Engines, Bare Blocks - 4-bolt Main Bolt Style - 1-piece Rear Main Seal Style

Summit Racing™ SPC Ford 302 Engine Block SUM-150206

Engine Block, Ford 302 Cast Iron , 4-Bolt Mains, 8.200 in. Deck, 4.000 in. Bore, 1-Piece Rear Main Seal, Small Block, Each

Part Number: SUM-150206

Not Yet Reviewed

Estimated Ship Date: Monday 10/26/2026 if shipped by air

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Estimated Ship Date: Monday 10/26/2026 if shipped by air

Summit Racing™ SPC Small Block Chevy 350 Engine Block SUM-150203

Engine Block, 350 Chevy Small Block, Class 35 German Cast Iron, 4-Bolt 350 Mains, 4.000 in. Unfinished Bore Diameter, 1-Piece Rear Main Seal

Part Number: SUM-150203

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 10/26/2026 if shipped by air

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Estimated Ship Date: Monday 10/26/2026 if shipped by air

Ford Performance Parts Boss 302 Engine Blocks for 1985-1995 MUSTANG - M-6010-BOSS302

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

Part Number: FMS-M6010BOSS302

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Monday 10/26/2026 if shipped by air

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Estimated Ship Date: Monday 10/26/2026 if shipped by air

Chevrolet Performance 454 C.I.D. Bare Engine Blocks 19170538

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 10/26/2026 if shipped by air

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Estimated Ship Date: Monday 10/26/2026 if shipped by air

Summit Racing™ SPC Ford 351W Engine Block SUM-150205

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

Not Yet Reviewed

Estimated Ship Date: Monday 10/26/2026 if shipped by air

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Estimated Ship Date: Monday 10/26/2026 if shipped by air

Summit Racing™ SPC Small Block Chevy 400 Engine Block SUM-150204

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

Not Yet Reviewed

Estimated Ship Date: Monday 10/26/2026 if shipped by air

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Estimated Ship Date: Monday 10/26/2026 if shipped by air

Summit Racing™ SPC Ford 302 Engine Block SUM-150207

Engine Block, Ford 302 Cast Iron , 4-Bolt Mains, 8.200 in. Deck, 4.125 in. Bore, 1-Piece Rear Main Seal, Small Block, Each

Part Number: SUM-150207

Not Yet Reviewed

Estimated Ship Date: Monday 10/26/2026 if shipped by air

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Estimated Ship Date: Monday 10/26/2026 if shipped by air

BluePrint Engines Small Block Ford Compatible 302 Windsor Bare Engine Blocks BPP12110342

Engine Block SBF 302, SIAM, 8.200 x 4.000, CAST MC

Part Number: MLL-BPP12110342

Not Yet Reviewed

Estimated Ship Date: Dec 21, 2026 if ordered today

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Estimated Ship Date: Dec 21, 2026 if ordered today

ATK High Performance GM 350 Vortec Bare Blocks 13ZB

Engine Block, Vortec Roller, Cast Iron, 4-Bolt 350 Mains, 4 in. Diameter Bore, 1-Piece Rear Main Seal, Chevy Small Block, Each

Part Number: HPE-13ZB

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 10/26/2026 if shipped by air

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Estimated Ship Date: Monday 10/26/2026 if shipped by air

Chevrolet Performance Bowtie Big Block Chevy Cast Iron Engine Blocks 19212192

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 10/26/2026 if shipped by air

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Estimated Ship Date: Monday 10/26/2026 if shipped by air

BluePrint Engines Small Block Ford Compatible 302 Windsor Bare Engine Blocks BPP12110339

Engine Block SBF 302, SIAM, 8.200 x 4.125, BILLET MC

Part Number: MLL-BPP12110339

Not Yet Reviewed

Estimated Ship Date: Monday 10/26/2026 if shipped by air

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Estimated Ship Date: Monday 10/26/2026 if shipped by air

BluePrint Engines Small Block Ford Compatible 302 Windsor Bare Engine Blocks BPP12110340

Engine Block SBF 302, SIAM, 8.200 x 4.000, BILLET MC

Part Number: MLL-BPP12110340

Not Yet Reviewed

Estimated Ship Date: Monday 10/26/2026 if shipped by air

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Estimated Ship Date: Monday 10/26/2026 if shipped by air

Dart Iron Eagle Mopar Gen III Cast Iron Bare Blocks 31622111

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

Part Number: DRT-31622111

Not Yet Reviewed

Estimated Ship Date: Monday 10/26/2026 if shipped by air

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Estimated Ship Date: Monday 10/26/2026 if shipped by air

World Products 302 C.I.D. Ford Man O'War Blocks 087120

World Products 302 C.I.D. Ford Man O'War Blocks 087120

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

Part Number: WRL-087120

Not Yet Reviewed

Estimated Ship Date: Monday 10/26/2026 if shipped by air

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Estimated Ship Date: Monday 10/26/2026 if shipped by air

BluePrint Engines Small Block Ford Compatible 302 Windsor Bare Engine Blocks BPP12110341

Engine Block SBF 302, SIAM, 8.200 x 4.125, CAST MC

Part Number: MLL-BPP12110341

Not Yet Reviewed

Estimated Ship Date: Dec 22, 2026 if ordered today

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Estimated Ship Date: Dec 22, 2026 if ordered today