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ARP

ARP Main Stud Kits

4.81 out of 5 stars 387 Customer Reviews

ARP main stud kits help eliminate main cap walk/fretting and protect the threads in your engine block. They include studs made from 8740 chromoly steel and heat-treated in-house to 190,000 psi tensile-strength rating. The precision J-form threads are rolled after heat-treat for much stronger threads than the competition. Kits come complete with hardened parallel-ground washers and high-quality nuts. Add confidence in the strength of your engine build with the ARP main stud kit designed for your application.

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ARP Main Stud Kits 244-5400

Made in the USA ARP Main Stud Kits 244-5400

ARP Main Stud Kits 244-5400

Main Studs, Chromoly, Hex Head, 2-Bolt, Chrysler, Dodge, 5.7/6.1L, Kit

Part Number: ARP-244-5400

5.0 out of 5 stars ( 7 )

Estimated Ship Date: Monday 9/22/2025

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Estimated Ship Date: Monday 9/22/2025

ARP Main Stud Kits 134-5401

Made in the USA ARP Main Stud Kits 134-5401

ARP Main Stud Kits 134-5401

Main Studs, 2-Bolt Main, Large Journal, Chevy, Small Block, Kit

Part Number: ARP-134-5401

5.0 out of 5 stars ( 17 )

Estimated Ship Date: Monday 9/22/2025

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Estimated Ship Date: Monday 9/22/2025

ARP Main Stud Kits 135-5402

Made in the USA ARP Main Stud Kits 135-5402

ARP Main Stud Kits 135-5402

Main Studs, 2-Bolt Main, Chevy, Big Block, Kit

Part Number: ARP-135-5402

5.0 out of 5 stars ( 15 )

Estimated Ship Date: Monday 9/22/2025

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Estimated Ship Date: Monday 9/22/2025

ARP Main Stud Kits 194-5401

Made in the USA ARP Main Stud Kits 194-5401

ARP Main Stud Kits 194-5401

Main Studs, 2-Bolt Main, Pontiac V8, Kit

Part Number: ARP-194-5401

4.64 out of 5 stars ( 11 )

Estimated Ship Date: Monday 9/22/2025

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Estimated Ship Date: Monday 9/22/2025

ARP Main Stud Kits 154-5407

Made in the USA ARP Main Stud Kits 154-5407

ARP Main Stud Kits 154-5407

Main Studs, 2-Bolt Main, Ford, 302, Kit

Part Number: ARP-154-5407

4.67 out of 5 stars ( 6 )

Estimated Ship Date: Monday 9/22/2025

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Estimated Ship Date: Monday 9/22/2025

ARP Main Stud Kits 154-5409

Made in the USA ARP Main Stud Kits 154-5409

ARP Main Stud Kits 154-5409

Main Studs, 2-Bolt Main, Dual or Rear Sump Oil Pan, Ford, 351W, Kit

Part Number: ARP-154-5409

5.0 out of 5 stars ( 5 )

Estimated Ship Date: Monday 9/22/2025

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Estimated Ship Date: Monday 9/22/2025

ARP Main Stud Kits 140-5402

Made in the USA ARP Main Stud Kits 140-5402

ARP Main Stud Kits 140-5402

Main Studs, 2-Bolt Main, 12-Point Nuts, Mopar, Small, Big Block, B, RB, LA, Kit

Part Number: ARP-140-5402

4.75 out of 5 stars ( 8 )

Estimated Ship Date: Monday 9/22/2025

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Estimated Ship Date: Monday 9/22/2025

ARP Main Stud Kits 240-5501

Made in the USA ARP Main Stud Kits 240-5501

ARP Main Stud Kits 240-5501

Main Studs, 2-Bolt Main, Work with Windage Tray, Chrysler, Small Block, Kit

Part Number: ARP-240-5501

4.0 out of 5 stars ( 5 )

Estimated Ship Date: Monday 9/22/2025

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Estimated Ship Date: Monday 9/22/2025

ARP Main Stud Kits 156-5401

Made in the USA ARP Main Stud Kits 156-5401

ARP Main Stud Kits 156-5401

Main Studs, 2-Bolt Main, Ford, 4.6L, SOHC, Kit

Part Number: ARP-156-5401

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Monday 9/22/2025

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Estimated Ship Date: Monday 9/22/2025

ARP Main Stud Kits 155-5402

Made in the USA ARP Main Stud Kits 155-5402

ARP Main Stud Kits 155-5402

Main Studs, 2-Bolt Main, Ford, 429, 460, Kit

Part Number: ARP-155-5402

5.0 out of 5 stars ( 5 )

Estimated Ship Date: Monday 9/22/2025

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Estimated Ship Date: Monday 9/22/2025

ARP Main Stud Kits 234-5501

Made in the USA ARP Main Stud Kits 234-5501

ARP Main Stud Kits 234-5501

Main Studs, 2-Bolt Main, Large Journal, Chevy, Small Block, with Windage Tray, Kit

Part Number: ARP-234-5501

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Monday 9/22/2025

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Estimated Ship Date: Monday 9/22/2025

ARP Main Stud Kits 140-5401

Made in the USA ARP Main Stud Kits 140-5401

ARP Main Stud Kits 140-5401

Main Studs, 2-Bolt Main, Mopar, Small, Big Block, B, LA, RB, Kit

Part Number: ARP-140-5401

4.33 out of 5 stars ( 3 )

