Engine Blocks & Parts | Summit Racing

Milodon Main Stud Kits 81205

Milodon Main Stud Kits 81205

Main Studs, 2-Bolt, Dodge, Plymouth, 426 Hemi, Kit

Part Number: MIL-81205

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

Dart Big M2 Big Block Chevy Cast Iron Bare Blocks 31213654

Bare Blocks, Dart Big M Series, Cast Iron, 10.200 in. Deck Height, 4.600 in. Bore, 4-Bolt Main, 2-Piece Rear Main Seal, Big Block, Chevy, Each

Part Number: DRT-31213654

Not Yet Reviewed

Estimated Ship Date: Apr 3, 2026 if ordered today

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Estimated Ship Date: Apr 3, 2026 if ordered today

Dart Iron Eagle Small Block Ford Cast Iron Bare Blocks 31395235

Engine Block, Iron Eagle, Gen 2, Iron Block, 4 Bolt Mains, 351W, 9.500 in. Deck Height, 4.125 in. Bore, Ford, Each

Part Number: DRT-31395235

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 Little M2 Small Block Chevy Cast Iron Bare Blocks 31181111

Bare Blocks, Dart Little M Series, Cast Iron, 9.025 in. Deck Height, 4.000 in. Bore, 4-Bolt Main, 2-Piece Rear Main Seal, Small Block, Chevy, Each

Part Number: DRT-31181111

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 BPP12110342

Engine Block SBF 302, SIAM, 8.200 x 4.000, CAST MC

Part Number: MLL-BPP12110342

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 Little M2 Small Block Chevy Cast Iron Bare Blocks 31182215

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-31182215

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 31223655

Bare Blocks, Dart Big M Sportsman Series, Cast Iron,10.200 in. Deck Height, 4.600 in,Bore,4-Bolt Main,2-Piece Rear Main Seal, Big Block, Chevy, Each

Part Number: DRT-31223655

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 Little M2 Small Block Chevy Cast Iron Bare Blocks 31181215

Bare Blocks, Dart Little M Series, Cast Iron, 9.025 in. Deck Height, 4.000 in. Bore, 4-Bolt Main, 2-Piece Rear Main Seal, Small Block, Chevy, Each

Part Number: DRT-31181215

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 Little M2 Small Block Chevy Cast Iron Bare Blocks 31191111

Bare Blocks, Dart Little M Series, Cast Iron, 9.025 in. Deck Height, 4.000 in. Bore, 4-Bolt Main, 2-Piece Rear Main Seal, Small Block, Chevy, Each

Part Number: DRT-31191111

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 Big M2 Big Block Chevy Cast Iron Bare Blocks 31213544

Bare Blocks, Dart Big M Series, Cast Iron, 9.800 in. Deck Height, 4.550 in. Bore, 4-Bolt Main, 2-Piece Rear Main Seal, Big Block, Chevy, Each

Part Number: DRT-31213544

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 31121221

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

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 31213595

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-31213595

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 81169

Main Studs, 4-Bolt, Ford, 351C, with Milodon Caps, Kit

Part Number: MIL-81169

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 81135

Main Studs, Straight 4-Bolt Main, Chevy, Big Block, Kit

Part Number: MIL-81135

Not Yet Reviewed

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 135-5201

4.25 out of 5 stars ( 6 )

Estimated Ship Date: Tomorrow

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Dart Iron Eagle Small Block Ford Cast Iron Bare Blocks 31394175

Engine Block, Cast Iron, Iron Eagle, 4-Bolt Mains, 8.200 in. Deck Height, 4.00 Cylinder Bore, 302 Windsor, Each

Part Number: DRT-31394175

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 Little M2 Small Block Chevy Cast Iron Bare Blocks 31182235

Bare Blocks, Dart Little M Series, Cast Iron, 9.500 in. Deck Height, 4.125 in. Bore, 4-Bolt Main, 2-Piece Rear Main Seal, Small Block, Chevy, Each

Part Number: DRT-31182235

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 31213455

Bare Blocks, Dart Big M 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-31213455

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 Block Sleeves 32110221

Cylinder Sleeve, Cast Iron, 4.115 in. Bore I.D., 0.185 in. Wall Thickness, 5.925 in. Length, Each

Part Number: DRT-32110221

Not Yet Reviewed

Estimated Ship Date: May 12, 2026 if ordered today

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Estimated Ship Date: May 12, 2026 if ordered today

Dart Little M2 Small Block Chevy Cast Iron Bare Blocks 31192211

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-31192211

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 Little M2 Small Block Chevy Cast Iron Bare Blocks 31181225

Bare Blocks, Dart Little M Series, Cast Iron, 9.325 in. Deck Height, 4.125 in. Bore, 4-Bolt Main, 2-Piece Rear Main Seal, Small Block, Chevy, Each

Part Number: DRT-31181225

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

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 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

Ford Performance Parts 1.6L Lotus Cylinder Blocks M-6010-16L

Engine Block, Cast Iron, OEM Type Mains, 3.226 in. Bore, 7.900 in. Deck Height, Ford, Lotus 1.6L, Each

Part Number: FMS-M-6010-16L

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Apr 13, 2026 if ordered today

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Estimated Ship Date: Apr 13, 2026 if ordered today

Milodon Main Stud Kits 81170

Main Studs, 4-Bolt, Ford, 351C, with Milodon Caps, Windage Tray, Kit

Part Number: MIL-81170

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

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