Engine Blocks & Parts | Summit Racing

Dart Block Sleeves 32160311

Dart Block Sleeves 32160311

Cylinder Sleeve, Cast Iron, 4.600 in. Bore I.D., 0.075 in. Wall Thickness, 6.370 in. Length, Each

Part Number: DRT-32160311

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 Big M2 Pro Series Big Block Chevy Cast Iron Bare Blocks 31223495

Bare Blocks, Dart Big M Series, Cast Iron,10.400 in. Deck Height, 4.500 in,Bore,4-Bolt Main,2-Piece Rear Main Seal, Big Block, Chevy, Each

Part Number: DRT-31223495

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 Stud Kits 81128

Main Studs, 4-Bolt Main, Chevy, Large Journal, Small Block, with Milodon Caps, Kit

Part Number: MIL-81128

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 81115

Main Studs, Straight 4-Bolt Main, Chevy, 350, 400, Kit

Part Number: MIL-81115

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Jun 12, 2026 if ordered today

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Estimated Ship Date: Jun 12, 2026 if ordered today

Need It Sooner? We recommend these similar substitute parts:

ARP High Performance Series Main Bolts 134-5202

4.75 out of 5 stars ( 37 )

Estimated Ship Date: Tomorrow

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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 Block Sleeves 32110231

Cylinder Sleeve, Cast Iron, 4.115 in. Bore I.D., 0.185 in. Wall Thickness, 6.100 in. Length, Each

Part Number: DRT-32110231

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 Stud Kits 81125

Main Studs, 2-Bolt Main, Chevy, 350, 400, Kit

Part Number: MIL-81125

Not Yet Reviewed

Estimated Ship Date: Jun 11, 2026 if ordered today

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Estimated Ship Date: Jun 11, 2026 if ordered today

Need It Sooner? We recommend these similar substitute parts:

Summit Racing™ Main Stud Kits SUM-910205

2.75 out of 5 stars ( 3 )

Estimated Ship Date: Tomorrow

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Dart Little M2 Small Block Chevy Cast Iron Bare Blocks 31191211

Bare Blocks, Dart Little M Series, Cast Iron, 9.025 in. Deck Height, 4.125 in. Bore, 4-Bolt Main, 2-Piece Rear Main Seal, Small Block, Chevy, Each

Part Number: DRT-31191211

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 Block Sleeves 32160111

Cylinder Sleeve, Cast Iron, 4.240 in. Bore I.D., 0.185 in. Wall Thickness, 6.370 in. Length, Each

Part Number: DRT-32160111

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 Big M2 Big Block Chevy Cast Iron Bare Blocks 31223544

Bare Blocks, Dart Big M Sportsman Series, Cast Iron,9.800 in. Deck Height, 4.560 in,Bore,4-Bolt Main,2-Piece Rear Main Seal, Big Block, Chevy, Each

Part Number: DRT-31223544

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

BluePrint Engines Small Block Ford Compatible 302 Windsor Bare Engine Blocks BPP12110341

Engine Block SBF 302, SIAM, 8.200 x 4.125, CAST MC

Part Number: MLL-BPP12110341

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

Wagner Tuning Pro Series Main Stud Kits P219011410.BR

Main Studs, 2-Bolt Main, 12-Point, Black Burnished, Toyota, Lexus, 3.0L, 2JZ-GE, 2JZ-GTE, Kit

Part Number: WGT-P219011410BR

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 Big M2 Pro Series Big Block Chevy Cast Iron Bare Blocks 31213395

Bare Blocks, Dart Big M Series, Cast Iron,10.400 in. Deck Height, 4.250 in,Bore,4-Bolt Main,2-Piece Rear Main Seal, Big Block, Chevy, Each

Part Number: DRT-31213395

Not Yet Reviewed

Estimated Ship Date: May 8, 2026 if ordered today

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Estimated Ship Date: May 8, 2026 if ordered today

