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Main Bearing Cap Bolts

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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.

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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 ( 66 )

Estimated Ship Date: Today

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Summit Racing™ Extreme Duty Main Studs SUM-910500

Summit Racing™ Extreme Duty Main Studs SUM-910500

Summit Racing™ Extreme Duty Main Studs SUM-910500

Main Studs, 12-Point, Chromoly, Black Oxide, 6-bolt, Chevy, LS, Kit

Part Number: SUM-910500

5.0 out of 5 stars ( 3 )

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

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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 )

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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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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

5.0 out of 5 stars ( 30 )

Estimated Ship Date: Today

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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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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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Chevrolet Performance Main Cap Fasteners 12560273

Chevrolet Performance Main Cap Fasteners 12560273

Chevrolet Performance Main Cap Fasteners 12560273

Main Bolts, Outer Bolts, With Windage Tray, Chevy, LS, Each

Part Number: NAL-12560273

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Today

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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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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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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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Summit Racing™ LS Main Cap Bolt Kits SUM-910229-3

Made in the USA Summit Racing™ LS Main Cap Bolt Kits SUM-910229-3

Summit Racing™ LS Main Cap Bolt Kits SUM-910229-3

Main Bolts, Side Bolts Only, 6-bolt Style, Hex, Chevy, LS, Set of 10

Part Number: SUM-910229-3

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

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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: Today

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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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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: Today

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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 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: Today

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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: Today

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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: Today

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ARP Main Stud Kits 156-5901

Made in the USA ARP Main Stud Kits 156-5901

ARP Main Stud Kits 156-5901

Main Studs, 4-Bolt Main, Ford, 4.6/5.4L, 3V, for use with Windage Tray, Kit

Part Number: ARP-156-5901

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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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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ARP Main Stud Kits 134-5901

Made in the USA ARP Main Stud Kits 134-5901

ARP Main Stud Kits 134-5901

Main Studs, 4-Bolt Main, Iron Dart Next, GM LS, Kit

Part Number: ARP-134-5901

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

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ARP Pro Series Main Bolts 155-5201

Made in the USA ARP Pro Series Main Bolts 155-5201

ARP Pro Series Main Bolts 155-5201

Main Bolts, Pro Series, 2-Bolt Main, Ford, Big Block FE, 390-427-428, 12 Point, Kit

Part Number: ARP-155-5201

5.0 out of 5 stars ( 9 )

Estimated Ship Date: Today

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