Engine Blocks & Parts | Summit Racing

Brodix Cylinder Heads Aluminum Big Block Chevy Engine Blocks 8B 2200C

Engine Block, Aluminum, 4-Bolt Mains, 4.500 in. Diameter Bore, 2-Piece Rear Main Seal, Chevy, Big Block, Each

Part Number: BRO-8B2200C

Not Yet Reviewed

Estimated Ship Date: Apr 21, 2026 if ordered today

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Estimated Ship Date: Apr 21, 2026 if ordered today

Milodon Main Caps 11205

Milodon Main Caps 11205

Main Caps, Ductile Iron, 3-Center, Straight Outer Bolts, 4-Bolt, Chevy, Big Block, Set

Part Number: MIL-11205

Not Yet Reviewed

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ARP High Performance Series Main Bolts 123-5201

Main Bolts, High Performance Series, 4-Bolt Main, Buick V6, Stage I

Part Number: ARP-123-5201

Not Yet Reviewed

Estimated Ship Date: Mar 30, 2026 if ordered today

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Estimated Ship Date: Mar 30, 2026 if ordered today

Melling Freeze Plugs MEP-68B

Freeze Plug - Each - brass

Part Number: MEL-MEP-68B

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Apr 20, 2026 if ordered today

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Estimated Ship Date: Apr 20, 2026 if ordered today

Melling Freeze Plugs MPC-234B

Freeze Plug - Each - brass

Part Number: MEL-MPC-234B

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Apr 20, 2026 if ordered today

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Estimated Ship Date: Apr 20, 2026 if ordered today

Dart Big M Big Block Chevy Aluminum Bare Blocks 31264354

Engine Bare Blocks, Dart Big M Series, Aluminum, 10.20 in. Tall Deck, 4.250 in. Bore. 4-Bolt Mains, 2 Piece Rear Main Seal, Chevy, Big Block, Each

Part Number: DRT-31264354

Not Yet Reviewed

Estimated Ship Date: May 27, 2026 if ordered today

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Estimated Ship Date: May 27, 2026 if ordered today

Dart Race Series Small Block Ford Aluminum Bare Blocks 31345195

Engine Block, Aluminum, 4-Bolt Mains, 4.000 in. Diameter Bore, 1-Piece Rear Main Seal, Ford, V8, Each

Part Number: DRT-31345195

Not Yet Reviewed

Estimated Ship Date: May 27, 2026 if ordered today

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Estimated Ship Date: May 27, 2026 if ordered today

Dart Race Series Small Block Chevy Aluminum Bare Blocks 31712232

Bare Blocks, Dart Race Series, Aluminum, 9.500 in Deck, 4.125 in. Bore, 4-Bolt Mains,2-Piece Rear Main Seals,BBC Cam Tunnel,® Small Block,Chevy, Each

Part Number: DRT-31712232

Not Yet Reviewed

Estimated Ship Date: May 27, 2026 if ordered today

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Estimated Ship Date: May 27, 2026 if ordered today

Dart Race Series Small Block Ford Aluminum Bare Blocks 31345135

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

Part Number: DRT-31345135

Not Yet Reviewed

Estimated Ship Date: May 27, 2026 if ordered today

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Estimated Ship Date: May 27, 2026 if ordered today

ARP Main Stud Kits 207-5402

Main Studs, 2-Bolt Main, Mitsubishi, 2.6L, 4-Cylinder, Kit

Part Number: ARP-207-5402

Not Yet Reviewed

Estimated Ship Date: Mar 30, 2026 if ordered today

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Estimated Ship Date: Mar 30, 2026 if ordered today

ARP Main Stud Kits 150-5802

Main Studs, 4-Bolt Main, Ford, Powerstoke, 6.4L, Kit

Part Number: ARP-150-5802

Not Yet Reviewed

Estimated Ship Date: Mar 30, 2026 if ordered today

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Estimated Ship Date: Mar 30, 2026 if ordered today

Need It Sooner? We recommend these similar substitute parts:

Summit Racing™ Extreme Duty Main Studs SUM-910518

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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Milodon Main Caps 11506

Main Caps, Front Position, Straight, 4-bolt, Ductile Iron, Pontiac, 350, 389, 400, Each

Part Number: MIL-11506

Not Yet Reviewed

Estimated Ship Date: Jun 9, 2026 if ordered today

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Estimated Ship Date: Jun 9, 2026 if ordered today

