Engine Blocks & Accessories

Engine Block, Cast Iron , 4-Bolt Mains, 4.000 in. Bore, 1-Piece Rear Main Seal, Ford 302, Small Block, Each

Part Number: DRT-31374175

5.0 out of 5 stars ( 3 )

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Engine Block, Cast Iron , 4-Bolt Mains, 4.125 in. Bore, 1-Piece Rear Main Seal, Ford 351, Small Block, Each

Part Number: DRT-31375235

5.0 out of 5 stars ( 3 )

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Bare Block, Cast Iron, LS Mains, 4.125 in. Bore, 9.24 in. Deck Height, Each

Part Number: DRT-31867212

5.0 out of 5 stars ( 1 )

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Engine Block, Cast Iron , 4-Bolt Mains, 4.125 in. Bore, 1-Piece Rear Main Seal, Ford 302, Small Block, Each

Part Number: DRT-31374275

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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: Today

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Engines, Bare Block, Cast Iron, Merlin IV BBC, 9.800 in. Deck Height, 4.495 in. Bore, Splayed Billet Main Caps, Standard Cam and Lifter bores, Each

Part Number: WRL-095010

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Estimated Ship Date: Mar 23, 2026 if ordered today

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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

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Estimated Ship Date: Apr 3, 2026 if ordered today

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Engine Block, Cast Iron, Nodular Iron Splayed 4-Bolt Mains, 4.495 in. Bore, 2-Piece Seal, 10.200 in. Deck, Chevy, Big Block, Each

Part Number: WRL-091111

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Estimated Ship Date: Apr 21, 2026 if ordered today

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Engine Block, Cast Iron, 6-Bolt Mains, 3.630 in. Diameter Bore, 1-Piece Rear Main Seal, Ford, Coyote Modular, Each

Part Number: FMS-M-6010-M50X

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Estimated Ship Date: Apr 10, 2026 if ordered today

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Engine Block, Ford 351W Cast Iron , 4-Bolt Mains, 9.500 deck, 4.125 in. Bore, 1-Piece Rear Main Seal, Small Block, Each

Part Number: SUM-150205

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Estimated Ship Date: Today

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Engine Block, Cast Iron , 4-Bolt Mains, 4.000 in. Bore, 1-Piece Rear Main Seal, Ford 351, Small Block, Each

Part Number: DRT-31375135

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Estimated Ship Date: Apr 3, 2026 if ordered today

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Cylinder Block, 1.6L Formula Kent, 8.200 in. Deck, 3.186 in. Semi-Finished Bore, 0.565 in. Lifter Bore, Each

Part Number: FMS-M-6010-16K

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Estimated Ship Date: Apr 10, 2026 if ordered today

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Engine Block, Cast Iron, 4-Bolt Mains, 4.250 in. Bore, 1-Piece Rear Seal, VVT, Dodge, RAM, Hemi, Gen III, Each

Part Number: DRT-31622321

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Estimated Ship Date: Apr 20, 2026 if ordered today

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Engine Block, Cast Iron, 4-Bolt Mains, 3.927 in. Bore, 1-Piece Rear Seal, VVT, Dodge, RAM, Hemi, Gen III, Each

Part Number: DRT-31622211

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Estimated Ship Date: Apr 20, 2026 if ordered today

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Engine Block, Cast Iron, 4-Bolt Mains, 4.125 in. Bore, 1-Piece Rear Seal, VVT, Dodge, RAM, Hemi, Gen III, Each

Part Number: DRT-31622311

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Estimated Ship Date: Apr 20, 2026 if ordered today

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Engine Block, Cast Iron, 4-Bolt Mains, 4.090 in. Bore, 1-Piece Rear Seal, VVT, Dodge, RAM, Hemi, Gen III, Each

Part Number: DRT-31622221

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Estimated Ship Date: Apr 20, 2026 if ordered today

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Engine Block, Cast Iron, 4-Bolt Mains, 4.125 in. Bore, 1-Piece Rear Seal, Non-VVT, Dodge, RAM, Hemi, Gen III, Each

Part Number: DRT-31612311

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Estimated Ship Date: May 12, 2026 if ordered today

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Engine Block, Cast Iron, 4-Bolt Mains, 4.245 in. Diameter Bore, 2-Piece Rear Main Seal, Chevy, Big Block, Each

Part Number: WRL-095000

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Apr 22, 2026 if ordered today

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Engine Block, Cast Iron, 4-Bolt Mains, 4.115 in. Diameter Bore, 1-Piece Rear Main Seal, Ford, Small Block, Each

Part Number: WRL-087182

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Estimated Ship Date: Apr 21, 2026 if ordered today

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Engine Block, Cast Iron, 4-Bolt Mains, 3.990 in. Diameter Bore, 1-Piece Rear Main Seal, Ford, Small Block, Each

Part Number: WRL-087150

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Estimated Ship Date: Apr 22, 2026 if ordered today

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Engine Block, Cast Iron, 4-Bolt Mains, 4.000 in. Diameter Bore, 1-Piece Rear Main Seal, Ford, Small Block, Each

Part Number: WRL-087110

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Estimated Ship Date: Apr 22, 2026 if ordered today

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Engine Block, Cast Iron, 4-Bolt Mains, 3.990 in. Diameter Bore, 1-Piece Rear Main Seal, Ford, Small Block, Each

Part Number: WRL-087172

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Apr 22, 2026 if ordered today

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Engine Block, Cast Iron, 4-Bolt Mains, 4.115 in. Diameter Bore, 2-Piece Rear Main Seal, Ford, Small Block, Each

Part Number: WRL-087082

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Apr 22, 2026 if ordered today

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Bare Blocks, Dart Big M Series, Cast Iron, 10.200 in. Deck Height, 4.560 in. Bore, 4-Bolt Main, 2-Piece Rear Main Seal, Big Block, Chevy, Each

Part Number: DRT-31213555

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Estimated Ship Date: Apr 20, 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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