Product Description Specifications Engine Block; 460 Siamese Bore; 10.322 in. Deck Height; 3 in. Main Journal Diameter; 4.360-4.6 in Bore Range; Nodular Iron Main Caps; CARB: This product is not CARB Legal and not for sale in California Category: Engine Components>Engines Core: N LTL: Y MPN: M-6010-A460X Proposition 65: Y Special Order: Y