Engine Blocks & Parts

Main Caps, Billet Steel, 4-Bolt Conversion or Replacement, Straight, 326-400 cid, V8, Dowel Pinned, Drill Guide, Small Journal, Pontiac, Set of 3

Part Number: PQX-1738901

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Estimated Ship Date: May 19, 2026 if ordered today

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Main Caps, Billet Steel, 4-Bolt Conversion or Replacement, Straight, 421-455 cid, V8, Dowel Pinned, Drill Guide, Large Journal, Pontiac, Set of 3

Part Number: PQX-1745501

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Estimated Ship Date: May 15, 2026 if ordered today

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BTR 4 TO 6 BOLT CONVERSION FOR DART BLOCKS

Part Number: BTC-BTR426D

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Estimated Ship Date: Apr 2, 2026 if ordered today

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Sleeve Assembly Ring Set - Int.Trac.152 cid(2.5L) 4 cyl 3.375 in./85.7mm Overbore Conversion

Part Number: MAH-S41038

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Estimated Ship Date: Apr 1, 2026 if ordered today

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Sleeve Assembly Ring Set - Buda Overbore Conversion 153 cid (2.5L) 4 cyl 3.438in./87.33mm Engine. Case

Part Number: MAH-S41010

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Estimated Ship Date: Apr 20, 2026 if ordered today

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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 ( 3 )

Estimated Ship Date: Jul 14, 2026 if ordered today

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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: Today

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Engine Block, Bare, Cast Iron, 4-Bolt Mains, 4.494 in. Diameter Bore, 2-Piece Rear Main Seal, 10.200 in. Tall Deck, Chevy, Big Block, Each

Part Number: NAL-19212194

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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