Milodon Main Caps

4.7 out of 5 stars 20 Customer Reviews

Milodon aftermarket main bearing caps not only strengthen factory 2-bolt blocks, but they will also add a measurable degree of strength to 4-bolt blocks. They are m

Milodon aftermarket main bearing caps not only strengthen factory 2-bolt blocks, but they will also add a measurable degree of strength to 4-bolt blocks. They are made from precision-machined, high-strength steel, which has the proper balance of strength and flexibility to allow for the transfer of increased shock loads to the crank and bearings. The secret is in the side bolts. They are angled so that they pull from the side walls of the block and not from the flimsy main web area. They'll also load the cap against the register step, which will prevent dreaded "cap walk." They can be installed by anyone with a hand

Results 1 - 25 of 28

Milodon Main Caps 11310

Milodon Main Caps 11310

Main Caps, Ductile Iron, 3-Center, Angled Outer Bolts, 4-Bolt, Chrysler, Dodge, Plymouth, 360, Set

Part Number: MIL-11310

Not Yet Reviewed

Estimated Ship Date: Monday 11/10/2025

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Estimated Ship Date: Monday 11/10/2025

Milodon Main Caps 11450

Main Caps, Ductile Iron, 3-Center, Angled Outer Bolts, 4-Bolt, Ford, Big Block, 385 Series, Set

Part Number: MIL-11450

5.0 out of 5 stars ( 1 )

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Milodon Main Caps 11160

Main Caps, Ductile Iron, 3-Center, Angled Outer Bolts, 4-Bolt, Chevy, Small Block, Set

Part Number: MIL-11160

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Feb 5, 2026 if ordered today

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Estimated Ship Date: Feb 5, 2026 if ordered today

Milodon Main Caps 11050

Main Caps, Ductile Iron, 3-Center, Angled Outer Bolts, 4-Bolt, Chevy, Small Block, Set

Part Number: MIL-11050

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Feb 4, 2026 if ordered today

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Estimated Ship Date: Feb 4, 2026 if ordered today

Milodon Main Caps 11150

Main Caps, Ductile Iron, 3-Center, Angled Outer Bolts, 4-Bolt, Large Journal, Chevy, Small Block, Set

Part Number: MIL-11150

4.5 out of 5 stars ( 4 )

Estimated Ship Date: Feb 5, 2026 if ordered today

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Estimated Ship Date: Feb 5, 2026 if ordered today

Milodon Main Caps 11300

Main Caps, Ductile Iron, 3-Center, Angled Outer Bolts, 4-Bolt, Mopar, Small Block LA, 5.2/5.6L, Set

Part Number: MIL-11300

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 11/10/2025

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Estimated Ship Date: Monday 11/10/2025

Milodon Main Caps 11180

Main Caps, Ductile Iron, 3-Center, Angled Outer Bolts, 4-Bolt, 400 Main, Chevy, Small Block, Set

Part Number: MIL-11180

5.0 out of 5 stars ( 6 )

Estimated Ship Date: Feb 5, 2026 if ordered today

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Estimated Ship Date: Feb 5, 2026 if ordered today

Milodon Main Caps 11053

Main Cap, Ductile Iron, Front, Angled Outer Bolts, 4-Bolt, Chevy, Small Block, Each

Part Number: MIL-11053

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Feb 5, 2026 if ordered today

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Estimated Ship Date: Feb 5, 2026 if ordered today

Milodon Main Caps 11440

Main Caps, Ductile Iron, 3-Center, Angled Outer Bolts, 4-Bolt, Ford, 351C, Set

Part Number: MIL-11440

Not Yet Reviewed

Estimated Ship Date: Feb 5, 2026 if ordered today

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Estimated Ship Date: Feb 5, 2026 if ordered today

Milodon Main Caps 11153

Main Cap, Ductile Iron, Front, Straight Outer Bolts, 2-Bolt, Large Journal, Chevy, Small Block, Each

Part Number: MIL-11153

Not Yet Reviewed

Estimated Ship Date: Feb 5, 2026 if ordered today

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Estimated Ship Date: Feb 5, 2026 if ordered today

Milodon Main Caps 11165

Main Caps, Ductile Iron, 3-Center, Straight Outer Bolts, 4-Bolt, Chevy, Small Block, Set

Part Number: MIL-11165

Not Yet Reviewed

Estimated Ship Date: Feb 5, 2026 if ordered today

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Estimated Ship Date: Feb 5, 2026 if ordered today

