Engine Blocks & Accessories Engines & Components - Free Shipping on Orders Over $109 at Summit Racing

World Products Merlin IV Engine Blocks 095012-55

World Products Merlin IV Engine Blocks 095012-55

Engines, Bare Block, Cast Iron, Merlin IV BBC, 9.800 in. Deck, 4.595 in. Bore, Billet Caps, 55mm Babbitt Cam Bearings and 0.904 in. Lifter bores, Each

Part Number: WRL-095012-55

Not Yet Reviewed

Estimated Ship Date: Jan 22, 2026 if ordered today

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Estimated Ship Date: Jan 22, 2026 if ordered today

World Products Merlin IV Engine Blocks 095017

Engine Block, Cast Iron, 4-Bolt Mains, 4.595 in. Diameter Bore, 9.850 in. Deck, Billet Steel Main Caps, 2-Piece Rear Main Seal, Chevy, Big Block, Each

Part Number: WRL-095017

Not Yet Reviewed

Estimated Ship Date: Jan 22, 2026 if ordered today

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Estimated Ship Date: Jan 22, 2026 if ordered today

World Products Merlin IV Engine Blocks 095100

Engines, Bare Block, Cast Iron, Merlin IV BBC, 10.200 in. Deck, 4.245 in. Bore, Splayed Billet Caps, Standard Cam Bearings and Lifter bores, Each

Part Number: WRL-095100

Not Yet Reviewed

Estimated Ship Date: Jan 22, 2026 if ordered today

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Estimated Ship Date: Jan 22, 2026 if ordered today

World Products Merlin IV Engine Blocks 095110-55

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

Not Yet Reviewed

Estimated Ship Date: Jan 22, 2026 if ordered today

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Estimated Ship Date: Jan 22, 2026 if ordered today

World Products SBC Motown Blocks 084030

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

Part Number: WRL-084030

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Jan 22, 2026 if ordered today

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Estimated Ship Date: Jan 22, 2026 if ordered today

World Products Motown Race Engine Blocks 084130

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

Part Number: WRL-084130

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Jan 22, 2026 if ordered today

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Estimated Ship Date: Jan 22, 2026 if ordered today

World Products 302 C.I.D. Ford Man O'War Blocks 087010

Engine Block, Ford Man O'War, 302 c.i.d., Cast Iron, 302 Mains, 8.2 in. Deck Height, 1-piece Rear Main Style

Part Number: WRL-087010

Not Yet Reviewed

Estimated Ship Date: Jan 22, 2026 if ordered today

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Estimated Ship Date: Jan 22, 2026 if ordered today

World Products 302 C.I.D. Ford Man O'War Blocks 087020

Engine Block, Ford Man O'War, 302 c.i.d., Cast Iron, 302 Mains, 8.2 in. Deck Height, 1-piece Rear Main Style

Part Number: WRL-087020

Not Yet Reviewed

Estimated Ship Date: Jan 22, 2026 if ordered today

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Estimated Ship Date: Jan 22, 2026 if ordered today

World Products Man O'War Bare Blocks 087072

Engines, Bare Blocks, Man O'War Bare Block, 351 Cleveland Mains, 9.500 in. Deck Height, 4-bolt Main Style, Ford, 5.0L, 5.8L, Small Block Windsor, Each

Part Number: WRL-087072

Not Yet Reviewed

Estimated Ship Date: Jan 22, 2026 if ordered today

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Estimated Ship Date: Jan 22, 2026 if ordered today

Chevrolet Performance Bowtie Big Block Chevy Cast Iron Engine Blocks 19212191

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: Apr 20, 2026 if ordered today

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Estimated Ship Date: Apr 20, 2026 if ordered today

Need It Sooner? We recommend these similar substitute parts:

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

4.75 out of 5 stars ( 9 )

Estimated Ship Date: Tomorrow

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S&S Cycle MK-Series Performance Crankcases 310-1326

S&S Cycle 2018+ M8 Softail Models MK-Series Crankcase Assembly

Part Number: SSY-310-1326

Not Yet Reviewed

Estimated Ship Date: Jan 14, 2026 if ordered today

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Estimated Ship Date: Jan 14, 2026 if ordered today

S&S Cycle Super Stock Alternator-Style Crankcases 31-0078

ENG CASE BIG BORE BLK EVO

Part Number: SSY-31-0078

Not Yet Reviewed

Estimated Ship Date: Jan 6, 2026 if ordered today

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Estimated Ship Date: Jan 6, 2026 if ordered today

Dart SHP Special High Performance LS Next Pro Cast Iron Bare Blocks 31867112

Bare Block, Cast Iron, LS Mains, 4.00 in. Bore, 9.24 in. Deck Height, Each

Part Number: DRT-31867112

Not Yet Reviewed

Estimated Ship Date: Feb 4, 2026 if ordered today

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Estimated Ship Date: Feb 4, 2026 if ordered today