Melling Freeze Plugs MPC-132B

Freeze Plug - Each - brass

Part Number: MEL-MPC-132B

Not Yet Reviewed

Estimated Ship Date: Apr 20, 2026 if ordered today

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Estimated Ship Date: Apr 20, 2026 if ordered today

Milodon Main Caps 11320

Main Caps, Ductile Iron, 3-Center, Angled Outer Bolts, 4-Bolt, Chrysler, Dodge, 354 Hemi, Set

Part Number: MIL-11320

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Jun 3, 2026 if ordered today

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Estimated Ship Date: Jun 3, 2026 if ordered today

Milodon Main Caps 11360

Main Caps, Ductile Iron, 3-Center, Straight, 2-Bolt, Chrysler, Dodge, Plymouth, 426, 440, Set

Part Number: MIL-11360

Not Yet Reviewed

Estimated Ship Date: Jun 3, 2026 if ordered today

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Estimated Ship Date: Jun 3, 2026 if ordered today

BluePrint Engines GM Big Block Compatible Bare Engine Blocks BPP12110329

Engine Block BBC, 2PC, SIAM, 10.200 x 4.500, CAST MC

Part Number: MLL-BPP12110329

Not Yet Reviewed

Estimated Ship Date: May 4, 2026 if ordered today

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Estimated Ship Date: May 4, 2026 if ordered today

Dart Race Series Small Block Ford Aluminum Bare Blocks 31345295

Engine Block, Aluminum, 4-Bolt Mains, 4.125 in. Diameter Bore, 1-Piece Rear Main Seal, Ford, Each

Part Number: DRT-31345295

Not Yet Reviewed

Estimated Ship Date: May 27, 2026 if ordered today

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Estimated Ship Date: May 27, 2026 if ordered today

World Products Motown Race Engine Blocks 084135RC

Engine Block, Cast Iron, 400 Mains, Billet Main Caps, 4.120 in. Bore, Raised Cam, 2-Piece Rear Main Seal, Chevy, Small Block, Each

Part Number: WRL-084135RC

Not Yet Reviewed

Estimated Ship Date: Tomorrow if ordered today

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Estimated Ship Date: Tomorrow if ordered today

Milodon Main Stud Kits 81217

Main Studs, 2-Bolt, Oldsmobile, 350, 400, 425, 455, with Windage Tray, Kit

Part Number: MIL-81217

Not Yet Reviewed

Estimated Ship Date: Jun 9, 2026 if ordered today

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Estimated Ship Date: Jun 9, 2026 if ordered today

Milodon Main Stud Kits 81189

Main Studs, 2-Bolt, Ford, 429, 460 with Windage Tray, Kit

Part Number: MIL-81189

Not Yet Reviewed

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World Products Motown Race Engine Blocks 084120

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

Part Number: WRL-084120

Not Yet Reviewed

Estimated Ship Date: Tomorrow if ordered today

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Estimated Ship Date: Tomorrow if ordered today

Melling Freeze Plugs MPS-78B

Shallow Plug - Brass - Each

Part Number: MEL-MPS-78B

Not Yet Reviewed

Estimated Ship Date: Tomorrow if ordered today

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Estimated Ship Date: Tomorrow if ordered today

Brodix Cylinder Heads Aluminum Small Block Chevy Engine Blocks 8B 1150

Engine Block, Aluminum, 4-Bolt Mains, 4.000 in. Diameter Bore, 2-Piece Rear Main Seal, Chevy, Small Block, Each

Part Number: BRO-8B1150

Not Yet Reviewed

Estimated Ship Date: Apr 21, 2026 if ordered today

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Estimated Ship Date: Apr 21, 2026 if ordered today

Dart Race Series Small Block Ford Aluminum Bare Blocks 31344175

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

Part Number: DRT-31344175

Not Yet Reviewed

Estimated Ship Date: May 27, 2026 if ordered today

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Estimated Ship Date: May 27, 2026 if ordered today

Milodon Main Caps 11362

Main Caps, 5-cap Set Position, Straight, 2-bolt, Ductile Iron, Chrysler, Dodge, Plymouth, 383, 400, Set

Part Number: MIL-11362

Not Yet Reviewed

Estimated Ship Date: May 19, 2026 if ordered today

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Estimated Ship Date: May 19, 2026 if ordered today