Engine Blocks & Accessories

Main Studs, 4-Bolt Main, Chevy, Big Block, Gen VII, Kit

Part Number: ARP-135-5901

5.0 out of 5 stars ( 1 )

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Main Cap Girdle, Stroker Clearanced, Laser Cut 1/2 in. Steel, with Hardware, Steel, Black Oxide, Ford, 289/302, Kit

Part Number: CTR-21-060

3.67 out of 5 stars ( 6 )

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Main Cap Girdle, Steel, Black Oxide, Ford, 351W, Kit

Part Number: CTR-21-062

2.6 out of 5 stars ( 5 )

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

Part Number: MIL-11310

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Main Studs, Chromoly, Hex Head, 2-Bolt, Dodge, Cummins Diesel, 5.9L, 12V, Kit

Part Number: ARP-247-5402

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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 )

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Main Studs, Chromoly, Hex Head, 2-Bolt, Dodge, Cummins Diesel, 5.9L, Kit

Part Number: ARP-247-5401

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Main Cap Girdle, Steel, Black Oxide, Ford, 429/460, Kit

Part Number: CTR-21-066

4.43 out of 5 stars ( 7 )

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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 )

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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: Jul 20, 2026 if ordered today

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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 )

Estimated Ship Date: Jul 20, 2026 if ordered today

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Main Studs, 2-Bolt Main, Chevrolet, Duramax, 6.6L, LBM, LMM, Kit

Part Number: GFN-MSK66ZM

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Estimated Ship Date: May 6, 2026 if ordered today

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Main Studs, SCM-4140 Alloy Steel, 12-Point, 2-Bolt, Chevy, 6.6L, Duramax Diesel, LBZ/LMM, Kit

Part Number: PQX-1000323

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Estimated Ship Date: Jun 23, 2026 if ordered today

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Main Studs, SCM-4140 Alloy Steel, 12-Point, Chevy, 6.6L, Duramax Diesel, LB7, LLY, Kit

Part Number: PQX-1000321

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Estimated Ship Date: Jun 23, 2026 if ordered today

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

Part Number: MIL-11420

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Main Studs, 4-Bolt Main, Ford, Powerstroke, 6.0L, Kit

Part Number: GFN-MSK60

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Estimated Ship Date: May 6, 2026 if ordered today

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Main Studs, 2-Bolt Main, Cummins, 5.9L, Kit

Part Number: GFN-MSK5912

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Estimated Ship Date: May 6, 2026 if ordered today

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

Part Number: MIL-11360

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Estimated Ship Date: Jul 20, 2026 if ordered today

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Heavy Duty Main Stud Kit for Ford (1994-03) 7.3L Power Stroke Diesel

Part Number: GFN-MSK73

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Estimated Ship Date: May 6, 2026 if ordered today

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Main Studs, 2-Bolt Main, Chevrolet, Duramax, 6.6L, LLY, Kit

Part Number: GFN-MSK667Y

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Estimated Ship Date: May 6, 2026 if ordered today

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Heavy Duty Main Stud Kit for Dodge (2003-07) 5.9L Common Rail Cummins Diesel w/ Factory Girdle

Part Number: GFN-MSK59CR

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Estimated Ship Date: May 5, 2026 if ordered today

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Main Studs, 2-Bolt Main, Cummins, 5.9L, Kit

Part Number: GFN-MSK5924

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Estimated Ship Date: May 6, 2026 if ordered today

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Main Studs, 4-Bolt Main, Ford, Powerstroke, 6.4L, Kit

Part Number: GFN-MSK64

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Estimated Ship Date: May 5, 2026 if ordered today

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

Part Number: MIL-11165

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Estimated Ship Date: Jul 20, 2026 if ordered today

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