S&S Cycle 100 in. Power Packages 330-0664

ENGINE CYLINDERS, 99-06 TWIMCAM (EXC 06 DYNA), POWER PACK 585CE BLK

Part Number: SSY-330-0664

Not Yet Reviewed

Estimated Ship Date: Jan 2, 2026 if ordered today

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Estimated Ship Date: Jan 2, 2026 if ordered today

S&S Cycle 100 in. Power Packages 330-0663

ENGINE CYLINDERS, 99-06 TWIMCAM (EXC 06 DYNA), POWER PACK 585GE SIL

Part Number: SSY-330-0663

Not Yet Reviewed

Estimated Ship Date: Jan 5, 2026 if ordered today

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Estimated Ship Date: Jan 5, 2026 if ordered today

S&S Cycle Super Stock Generator-Style Crankcases 31-0008

ENGINE CASES GENERATOR NAT

Part Number: SSY-31-0008

Not Yet Reviewed

Estimated Ship Date: Jan 5, 2026 if ordered today

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Estimated Ship Date: Jan 5, 2026 if ordered today

Chevrolet Performance 350 C.I.D. Cast Iron Racing Bowtie Bare Engine Blocks 12480175

Engine Block, Cast Iron, 4-Bolt Mains, 4.117- 4.155 in. Bore, 1-Piece Rear Main Seal, Chevy, Small Block, Each

Part Number: NAL-12480175

Not Yet Reviewed

Estimated Ship Date: Apr 13, 2026 if ordered today

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Estimated Ship Date: Apr 13, 2026 if ordered today

Dart Big M2 Pro Series Big Block Chevy Cast Iron Bare Blocks 31223455

Bare Blocks, Dart Big M Sportsman 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-31223455

Not Yet Reviewed

Estimated Ship Date: Feb 10, 2026 if ordered today

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Estimated Ship Date: Feb 10, 2026 if ordered today

Dart Big M2 Pro Series Big Block Chevy Cast Iron Bare Blocks 31223495

Bare Blocks, Dart Big M Series, Cast Iron,10.400 in. Deck Height, 4.500 in,Bore,4-Bolt Main,2-Piece Rear Main Seal, Big Block, Chevy, Each

Part Number: DRT-31223495

Not Yet Reviewed

Estimated Ship Date: Feb 10, 2026 if ordered today

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Estimated Ship Date: Feb 10, 2026 if ordered today

Dart Big M2 Pro Series Big Block Chevy Cast Iron Bare Blocks 31223555

Bare Blocks, Dart Big M Sportsman 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-31223555

Not Yet Reviewed

Estimated Ship Date: Feb 10, 2026 if ordered today

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Estimated Ship Date: Feb 10, 2026 if ordered today

Dart Big M2 Pro Series Big Block Chevy Cast Iron Bare Blocks 31223595

Bare Blocks, Dart Big M Series, Cast Iron,10.400 in. Deck Height, 4.560 in,Bore,4-Bolt Main,2-Piece Rear Main Seal, Big Block, Chevy, Each

Part Number: DRT-31223595

Not Yet Reviewed

Estimated Ship Date: Feb 10, 2026 if ordered today

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Estimated Ship Date: Feb 10, 2026 if ordered today

Dart Big M2 Pro Series Big Block Chevy Cast Iron Bare Blocks 31223645

Bare Blocks, Dart Big M Sportsman Series, Cast Iron,9.800 in. Deck Height, 4.600 in,Bore,4-Bolt Main,2-Piece Rear Main Seal, Big Block, Chevy, Each

Part Number: DRT-31223645

Not Yet Reviewed

Estimated Ship Date: Feb 10, 2026 if ordered today

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Estimated Ship Date: Feb 10, 2026 if ordered today

Dart Big M2 Pro Series Big Block Chevy Cast Iron Bare Blocks 31223695

Bare Blocks, Dart Big M Series, Cast Iron,10.400 in. Deck Height, 4.560 in,Bore,4-Bolt Main,2-Piece Rear Main Seal, Big Block, Chevy, Each

Part Number: DRT-31223695

Not Yet Reviewed

Estimated Ship Date: Feb 10, 2026 if ordered today

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Estimated Ship Date: Feb 10, 2026 if ordered today

World Products 8.1 Liter Direct Replacement Blocks 018100

Bare Block, 8.1L Vortec, 10.245 in. Deck Height, 4.245 in. Bore, Standard Cam, Nodular Iron Caps, Direct Stock OEM Replacement, Each

Part Number: WRL-018100

Not Yet Reviewed

Estimated Ship Date: Jan 15, 2026 if ordered today

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Estimated Ship Date: Jan 15, 2026 if ordered today

World Products Motown LS Iron Blocks 084080-904

Engine Block, Cast Iron, 4-Bolt Mains, 3.995 in. Diameter Bore, 2-Piece Rear Main Seal, Chevy, Small Block, Each

Part Number: WRL-084080-904

Not Yet Reviewed

Estimated Ship Date: Jan 15, 2026 if ordered today

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Estimated Ship Date: Jan 15, 2026 if ordered today