Milodon Main Caps 11350

Main Caps, Ductile Iron, 3-Center, Angled Outer Bolts, 4-Bolt, Chrysler, Dodge, 392 Hemi, Set

Part Number: MIL-11350

2.0 out of 5 stars ( 1 )

Estimated Ship Date: Feb 5, 2026 if ordered today

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Estimated Ship Date: Feb 5, 2026 if ordered today

Milodon Main Caps 11520

Main Caps, Ductile Iron, 3-Center, Angled Outer Bolts, 4-Bolt, Pontiac, 421, 428, 455, Set

Part Number: MIL-11520

Not Yet Reviewed

Estimated Ship Date: Feb 5, 2026 if ordered today

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Estimated Ship Date: Feb 5, 2026 if ordered today

Milodon Main Caps 11361

Main Caps, 3-center, Straight, 2-bolt, Ductile Iron, Chrysler, Dodge, Plymouth, 383, 400, Set

Part Number: MIL-11361

Not Yet Reviewed

Estimated Ship Date: Feb 4, 2026 if ordered today

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Estimated Ship Date: Feb 4, 2026 if ordered today

Milodon Main Caps 11362

Main Caps, 5-cap Set Position, Straight, 2-bolt, Ductile Iron, Chrysler, Dodge, Plymouth, 383, 400, Set

Part Number: MIL-11362

Not Yet Reviewed

Estimated Ship Date: Feb 4, 2026 if ordered today

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Estimated Ship Date: Feb 4, 2026 if ordered today

Milodon Main Caps 11190

Main Caps, Ductile Iron, 3-Center, Angled Outer Bolts, 4-Bolt, Chevy, Small Block, 7.245 Wide, Set

Part Number: MIL-11190

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Feb 4, 2026 if ordered today

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Estimated Ship Date: Feb 4, 2026 if ordered today

Milodon Main Caps 11200

Main Caps, Ductile Iron, 3-Center, Angled Outer Bolts, 4-Bolt, Chevy, Big Block, Set

Part Number: MIL-11200

5.0 out of 5 stars ( 2 )

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Milodon Main Caps 11360

Main Caps, Ductile Iron, 3-Center, Straight, 2-Bolt, Chrysler, Dodge, Plymouth, 426, 440, Set

Part Number: MIL-11360

Not Yet Reviewed

Estimated Ship Date: Feb 4, 2026 if ordered today

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Estimated Ship Date: Feb 4, 2026 if ordered today

Milodon Main Caps 11420

Main Caps, Ductile Iron, 3-Center, Angled Outer Bolts, 4-Bolt, Ford, 351W, Set

Part Number: MIL-11420

Not Yet Reviewed

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Milodon Main Caps 11570

Main Caps, Angled Side Bolt, Ductile Iron, CNC Machined, Holden, V8, Kit

Part Number: MIL-11570

Not Yet Reviewed

Estimated Ship Date: Feb 4, 2026 if ordered today

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Estimated Ship Date: Feb 4, 2026 if ordered today

Milodon Main Caps 11320

Main Caps, Ductile Iron, 3-Center, Angled Outer Bolts, 4-Bolt, Chrysler, Dodge, 354 Hemi, Set

Part Number: MIL-11320

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Feb 4, 2026 if ordered today

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Estimated Ship Date: Feb 4, 2026 if ordered today

Milodon Main Caps 11365

Main Caps, Ductile Iron, 5-Cap Set, Straight, 2-Bolt, Chrysler, Dodge, Plymouth, 426-440, Set

Part Number: MIL-11365

Not Yet Reviewed

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Milodon Main Caps 11205

Main Caps, Ductile Iron, 3-Center, Straight Outer Bolts, 4-Bolt, Chevy, Big Block, Set

Part Number: MIL-11205

Not Yet Reviewed

Estimated Ship Date: Feb 4, 2026 if ordered today

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Estimated Ship Date: Feb 4, 2026 if ordered today

Milodon Main Caps 11500

Main Caps, Ductile Iron, 3-Center, Straight, 4-Bolt, Pontiac, 421, 428, 455, Set

Part Number: MIL-11500

Not Yet Reviewed

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Milodon Main Caps 11506

Main Caps, Front Position, Straight, 4-bolt, Ductile Iron, Pontiac, 350, 389, 400, Each

Part Number: MIL-11506

Not Yet Reviewed

Estimated Ship Date: Feb 4, 2026 if ordered today

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Estimated Ship Date: Feb 4, 2026 if ordered today

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