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Main Cap Fasteners
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Main Bearing Cap Bolts

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For Use with Stud Girdle
- No (123)
- Yes (2)
Works with Windage Tray
- No (107)
- Yes (18)
Fastener Tensile Strength (psi)
- 190,000 psi (101) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
- 180,000 psi (17) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
- 220,000 psi (2) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
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- No (20)
Washers Included
- Yes (118)
- No (7)
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Main Bearing Cap Bolts

The main caps secure the bearings that hold your crankshaft in place. Different engine designs (SBF, BBF, SBC, BBC, LS, Coyote, etc.) use different quantities of main...

The main caps secure the bearings that hold your crankshaft in place. Different engine designs (SBF, BBF, SBC, BBC, LS, Coyote, etc.) use different quantities of main caps, and those caps are held down by main bearing cap bolts. In addition, 2-bolt main caps are common, but 4-bolt mains and 6-bolt mains may be used in high-powered engines for extra strength. Whether you need complete sets of studs and cross-bolts for a new engine build, or just partial sets for upgrades and repairs, you can find the main cap fasteners you need at Summit Racing Equipment.

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Shop at Summit to get fastener kits from ARP, Dorman,...

The main caps secure the bearings that hold your crankshaft in place. Different engine designs (SBF, BBF, SBC, BBC, LS, Coyote, etc.) use different quantities of main caps, and those caps are held down by main bearing cap bolts. In addition, 2-bolt main caps are common, but 4-bolt mains and 6-bolt mains may be used in high-powered engines for extra strength. Whether you need complete sets of studs and cross-bolts for a new engine build, or just partial sets for upgrades and repairs, you can find the main cap fasteners you need at Summit Racing Equipment.

Top Brands

Shop at Summit to get fastener kits from ARP, Dorman, Trick Flow, Chevy Performance, Ford Performance Parts, and more.

Showing In Stock Items. Show All 272 Items.

Individual Parts

Part Groups

Results 1 - 25 of 131

ARP Main Stud Kits 234-5608

Made in the USA

ARP Main Stud Kits 234-5608

ARP Main Stud Kits 234-5608

Main Studs, 6-Bolt Main, Chevrolet, 4.8, 5.3, 5.7, 6.0L, Kit

Part Number: ARP-234-5608

4.91 out of 5 stars ( 67 )

Estimated Ship Date: Today

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ARP High Performance Series Main Bolts 134-5202

Made in the USA

ARP High Performance Series Main Bolts 134-5202

ARP High Performance Series Main Bolts 134-5202

Main Bolts, High Performance Series, 4-Bolt Main, Large Journal, Chevy, Small Block, Kit

Part Number: ARP-134-5202

4.97 out of 5 stars ( 37 )

Estimated Ship Date: Today

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ARP Main Stud Kits 234-5802

Made in the USA

ARP Main Stud Kits 234-5802

ARP Main Stud Kits 234-5802

Main Studs, 4-Bolt Main, Chevy, 6.2L, Kit

Part Number: ARP-234-5802

Not Yet Reviewed

Estimated Ship Date: Today

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ARP Main Stud Kits 134-5601

Made in the USA

ARP Main Stud Kits 134-5601

ARP Main Stud Kits 134-5601

Main Studs, 4-Bolt Main, Large Journal, Chevy, Small Block, Kit

Part Number: ARP-134-5601

4.96 out of 5 stars ( 26 )

Estimated Ship Date: Today

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Estimated Ship Date: Today

ARP High Performance Series Main Bolts 134-5001

Made in the USA

ARP High Performance Series Main Bolts 134-5001

ARP High Performance Series Main Bolts 134-5001

Main Bolts, High Performance Series, 2-Bolt Main, Large Journal, Chevy, Small Block, Kit

Part Number: ARP-134-5001

4.86 out of 5 stars ( 35 )

Estimated Ship Date: Today

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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: Today

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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: Today

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ARP High Performance Series Main Bolts 154-5001

Made in the USA

ARP High Performance Series Main Bolts 154-5001

ARP High Performance Series Main Bolts 154-5001

Main Bolts, High Performance Series, 2-Bolt Main, Ford, 289-302, Small Block, Kit

Part Number: ARP-154-5001

4.94 out of 5 stars ( 33 )

