Engine Blocks & Parts | Summit Racing

Dart LS Next Aluminum Bare Blocks 31937221

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

Part Number: DRT-31937221

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

Dart LS Next Aluminum Bare Blocks 31937222

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

Part Number: DRT-31937222

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

Dart LS Next Aluminum Bare Blocks 31947221

Engine Block, SHP LS Next, Bare Block, 4.125 in Bore, 9.450 Deck, 4-Bolt Mains, Cast Aluminum, GM LS-Series, Each

Part Number: DRT-31947221

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

Dart Iron Eagle Small Block Chevy Cast Iron Bare Blocks 31121211

Dart Iron Eagle Small Block Chevy Cast Iron Bare Blocks 31121211

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

Part Number: DRT-31121211

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 Iron Eagle Small Block Chevy Cast Iron Bare Blocks 31122121

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

Part Number: DRT-31122121

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 Iron Eagle Small Block Chevy Cast Iron Bare Blocks 31122122

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

Part Number: DRT-31122122

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 Iron Eagle Small Block Chevy Cast Iron Bare Blocks 31122212

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

Part Number: DRT-31122212

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 Chevy Aluminum Bare Blocks 31511352

Engine Bare Blocks, Dart Race Series, Aluminum, 8.850 in. Deck Height, 4.180 in Bore, 4-Bolt Mains, 2 Piece Rear Main Seals, Chevy Small Block, Each

Part Number: DRT-31511352

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 Chevy Aluminum Bare Blocks 31512312

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-31512312

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 Chevy Aluminum Bare Blocks 31711132

Bare Blocks, Dart Race Series, Aluminum, 9.500 in Deck, 4.00 in. Bore, 4-Bolt Mains,2-Piece Rear Main Seals,BBC Cam Tunnel,® Small Block,Chevy, Each

Part Number: DRT-31711132

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 Chevy Aluminum Bare Blocks 31712132

Bare Blocks, Dart Race Series, Aluminum, 9.500 in Deck, 4.000 in. Bore, 4-Bolt Mains,2-Piece Rear Main Seals,BBC Cam Tunnel,® Small Block,Chevy, Each

Part Number: DRT-31712132

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 LS Next Aluminum Bare Blocks 31947122

Engine Block, SHP LS Next, Bare Block, 4.000 in Bore, 9.450 Deck, Raised Cam, 4-Bolt Mains, Cast Aluminum, GM LS-Series, Each

Part Number: DRT-31947122

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

Dart LS Next Aluminum Bare Blocks 31947222

Bare Blocks, Dart LS Next Series, Aluminum, 9.450 in Deck Height, 4.125 in Bore, Steel Main, 4-Bolt Mains,1-Piece Rear Main Seal, LS Gen III/IV, Chevy

Part Number: DRT-31947222

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

Dart LS Next Aluminum Bare Blocks 31937121

SBC Alum LSNext 9.450"-4.000 LS Main

Part Number: DRT-31937121

Not Yet Reviewed

Estimated Ship Date: Apr 8, 2026 if ordered today

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Estimated Ship Date: Apr 8, 2026 if ordered today

Dart LS Next Aluminum Bare Blocks 31947142

Engine Block, SHP LS Next, Bare Block, 4.000 in Bore, 9.750 Deck, Raised Cam, 4-Bolt Mains, Cast Aluminum, GM LS-Series, Each

Part Number: DRT-31947142

Not Yet Reviewed

Estimated Ship Date: Apr 8, 2026 if ordered today

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Estimated Ship Date: Apr 8, 2026 if ordered today

Dart LS Next Aluminum Bare Blocks 31947242

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

Part Number: DRT-31947242

Not Yet Reviewed

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Dart Iron Eagle Small Block Chevy Cast Iron Bare Blocks 31121222

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

Part Number: DRT-31121222

Not Yet Reviewed

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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: Mar 23, 2026 if ordered today

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Estimated Ship Date: Mar 23, 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: Apr 21, 2026 if ordered today

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Estimated Ship Date: Apr 21, 2026 if ordered today

Dart Iron Eagle Small Block Chevy Cast Iron Bare Blocks 31122112

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

Part Number: DRT-31122112

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 Chevy Aluminum Bare Blocks 31511332

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-31511332

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 Chevy Aluminum Bare Blocks 31512323

Engine Bare Blocks, Dart Race Series, Aluminum, 9.325 in. Deck Height, 4.180 in Bore, 4-Bolt Mains, 2 Piece Rear Main Seals, Chevy Small Block, Each

Part Number: DRT-31512323

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 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: Apr 21, 2026 if ordered today

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Estimated Ship Date: Apr 21, 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: Apr 21, 2026 if ordered today

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Estimated Ship Date: Apr 21, 2026 if ordered today

Dart Race Series Small Block Chevy Aluminum Bare Blocks 31711112

Bare Blocks, Dart Race Series, Aluminum, 9.025 in Deck, 4.125 in. Bore, 4-Bolt Mains,2-Piece Rear Main Seals,BBC Cam Tunnel,® Small Block,Chevy, Each

Part Number: DRT-31711112

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