Engines, Bare Blocks - 4.165 Maximum Bore Diameter (in.) - V8 Engine Type - Free Shipping on Orders Over $109 at Summit Racing

Summit Racing™ SPC Engine Blocks SUM-150202

Engine Block, 400 Chevy Small Block, Class 35 German Cast Iron, 4-Bolt 350 Mains, 4.125 in. Unfinished Bore Diameter, 2-Piece Rear Main Seal

Part Number: SUM-150202

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

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Summit Racing™ SPC Engine Blocks SUM-150201

Engine Block, 400 Chevy Small Block, Class 35 German Cast Iron, 4-Bolt 400 Mains, 4.125 in. Unfinished Bore Diameter, 2-Piece Rear Main Seal

Part Number: SUM-150201

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

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Dart SHP Special High Performance Small Block Chevy Cast Iron Bare Blocks 31161111

Dart SHP Special High Performance Small Block Chevy Cast Iron Bare Blocks 31161111

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

Part Number: DRT-31161111

4.83 out of 5 stars ( 6 )

Estimated Ship Date: Tomorrow

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Summit Racing™ SPC Engine Blocks SUM-150200

Engine Block, 350 Chevy Small Block, Class 35 German Cast Iron, 4-Bolt 350 Mains, 4.000 in. Unfinished Bore Diameter, 2-Piece Rear Main Seal

Part Number: SUM-150200

5.0 out of 5 stars ( 5 )

Estimated Ship Date: Tomorrow

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Dart SHP Special High Performance Small Block Chevy Cast Iron Bare Blocks 31162211

Engine Block, Cast Iron, 400 Mains, 4.115 in. Bore, 2-Piece Rear Main Seal, Chevy, Small Block, Each

Part Number: DRT-31162211

4.25 out of 5 stars ( 4 )

Estimated Ship Date: Tomorrow

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Dart SHP Special High Performance Small Block Chevy Cast Iron Bare Blocks 31161211

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

Part Number: DRT-31161211

4.75 out of 5 stars ( 8 )

Estimated Ship Date: Tomorrow

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Summit Racing™ SPC Engine Blocks SUM-150203

Engine Block, 350 Chevy Small Block, Class 35 German Cast Iron, 4-Bolt 350 Mains, 4.000 in. Unfinished Bore Diameter, 1-Piece Rear Main Seal

Part Number: SUM-150203

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

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Dart LS Next Cast Iron Bare Blocks 31867211

Engine Block, SHP LS Next, Bare Block, 4.125 in Bore, 9.240 Deck, 4-Bolt Mains, Cast Iron, GM LS-Series, Each

Part Number: DRT-31867211

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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RHS LS Bare Race Blocks 54903U

Engine Block, Aluminum, 6-Bolt Mains, 4.125 in. Diameter Bore, 1-Piece Rear Main Seal, Chevy, LS, Each

Part Number: RHS-54903U

Not Yet Reviewed

Estimated Ship Date: Jun 26, 2025 if ordered today

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Estimated Ship Date: Jun 26, 2025 if ordered today

Summit Racing™ SPC Engine Blocks SUM-150204

Engine Block, 400 Chevy Small Block, Class 35 German Cast Iron, 4-Bolt 350 Mains, 4.125 in. Unfinished Bore Diameter, 1-Piece Rear Main Seal

Part Number: SUM-150204

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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Dart SHP Special High Performance Small Block Chevy Cast Iron Bare Blocks 31161111L

Engine Block, Cast Iron, 4-Bolt Mains, 4.000 in. Diameter Bore, 1-Piece Rear Main Seal, Chevy, Small Block

Part Number: DRT-31161111L

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Jun 12, 2025 if ordered today

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Estimated Ship Date: Jun 12, 2025 if ordered today

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Summit Racing™ SPC Engine Blocks SUM-150203

5 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

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Callies Mopar Engine Blocks 05045475AG-ASSY

Engines, Bare Blocks, Gen III Hemi, Cast Iron, OEM Style, Standard Deck, 4.10 in. Bore, with Studs, Line Honed Main Caps, Dodge, RAM, 6.4L, Each

