CHEVROLET Engine Blocks & Accessories

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

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Estimated Ship Date: Sep 8, 2025 if ordered today

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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

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Engine Block, Race Series, Aluminum, 4-Bolt Mains, 10.0 Deck, 4.250 in. Dia., Bore, 2-Piece Seal, Chevy, Each

Part Number: DRT-31264385

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Engine Block, Race Series, Aluminum, 4-Bolt Mains, 10.4 Deck, 4.250 in. Dia., Bore, 2-Piece Seal, Chevy, Each

Part Number: DRT-31264395

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

Part Number: DRT-31264444

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Engine Block, Race Series, Aluminum, 4-Bolt Mains, 9.80 Deck, 4.500 in. Dia., Bore, 2-Piece Seal, Chevy, Each

Part Number: DRT-31264445

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Engine Block, Race Series, Aluminum, 4-Bolt Mains, 10.0 Deck, 4.500 in. Dia., Bore, 2-Piece Seal, Chevy, Each

Part Number: DRT-31264485

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

Part Number: DRT-31121111

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

Part Number: DRT-31121112

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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

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

Part Number: DRT-31121212

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Estimated Ship Date: Apr 8, 2026 if ordered today

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

Part Number: DRT-31121221

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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

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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

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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

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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

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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

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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

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

Part Number: DRT-31122221

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Estimated Ship Date: Apr 13, 2026 if ordered today

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

Part Number: DRT-31122222

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Engine Block, Cast Iron, 4-bolt Mains, 4 in. Diameter Bore, 2-piece Rear Main Seal, Chevy, Small Block, Each

Part Number: DRT-31161112

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Engine Block, Cast Iron, 4-bolt Mains, 4.125 in. Diameter Bore, 2-piece Rear Main Seal, Chevy, Small Block

Part Number: DRT-31161212

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Estimated Ship Date: Sep 8, 2025 if ordered today

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Engine Block, Cast Iron, 2-Bolt Mains, 3.750 in. Bore, 2-Piece Rear Seal, Chevy, Small Block, Each

Part Number: DRT-31161411

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Engine Block, Cast Iron, 400 Mains, 4.000 in. Bore, 2-Piece Rear Main Seal, Chevy, Small Block, Each

Part Number: DRT-31162111

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Engine Block, Cast Iron, 4-bolt Mains, 4.000 in. Diameter Bore, 2-piece Rear Main Seal, Chevrolet, Small Block, Each

Part Number: DRT-31162112

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