Dart Big M2 Pro Series Big Block Chevy Cast Iron Bare Blocks 31223395

Bare Blocks, Dart Big M Series, Cast Iron,10.400 in. Deck Height, 4.250 in,Bore,4-Bolt Main,2-Piece Rear Main Seal, Big Block, Chevy, Each

Part Number: DRT-31223395

Not Yet Reviewed

Estimated Ship Date: May 8, 2026 if ordered today

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Estimated Ship Date: May 8, 2026 if ordered today

Dart Block Sleeves 32110131

Cylinder Sleeve, Cast Iron, 3.990 in. Bore I.D., 0.185 in. Wall Thickness, 6.100 in. Length, Each

Part Number: DRT-32110131

Not Yet Reviewed

Estimated Ship Date: May 8, 2026 if ordered today

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Estimated Ship Date: May 8, 2026 if ordered today

Dart Block Sleeves 32110233

ENGINE BLOCK SLEEVE

Part Number: DRT-32110233

Not Yet Reviewed

Estimated Ship Date: May 8, 2026 if ordered today

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Estimated Ship Date: May 8, 2026 if ordered today

Dart Block Sleeves 32140123

ENGINE BLOCK SLEEVE

Part Number: DRT-32140123

Not Yet Reviewed

Estimated Ship Date: May 8, 2026 if ordered today

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Estimated Ship Date: May 8, 2026 if ordered today

Dart Block Sleeves 32140131

Cylinder Sleeve, Cast Iron, 3.990 in. Bore I.D., 0.185 in. Wall Thickness, 5.575 in. Length, Each

Part Number: DRT-32140131

Not Yet Reviewed

Estimated Ship Date: May 8, 2026 if ordered today

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Estimated Ship Date: May 8, 2026 if ordered today

Dart Block Sleeves 32140132

ENGINE BLOCK SLEEVE

Part Number: DRT-32140132

Not Yet Reviewed

Estimated Ship Date: May 8, 2026 if ordered today

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Estimated Ship Date: May 8, 2026 if ordered today

Dart Block Sleeves 32140212

ENGINE BLOCK SLEEVE

Part Number: DRT-32140212

Not Yet Reviewed

Estimated Ship Date: May 8, 2026 if ordered today

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Estimated Ship Date: May 8, 2026 if ordered today

Dart Block Sleeves 32140213

ENGINE BLOCK SLEEVE

Part Number: DRT-32140213

Not Yet Reviewed

Estimated Ship Date: May 8, 2026 if ordered today

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Estimated Ship Date: May 8, 2026 if ordered today

Dart Big M2 Pro Series Big Block Chevy Cast Iron Bare Blocks 31223455

Bare Blocks, Dart Big M Sportsman Series, Cast Iron,10.200 in. Deck Height, 4.500 in,Bore,4-Bolt Main,2-Piece Rear Main Seal, Big Block, Chevy, Each

Part Number: DRT-31223455

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 Big M2 Pro Series Big Block Chevy Cast Iron Bare Blocks 31223695

Bare Blocks, Dart Big M Series, Cast Iron,10.400 in. Deck Height, 4.560 in,Bore,4-Bolt Main,2-Piece Rear Main Seal, Big Block, Chevy, Each

Part Number: DRT-31223695

Not Yet Reviewed

Estimated Ship Date: May 8, 2026 if ordered today

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Estimated Ship Date: May 8, 2026 if ordered today

Dart Block Sleeves 32160312

CYLINDER SLEEVE

Part Number: DRT-32160312

Not Yet Reviewed

Estimated Ship Date: May 8, 2026 if ordered today

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Estimated Ship Date: May 8, 2026 if ordered today

Dart Block Sleeves 32110121

Cylinder Sleeve, Cast Iron, 3.990 in. Bore I.D., 0.185 in. Wall Thickness, 5.925 in. Length, Each

Part Number: DRT-32110121

Not Yet Reviewed

Estimated Ship Date: May 8, 2026 if ordered today

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Estimated Ship Date: May 8, 2026 if ordered today