Estimated Ship Date: Today

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Estimated Ship Date: Today

ARP Main Stud Kits 135-5601

Made in the USA

ARP Main Stud Kits 135-5601

ARP Main Stud Kits 135-5601

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

Part Number: ARP-135-5601

5.0 out of 5 stars ( 8 )

Estimated Ship Date: Today

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Estimated Ship Date: Today

ARP High Performance Series Main Bolts 135-5002

Made in the USA

ARP High Performance Series Main Bolts 135-5002

ARP High Performance Series Main Bolts 135-5002

Main Bolts, High Performance Series, 2-Bolt Main, Chevy, Big Block, Kit

Part Number: ARP-135-5002

5.0 out of 5 stars ( 16 )

Estimated Ship Date: Today

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Estimated Ship Date: Today

ARP Main Stud Kits 156-5803

Made in the USA

ARP Main Stud Kits 156-5803

ARP Main Stud Kits 156-5803

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: Today

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Estimated Ship Date: Today

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: Today

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Estimated Ship Date: Today

ARP High Performance Series Main Bolts 135-5201

Made in the USA

ARP High Performance Series Main Bolts 135-5201

ARP High Performance Series Main Bolts 135-5201

Main Bolts, High Performance Series, 4-Bolt Main, Chevy, Big Block, Kit

Part Number: ARP-135-5201

4.33 out of 5 stars ( 6 )

Estimated Ship Date: Today

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Estimated Ship Date: Today

ARP Main Stud Kits 156-5802

Made in the USA

ARP Main Stud Kits 156-5802

ARP Main Stud Kits 156-5802

Main Studs, 4-Bolt Main, Ford, 4.6/5.4L, 2V/3V/4V Without Windage Tray, Kit

Part Number: ARP-156-5802

4.5 out of 5 stars ( 6 )

Estimated Ship Date: Today

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Estimated Ship Date: Today

ARP Main Stud Kits 235-5701

Made in the USA

ARP Main Stud Kits 235-5701

ARP Main Stud Kits 235-5701

Main Studs, 4-Bolt Main, For Windage Trays, Chevy, Big Block, Kit

Part Number: ARP-235-5701

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Today

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Estimated Ship Date: Today

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: Today

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Estimated Ship Date: Today

ARP High Performance Series Main Bolts 154-5003

Made in the USA

ARP High Performance Series Main Bolts 154-5003

ARP High Performance Series Main Bolts 154-5003

Main Bolts, High Performance Series, 2-Bolt Main, Ford, Small Block, 351W, Kit

Part Number: ARP-154-5003

5.0 out of 5 stars ( 11 )

Estimated Ship Date: Today

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Estimated Ship Date: Today

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: Today

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Estimated Ship Date: Today

ARP High Performance Series Main Bolts 155-5203

ARP High Performance Series Main Bolts 155-5203

ARP High Performance Series Main Bolts 155-5203

Main Bolts, High Performance Series, 2-Bolt Main, Ford, Big Block, Front or Rear Sump, Kit

Part Number: ARP-155-5203

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Estimated Ship Date: Today

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: Today

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Estimated Ship Date: Today

ARP Main Stud Kits 156-5002

Made in the USA

ARP Main Stud Kits 156-5002

ARP Main Stud Kits 156-5002

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

Part Number: ARP-156-5002

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Today

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ARP High Performance Series Main Bolts 154-5004

Made in the USA

ARP High Performance Series Main Bolts 154-5004

ARP High Performance Series Main Bolts 154-5004

Main Bolts, High Performance Series, 2-Bolt Main, Ford, 351C, 351M, 400, Kit

Part Number: ARP-154-5004

5.0 out of 5 stars ( 6 )

Estimated Ship Date: Today

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Estimated Ship Date: Today

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: Today

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Estimated Ship Date: Today

ARP Main Stud Kits 154-5401

Made in the USA

ARP Main Stud Kits 154-5401

ARP Main Stud Kits 154-5401

Main Studs, 2-Bolt Main, Ford, 221-302, Small Block, Kit

Part Number: ARP-154-5401

4.9 out of 5 stars ( 20 )

Estimated Ship Date: Today

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Estimated Ship Date: Today

ARP Pro Series Main Bolts 140-5003

Made in the USA

ARP Pro Series Main Bolts 140-5003

ARP Pro Series Main Bolts 140-5003

Main Cap Bolts, Pro Series, Chrysler 273-440 Wedge, Hex Head, kit

Part Number: ARP-140-5003

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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