Siamese Big Bore Engine Block Rough Bored to 4.490 in. Max Bore 4.625 in. Siamese Cylinders 10.322 in. Deck Height 3 in. Main Journal Diameter 4-Bolt Mains Nodular Iron Main Caps Weight: 275 lbs. High-Strength