Part Number: CPI-S0034

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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Summit Racing™ SPC Engine Blocks SUM-150206

Engine Block, Ford 302 Cast Iron , 4-Bolt Mains, 4.000 in. Bore, 1-Piece Rear Main Seal, Small Block, Each

Part Number: SUM-150206

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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RHS LS Bare Race Blocks 54901U

Engine Block, Aluminum, 6-Bolt Mains, 4.125 in. Diameter Bore, 1-Piece Rear Main Seal, Chevy, LS, Tall, Each

Part Number: RHS-54901U

Not Yet Reviewed

Estimated Ship Date: Jun 26, 2025 if ordered today

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Estimated Ship Date: Jun 26, 2025 if ordered today

Callies Mopar Engine Blocks 05045475AG-MSKIT

Engines, Bare Blocks, Gen III Hemi, Cast Iron, OEM Style, Standard Deck, 4.10 in. Bore, 2-Bolt Mains, with OptiTorque Stud Kit, Dodge, RAM, 6.4L, Each

Part Number: CPI-S0032

Not Yet Reviewed

Estimated Ship Date: Jul 7, 2025 if ordered today

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Estimated Ship Date: Jul 7, 2025 if ordered today

Callies Mopar Engine Blocks 05045475AG-KIT

Engines, Bare Blocks, Gen III Hemi, Cast Iron, OEM Style, Standard Deck, 4.10 in. Bore, 2-Bolt Mains, Energy Billet Main Caps, Dodge, RAM, 6.4L, Each

Part Number: CPI-S0033

Not Yet Reviewed

Estimated Ship Date: Jul 7, 2025 if ordered today

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Estimated Ship Date: Jul 7, 2025 if ordered today

Dart SHP Pro Special High Performance Small Block Chevy Cast Iron Bare Blocks 31161112

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

Part Number: DRT-31161112

Not Yet Reviewed

Estimated Ship Date: Jun 11, 2025 if ordered today

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Estimated Ship Date: Jun 11, 2025 if ordered today

Dart SHP Pro Special High Performance Small Block Chevy Cast Iron Bare Blocks 31161212

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

Part Number: DRT-31161212

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Jun 11, 2025 if ordered today

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Estimated Ship Date: Jun 11, 2025 if ordered today

Dart SHP Special High Performance Small Block Chevy Cast Iron Bare Blocks 31162111

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

Part Number: DRT-31162111

Not Yet Reviewed

Estimated Ship Date: Jun 11, 2025 if ordered today

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Estimated Ship Date: Jun 11, 2025 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: Jun 11, 2025 if ordered today

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Estimated Ship Date: Jun 11, 2025 if ordered today

Dart Race Series Small Block Ford Aluminum Bare Blocks 31344185

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

Part Number: DRT-31344185

Not Yet Reviewed

Estimated Ship Date: Jun 11, 2025 if ordered today

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Estimated Ship Date: Jun 11, 2025 if ordered today

Dart Race Series Small Block Ford Aluminum Bare Blocks 31344195

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

Part Number: DRT-31344195

Not Yet Reviewed

Estimated Ship Date: Jun 11, 2025 if ordered today

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Estimated Ship Date: Jun 11, 2025 if ordered today

Dart Race Series Small Block Ford Aluminum Bare Blocks 31344275

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

Part Number: DRT-31344275

Not Yet Reviewed

Estimated Ship Date: Jun 17, 2025 if ordered today

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Estimated Ship Date: Jun 17, 2025 if ordered today

Dart Race Series Small Block Ford Aluminum Bare Blocks 31344285

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

Part Number: DRT-31344285

Not Yet Reviewed

Estimated Ship Date: Jun 11, 2025 if ordered today

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Estimated Ship Date: Jun 11, 2025 if ordered today

Dart Race Series Small Block Ford Aluminum Bare Blocks 31344295

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

Part Number: DRT-31344295

Not Yet Reviewed

Estimated Ship Date: Jun 11, 2025 if ordered today

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Estimated Ship Date: Jun 11, 2025 if ordered today