Engines, Bare Blocks

Engine Block, Cast Iron, 4-Bolt Mains, 4 in. Diameter Bore, 2-Piece Rear Main Seal, Chevy, Small Block, Each

Part Number: DRT-31161111

4.86 out of 5 stars ( 7 )

Estimated Ship Date: Today

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Engine Block SBC, 2PC, SIAM, 9.025 x 4.125, 350MAIN, CAST MC

Part Number: MLL-BPP12110343

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Engine Block SBC, 2PC, SIAM, 9.025 x 4.000, 350MAIN, CAST MC

Part Number: MLL-BPP12110344

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Estimated Ship Date: Today

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Engine Block SBC, 2PC, SIAM, 9.025 x 4.125, 350MAIN, BILLET MC, SC

Part Number: MLL-BPP12110346

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Estimated Ship Date: Dec 17, 2026 if ordered today

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Engine Block SBC, 2PC, SIAM, 9.025 x 4.000, 350MAIN, BILLET MC

Part Number: MLL-BPP12110347

Not Yet Reviewed

Estimated Ship Date: Dec 17, 2026 if ordered today

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