Estimated Ship Date: Monday 9/22/2025

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Estimated Ship Date: Monday 9/22/2025

ARP Main Stud Kits 203-5405

Made in the USA ARP Main Stud Kits 203-5405

ARP Main Stud Kits 203-5405

Main Studs, 2-Bolt Main, Toyota, 3.0L, 2JZGE, Kit

Part Number: ARP-203-5405

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Monday 9/22/2025

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Estimated Ship Date: Monday 9/22/2025

ARP Main Stud Kits 201-5000

Made in the USA ARP Main Stud Kits 201-5000

ARP Main Stud Kits 201-5000

Main Studs, 2-Bolt, BMW, 2.5, 2.8, 3.0, L6, Kit

Part Number: ARP-201-5000

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 9/22/2025

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Estimated Ship Date: Monday 9/22/2025

ARP Main Stud Kits 165-5401

Made in the USA ARP Main Stud Kits 165-5401

ARP Main Stud Kits 165-5401

Main Studs, Hex Nuts, Saturn, 1.9L, Kit

Part Number: ARP-165-5401

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 9/22/2025

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Estimated Ship Date: Monday 9/22/2025

ARP Main Stud Kits 155-5404

Made in the USA ARP Main Stud Kits 155-5404

ARP Main Stud Kits 155-5404

Main Studs, Hex, Chromoly, 2-Bolt Main, Ford, Big Block FE, Kit

Part Number: ARP-155-5404

4.67 out of 5 stars ( 6 )

Estimated Ship Date: Monday 9/22/2025

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Estimated Ship Date: Monday 9/22/2025

ARP Main Stud Kits 254-5501

Made in the USA ARP Main Stud Kits 254-5501

ARP Main Stud Kits 254-5501

Main Studs, 2-Bolt Main, with Windage Tray, Ford, 289, 302, Kit

Part Number: ARP-254-5501

4.67 out of 5 stars ( 3 )

Estimated Ship Date: Monday 9/22/2025

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Estimated Ship Date: Monday 9/22/2025

ARP Main Stud Kits 235-5502

Made in the USA ARP Main Stud Kits 235-5502

ARP Main Stud Kits 235-5502

Main Studs, 2-Bolt Main, For Windage Trays, Chevy, Big Block, Kit

Part Number: ARP-235-5502

5.0 out of 5 stars ( 9 )

Estimated Ship Date: Monday 9/22/2025

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Estimated Ship Date: Monday 9/22/2025

ARP Main Stud Kits 247-5402

Made in the USA ARP Main Stud Kits 247-5402

ARP Main Stud Kits 247-5402

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

Part Number: ARP-247-5402

Not Yet Reviewed

Estimated Ship Date: Monday 9/22/2025

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Estimated Ship Date: Monday 9/22/2025

ARP Main Stud Kits 156-5202

Made in the USA ARP Main Stud Kits 156-5202

ARP Main Stud Kits 156-5202

Main Studs, Side Bolts, 12-Point Head, Ford, 4.6L, Kit

Part Number: ARP-156-5202

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 9/22/2025

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Estimated Ship Date: Monday 9/22/2025

ARP Main Stud Kits 154-5503

Made in the USA ARP Main Stud Kits 154-5503

ARP Main Stud Kits 154-5503

Main Studs, 2-Bolt Main, for use with Windage Tray, Front Sump, Ford, 351W, Kit

Part Number: ARP-154-5503

4.33 out of 5 stars ( 3 )

Estimated Ship Date: Monday 9/22/2025

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Estimated Ship Date: Monday 9/22/2025

ARP Main Stud Kits 185-5401

Made in the USA ARP Main Stud Kits 185-5401

ARP Main Stud Kits 185-5401

Main Studs, 2-Bolt Main, Oldsmobile, 455, Kit

Part Number: ARP-185-5401

4.67 out of 5 stars ( 3 )

Estimated Ship Date: Monday 9/22/2025

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Estimated Ship Date: Monday 9/22/2025

ARP Main Stud Kits 154-5404

Made in the USA ARP Main Stud Kits 154-5404

ARP Main Stud Kits 154-5404

Main Studs, 2-Bolt Main, Ford, 351C, Kit

Part Number: ARP-154-5404

5.0 out of 5 stars ( 9 )

Estimated Ship Date: Monday 9/22/2025

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Estimated Ship Date: Monday 9/22/2025

ARP Main Stud Kits 255-5502

Made in the USA ARP Main Stud Kits 255-5502

ARP Main Stud Kits 255-5502

Main Studs, 2-Bolt Main, Used with Windage Tray, Ford, 429, 460, Kit

Part Number: ARP-255-5502

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Monday 9/22/2025

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Estimated Ship Date: Monday 9/22/2025

ARP Main Stud Kits 154-5408

Made in the USA ARP Main Stud Kits 154-5408

ARP Main Stud Kits 154-5408

Main Studs, 2-Bolt Main, Ford, 289, 302, Kit

Part Number: ARP-154-5408

4.78 out of 5 stars ( 9 )

Estimated Ship Date: Monday 9/22/2025

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Estimated Ship Date: Monday 9/22/2025

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