Main Cap Fasteners

Main Studs, 6-Bolt Main, Ford, 5.0L, Modular, Coyote Engine, Kit

Part Number: ARP-156-5803

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Monday 2/9/2026

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

Part Number: ARP-135-5901

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 2/9/2026

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

Part Number: ARP-150-5801

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Estimated Ship Date: Monday 2/9/2026

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Main Studs, 12-Point, Chromoly, Black Oxide, Ford, Powerstroke Diesel, Kit

Part Number: SUM-910518

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Estimated Ship Date: Monday 2/9/2026

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Main Studs, 4-Bolt Main, Chevy, Diesel, 6.2/6.5L, Kit

Part Number: GFN-MSK6265

3.0 out of 5 stars ( 1 )

Estimated Ship Date: Feb 23, 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: Apr 13, 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: Feb 23, 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: Feb 23, 2026 if ordered today

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

Part Number: GFN-MSK73-G1

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Estimated Ship Date: Feb 23, 2026 if ordered today

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BB ChevyMerlin with Windage Tray Main Studs

Part Number: MIL-81136

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Estimated Ship Date: May 5, 2026 if ordered today

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BTR 4 TO 6 BOLT CONVERSION FOR DART BLOCKS

Part Number: BTC-BTR426D

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Estimated Ship Date: Feb 24, 2026 if ordered today

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Main Studs, 4-Bolt Main, Merlin IV, Billet Main Caps, Chevy, Big Block, Kit

Part Number: WRL-701416

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Estimated Ship Date: Mar 11, 2026 if ordered today

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MAIN CAP STUD KIT, FORD Powerstroke, 6.4L, 2008-2010, Custom-4140 Alloy Steel, 200,000 PSI

Part Number: PQX-1000308

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Estimated Ship Date: Apr 13, 2026 if ordered today

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Main Cap Studs, 4140 Studs, Parallel Ground Washers, 12-Point Nuts, 2-Bolt Mains, 5.9L, 12V, L6, Cummins, Diesel, Dodge, Kit

Part Number: PQX-1000311

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Estimated Ship Date: Apr 13, 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: Apr 13, 2026 if ordered today

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Main Cap Studs, 4140 Studs, Parallel Ground Washers, 12-Point Nuts, 4-Bolt Mains, 6.0L, V8, Powerstroke, Diesel, Ford, Kit

Part Number: PQX-1000306

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Estimated Ship Date: Apr 13, 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: Feb 23, 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: Feb 23, 2026 if ordered today

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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: Feb 23, 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: Feb 23, 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: Feb 23, 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: Feb 23, 2026 if ordered today

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