Engines, Bare Blocks - 9.800 in. Deck Height (in.) - 4.600 in. Cylinder Bore Diameter - Free Shipping on Orders Over $109 at Summit Racing

Dart Big M Sportsman Big Block Chevy Cast Iron Bare Blocks 31223644

Engine, Bare Block, Big M Sportsman, Stock/OEM, 4.60 in. Bore, Cast Iron, 4-Bolt Main, 2-Piece Rear Main Seal, Chevy, Big Block, Each

Part Number: DRT-31223644

Not Yet Reviewed

Estimated Ship Date: Monday 4/28/2025

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Estimated Ship Date: Monday 4/28/2025

Bare Blocks, Dart Big M Series, Cast Iron, 9.800 in. Deck Height, 4.600 in. Bore, 4-Bolt Main, 2-Piece Rear Main Seal, Big Block, Chevy, Each

Part Number: DRT-31213645

Not Yet Reviewed

Estimated Ship Date: May 22, 2025 if ordered today

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Estimated Ship Date: May 22, 2025 if ordered today

Engine Block, Aluminum, 4-Bolt Mains, 4.600 in. Diameter Bore, 2-Piece Rear Main Seal, Chevy, Big Block, Each

Part Number: DRT-31264644

Not Yet Reviewed

Estimated Ship Date: Jul 21, 2025 if ordered today

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Estimated Ship Date: Jul 21, 2025 if ordered today

Engine Block, Race Series, Aluminum, 4-Bolt Mains, 9.80 Deck, 4.500 in. Dia., Bore, 2-Piece Seal, Chevy, Each

Part Number: DRT-31264645

Not Yet Reviewed

Estimated Ship Date: Jun 11, 2025 if ordered today

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Estimated Ship Date: Jun 11, 2025 if ordered today