Engine Blocks & Accessories

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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Estimated Ship Date: Tomorrow

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Engine Block, 400 Chevy Small Block, Class 35 German Cast Iron, 4-Bolt 350 Mains, 4.125 in. Unfinished Bore Diameter, 1-Piece Rear Main Seal

Part Number: SUM-150204

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Engine Block, LSX Bowtie, Bare, Cast Iron, 6-bolt Main Bolt Style, 9.240 in. Standard Deck, Chevrolet, Each

Part Number: NAL-19417352

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Estimated Ship Date: Aug 6, 2025 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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Engine Block, Cast Iron, 4-Bolt Mains, 4.000 in. Diameter Bore, 1-Piece Rear Main Seal, Chevy, Small Block

Part Number: DRT-31161111L

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Jun 12, 2025 if ordered today

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Engine Block, Cast Iron, 4-Bolt Mains, 4.120 in. Diameter Bore, 1-Piece Seal, 9.50 in. Deck, Ford, Boss 351

Part Number: FMS-M6010BS351BB

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Engines, Bare Block, Cast Iron, Merlin IV BBC, 10.200 in. Deck, 4.595 in. Bore, Splayed Billet Caps, Standard Cam Bearings and Lifters, Each

Part Number: WRL-095112

5.0 out of 5 stars ( 1 )

Estimated Ship Date: May 28, 2025 if ordered today

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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-19212197

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Estimated Ship Date: Jul 7, 2025 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

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Estimated Ship Date: Jul 7, 2025 if ordered today

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Engine Block, Cast Iron, Nodular Iron 4-Bolt Mains, 4.500 in. Bore, 1-Piece Seal, 9.800 in. Deck, Chevy, Big Block, Each

Part Number: WRL-091105

5.0 out of 5 stars ( 1 )

Estimated Ship Date: May 28, 2025 if ordered 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: May 12, 2025 if ordered today

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SBF Ir/Blk PRO Ford 9.5x4.125"xcleve"

Part Number: DRT-31395236

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Estimated Ship Date: Jun 9, 2025 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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Engines, Bare Block, Cast Iron, Merlin IV BBC, 10.200 in. Deck, 4.495 in. Bore, Splayed Billet Caps, 55mm Babbit Cam Bearings and 0.904 Lifter, Each

Part Number: WRL-095110-55

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Estimated Ship Date: May 28, 2025 if ordered today

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Engines, Bare Block, Cast Iron, Merlin IV BBC, 9.800 in. Deck, 4.495 in. Bore, Billet Caps, 55mm Babbitt Cam Bearings and 0.904 in. Lifter bores, Each

Part Number: WRL-095010-55

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Estimated Ship Date: May 28, 2025 if ordered today

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Bare Blocks, Dart Big M Series, Cast Iron, 10.200 in. Deck Height, 4.500 in. Bore, 4-Bolt Main, 2-Piece Rear Main Seal, Big Block, Chevy, Each

Part Number: DRT-31213454

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Estimated Ship Date: May 8, 2025 if ordered today

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Bare Blocks, Dart Little M Series, Cast Iron, 9.025 in. Deck Height, 4.000 in. Bore, 4-Bolt Main, 2-Piece Rear Main Seal, Small Block, Chevy, Each

Part Number: DRT-31181111

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Estimated Ship Date: Jun 17, 2025 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: May 28, 2025 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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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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Engine Block, LSX Bowtie, Bare, Cast Iron, 6-bolt Main Bolt Style, 9.720 in Tall Deck, Semi Finished, Chevy, Each

Part Number: NAL-19417354

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Estimated Ship Date: Jul 21, 2025 if ordered 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: Jul 7, 2025 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: Tomorrow

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Bare Blocks, Dart SHP Pro Series, Cast Iron, 9.025 in. Deck Height, 4.125 in. Bore, 4-Bolt Main, 2 Piece Rear Main Seal, Small Block, Chevy,Each

Part Number: DRT-31162212

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Estimated Ship Date: Jun 11, 2025 if ordered today

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Engine Block, Cast Iron, Nodular Iron Splayed 4-Bolt Mains, 4.425 in. Bore, 2-Piece Seal, 10.200 in. Deck, Chevy, Big Block, Each

Part Number: WRL-091110

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Estimated Ship Date: May 28, 2025 if ordered today

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