Engines, Bare Blocks - Chevy 454 Main Journal Type - Standard deck Engine Block Deck Height

Summit Racing™ SPC Engine Blocks SUM-150212

Engine Block, Summit, Big Block Chevrolet, Bare, Cast Iron, 4-bolt Main Bolt Style,10.200 in.Tall Deck, 4.500 in. Bore, Each

Part Number: SUM-150212

Not Yet Reviewed

Estimated Ship Date: Monday 10/19/2026 if shipped by air

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Estimated Ship Date: Monday 10/19/2026 if shipped by air

Engine Block, Cast Iron, 4-Bolt Mains, 4.250 in. Diameter Bore, 1-Piece Rear Main Seal, Chevy, Big Block, Each

Part Number: NAL-19170538

4.89 out of 5 stars ( 9 )

Estimated Ship Date: Monday 10/19/2026 if shipped by air

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Estimated Ship Date: Monday 10/19/2026 if shipped by air

Engine Block, Cast Iron, 4-Bolt Mains, 4.494 in. Diameter Bore, 1-Piece Rear Main Seal, Chevy, Big Block, Each

Part Number: NAL-19212192

4.5 out of 5 stars ( 2 )

Estimated Ship Date: Monday 10/19/2026 if shipped by air

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Estimated Ship Date: Monday 10/19/2026 if shipped by air

Engine Block, Bowtie, Cast Iron, 4.494 in. Bore, 9.800 in. Deck, Chevy, Big Block Gen V, Each

Part Number: NAL-19212191

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Feb 11, 2027 if ordered today

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Estimated Ship Date: Feb 11, 2027 if ordered today

Need It Sooner? We recommend these similar substitute parts:

4.75 out of 5 stars ( 9 )

Estimated Ship Date: Monday 10/19/2026

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Engine Block, Cast Iron, 4-Bolt Mains, 4.240 in. Diameter Bore, 2-Piece Rear Seal, Chevy, Big Block Mark IV

Part Number: NAL-19212196

Not Yet Reviewed

Estimated Ship Date: Monday 10/19/2026 if shipped by air

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Estimated Ship Date: Monday 10/19/2026 if shipped by air

Engine Block BBC, 2PC, SIAM, 9.800 x 4.600, BILLET MC

Part Number: MLL-BPP12110330

Not Yet Reviewed

Estimated Ship Date: Dec 14, 2026 if ordered today

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Estimated Ship Date: Dec 14, 2026 if ordered today