Engine Blocks & Parts | Summit Racing

Dart Race Series Small Block Ford Aluminum Bare Blocks 31344175

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

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

World Products SBC Motown Blocks 084130RC-904

Engines, Bare Blocks, SBC Motown Block, 400 Mains, 9.025 in. Deck Height, 4-bolt Main Bolt Style, Chevrolet, V8, Chevy Small Block Gen I, Each

Part Number: WRL-084130RC-904

Not Yet Reviewed

Estimated Ship Date: Apr 15, 2026 if ordered today

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Estimated Ship Date: Apr 15, 2026 if ordered today

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: Mar 23, 2026 if ordered today

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Estimated Ship Date: Mar 23, 2026 if ordered today

BluePrint Engines GM LS Compatible Bare Engine Blocks BPP12110350

Engine Block LS, SIAM, 9.240 x 4.125, BILLET MC, 6 HD BLT

Part Number: MLL-BPP12110350

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

Need It Sooner? We recommend these similar substitute parts:

Summit Racing™ SPC Pro LS Engine Block SUM-150215

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Estimated Ship Date: Today

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BluePrint Engines GM Small Block Compatible Bare Engine Blocks BPP12110343

Engine Block SBC, 2PC, SIAM, 9.025 x 4.125, 350MAIN, CAST MC

Part Number: MLL-BPP12110343

Not Yet Reviewed

Estimated Ship Date: May 1, 2026 if ordered today

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Estimated Ship Date: May 1, 2026 if ordered today

BluePrint Engines GM Small Block Compatible Bare Engine Blocks BPP12110344

Engine Block SBC, 2PC, SIAM, 9.025 x 4.000, 350MAIN, CAST MC

Part Number: MLL-BPP12110344

Not Yet Reviewed

Estimated Ship Date: May 1, 2026 if ordered today

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Estimated Ship Date: May 1, 2026 if ordered today

Dart LS Next Aluminum Bare Blocks 31937142

Bare Blocks, Dart LS Next Series, Aluminum, 9.750 Deck Height, 4 in Bore, Steel Main, 4-Bolt Mains, 1-Piece Rear Main Seal, LS Gen III/IV, Chevy

Part Number: DRT-31937142

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 LS Next Aluminum Bare Blocks 31937112

Engine Block, LS Next, Aluminum, 4.000 in. Diameter Bore, 4-Bolt Mains, Raised Cam, Chevy, LS, Each

Part Number: DRT-31937112

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 SBC Motown Blocks 084010

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

Part Number: WRL-084010

Not Yet Reviewed

Estimated Ship Date: Mar 23, 2026 if ordered today

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Estimated Ship Date: Mar 23, 2026 if ordered today

BluePrint Engines GM LS Compatible Bare Engine Blocks BPP12110359

Engine Block LS, SIAM, 9.240 x 4.125, BILLET MC, 4 HD BLT

Part Number: MLL-BPP12110359

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 Iron Eagle Small Block Chevy Cast Iron Bare Blocks 31122111

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

Part Number: DRT-31122111

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 31511312

Engine Bare Blocks, Dart Race Series, Aluminum, 9.025 in. Deck Height, 4.180 in Bore, 4-Bolt Mains, 2 Piece Rear Main Seals, Chevy Small Block, Each

Part Number: DRT-31511312

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 31712242

Bare Blocks, Dart Race Series, Aluminum, 9.075 in Deck, 4.125 in. Bore, 4-Bolt Mains,2-Piece Rear Main Seals,BBC Cam Tunnel,® Small Block,Chevy, Each

Part Number: DRT-31712242

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 31512342

Engine Bare Blocks, Dart Race Series, Aluminum, 9.075 in. Deck Height, 4.180 in Bore, 4-Bolt Mains, 2 Piece Rear Main Seals, Chevy Small Block, Each

Part Number: DRT-31512342

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 31512332

Engine Bare Blocks, Dart Race Series, Aluminum, 9.500 in. Deck Height, 4.180 in Bore, 4-Bolt Mains, 2 Piece Rear Main Seals, Chevy Small Block, Each

Part Number: DRT-31512332

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 LS Next Cast Iron Bare Blocks 31837111

Engine Block, LS Next, Bare Block, 4 in Bore, 9.240 Deck, 4-Bolt Mains, 1 Piece Seal, 0.375 in Extended Cylinder Barrels, Iron, GM LS-Series, Each

Part Number: DRT-31837111

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 LS Iron Blocks 084180-904

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

Part Number: WRL-084180-904

Not Yet Reviewed

Estimated Ship Date: Mar 23, 2026 if ordered today

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Estimated Ship Date: Mar 23, 2026 if ordered today

Brodix Cylinder Heads Aluminum Small Block Chevy Engine Blocks 8B1000C

Engine Block, Aluminum, 4-Bolt Mains, 4.125 in. Diameter Bore, 2-Piece Rear Main Seal, Chevy, Small Block, Each

Part Number: BRO-8B1000C

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

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Dart Race Series Small Block Chevy Aluminum Bare Blocks 31711222

Engine Bare Blocks, Dart Race Series, Aluminum, 9.325 in. Deck Height, 4.125 in Bore, 4-Bolt Mains, 2 Piece Rear Main Seals, Chevy Small Block, Each

Part Number: DRT-31711222

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 LS Next Aluminum Bare Blocks 31947112

Bare Blocks, Dart LS Next Series, Aluminum, 9.240 in Deck Height, 4 in Bore, Steel Main, 4-Bolt Mains, 1-Piece Rear Main Seal, LS Gen III/IV, Chevy

Part Number: DRT-31947112

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 Big M Big Block Chevy Aluminum Bare Blocks 31264654

Engine Block, Aluminum, 4-Bolt Mains, 4.600 in. Diameter Bore, 2-Piece Rear Main Seal, Chevy, Big Block, Each

Part Number: DRT-31264654

Not Yet Reviewed

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Dart Race Series Big Block Chevy Aluminum Bare Blocks 31264355

Engine Block, Race Series, Aluminum, 4-Bolt Mains, 10.2 Deck, 4.250 in. Dia., Bore, 2-Piece Seal, Chevy, Each

Part Number: DRT-31264355

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 LS Next Aluminum Bare Blocks 31937242

Engine Block, LS Next, Aluminum, 4.125 in. Diameter Bore, 4-Bolt Mains, Raised Cam, Chevy, LS, Each

Part Number: DRT-31937242

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 31512322

Engine Bare Blocks, Dart Race Series, Aluminum, 9.025 in. Deck Height, 4.180 in Bore, 4-Bolt Mains, 2 Piece Rear Main Seals, Chevy Small Block, Each

Part Number: DRT-31512322

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