$25 Off $250 / $50 Off $500, on Summit Racing Brand Products - Use Promo Code: BUILDIT

$25 Off $250 / $50 Off $500, on Summit Racing Brand Products - Use Promo Code: BUILDIT

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Engine Blocks & Accessories

Individual Parts

Results 176 - 193 of 193

Engine Block, Aluminum, 4-Bolt Mains, 4.500 in. Diameter Bore, 2-Piece Rear Main Seal, Chevy, Big Block, Each

Part Number: BRO-8B5000

Not Yet Reviewed

Estimated Ship Date: Nov 12, 2025 if ordered today

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Estimated Ship Date: Nov 12, 2025 if ordered today

Engine Block, Aluminum, 4-Bolt Mains, 4.500 in. Diameter Bore, 2-Piece Rear Main Seal, Chevy, Big Block, Each

Part Number: BRO-8B5025

Not Yet Reviewed

Estimated Ship Date: Nov 12, 2025 if ordered today

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Estimated Ship Date: Nov 12, 2025 if ordered today

BARE BLOCK

Part Number: BRO-8D2000C

Not Yet Reviewed

Estimated Ship Date: Nov 12, 2025 if ordered today

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Estimated Ship Date: Nov 12, 2025 if ordered today

ALUM BLOCK

Part Number: BRO-8502001

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Estimated Ship Date: Nov 12, 2025 if ordered today

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Estimated Ship Date: Nov 12, 2025 if ordered today

Engine Block, Aluminum, 4-Bolt Mains, 4.125 in. Diameter Bore, 2-Piece Rear Main Seal, Chevy, Small Block, Each

Part Number: BRO-8B1000

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Estimated Ship Date: Nov 12, 2025 if ordered today

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Estimated Ship Date: Nov 12, 2025 if ordered today

Engine Block, Aluminum, 4-Bolt Mains, 4.125 in. Diameter Bore, 2-Piece Rear Main Seal, Chevy, Small Block, Each

Part Number: BRO-8B1000A

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Nov 12, 2025 if ordered today

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Estimated Ship Date: Nov 12, 2025 if ordered today

ENGINE BLOCK

Part Number: BRO-8B1000B

Not Yet Reviewed

Estimated Ship Date: Nov 12, 2025 if ordered today

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Estimated Ship Date: Nov 12, 2025 if ordered today

Engine Block, Aluminum, 4-Bolt Mains, 4.125 in. Diameter Bore, 2-Piece Rear Main Seal, Chevy, Small Block, Each

Part Number: BRO-8B1000C

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Estimated Ship Date: Nov 12, 2025 if ordered today

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Estimated Ship Date: Nov 12, 2025 if ordered today

Engine Block, Aluminum, 4-Bolt Mains, 4.125 in. Diameter Bore, 2-Piece Rear Main Seal, Chevy, Small Block, Each

Part Number: BRO-8B1000E

Not Yet Reviewed

Estimated Ship Date: Nov 12, 2025 if ordered today

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Estimated Ship Date: Nov 12, 2025 if ordered today

350 MAIN BLOCK, 4.125 BORE

Part Number: BRO-8B1050

Not Yet Reviewed

Estimated Ship Date: Nov 12, 2025 if ordered today

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Estimated Ship Date: Nov 12, 2025 if ordered today

Engine Block, Aluminum, 4-Bolt Mains, 4.125 in. Diameter Bore, 2-Piece Rear Main Seal, Chevy, Small Block, Each

Part Number: BRO-8B1050A

Not Yet Reviewed

Estimated Ship Date: Nov 12, 2025 if ordered today

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Estimated Ship Date: Nov 12, 2025 if ordered today

Engine Block, Aluminum, 4-Bolt Mains, 4.000 in. Diameter Bore, 2-Piece Rear Main Seal, Chevy, Small Block, Each

Part Number: BRO-8B1150-A

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Nov 12, 2025 if ordered today

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Estimated Ship Date: Nov 12, 2025 if ordered today

Bare Block

Part Number: NAL-19417353

Not Yet Reviewed

Estimated Ship Date: Jan 21, 2026 if ordered today

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Estimated Ship Date: Jan 21, 2026 if ordered today

Engine Block, Cast Iron, Nodular Iron 4-Bolt Mains, 4.560 in. Bore, 1-Piece Seal, 10.200 in. Deck, Chevy, Big Block, Each

Part Number: NAL-19432546

Not Yet Reviewed

Estimated Ship Date: Jan 21, 2026 if ordered today

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Estimated Ship Date: Jan 21, 2026 if ordered today

BLOCK

Part Number: NAL-25534406

Not Yet Reviewed

Estimated Ship Date: Jan 21, 2026 if ordered today

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Estimated Ship Date: Jan 21, 2026 if ordered today

BLOCK, CYL (SHORT), 1992-1993

Part Number: MOP-05245048

Not Yet Reviewed

Estimated Ship Date: Oct 23, 2025 if ordered today

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Estimated Ship Date: Oct 23, 2025 if ordered today

Engine Block, Cast Iron, 4-Bolt Mains, 4.495 in. Bore, 9.500 in. Deck, 55mm Cam Bore, Billet Steel Main Cap, 2-Piece Rear Seal, Chevy, Big Block, Each

Part Number: WRL-095013-55

Not Yet Reviewed

Estimated Ship Date: Oct 27, 2025 if ordered today

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Estimated Ship Date: Oct 27, 2025 if ordered today

CYLINDER

Part Number: DCC-05004038AB

Not Yet Reviewed

Estimated Ship Date: Oct 29, 2025 if ordered today

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Estimated Ship Date: Oct 29, 2025 if ordered today

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