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Main Bearing Cap Bolts

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.

Top Brands

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.

Individual Parts

Results 1 - 25 of 480

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

Part Number: ARP-156-5803

5.0 out of 5 stars ( 3 )

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

Part Number: ARP-135-5402

5.0 out of 5 stars ( 15 )

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

Part Number: ARP-135-5201

4.33 out of 5 stars ( 6 )

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

Part Number: ARP-154-5003

5.0 out of 5 stars ( 10 )

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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 )

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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 )

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

Part Number: ARP-135-5002

5.0 out of 5 stars ( 16 )

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

Part Number: NAL-12560273

5.0 out of 5 stars ( 4 )

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

Part Number: ARP-154-5407

4.67 out of 5 stars ( 6 )

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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 )

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Main Bolts, 6-Bolt Main, Inner Bolts, Chevy, 4.8, 5.3, 5.7, 6.0L, Each

Part Number: NAL-12560272

5.0 out of 5 stars ( 2 )

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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 )

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

Part Number: ARP-155-5404

5.0 out of 5 stars ( 5 )

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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 )

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

Part Number: ARP-194-5401

4.64 out of 5 stars ( 11 )

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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 )

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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 )

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Main Studs, 4-Bolt Main, with Windage Tray, Ford, 4.6L, DOHC Only, Kit

Part Number: ARP-256-5701

5.0 out of 5 stars ( 2 )

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

Part Number: ARP-140-5003

5.0 out of 5 stars ( 1 )

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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 )

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

Part Number: ARP-203-5405

5.0 out of 5 stars ( 3 )

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Main Studs, 4-Bolt, Chevy, 454, Dart Big M Block, Kit

Part Number: ARP-235-5603

5.0 out of 5 stars ( 3 )

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

Part Number: ARP-234-5601

5.0 out of 5 stars ( 4 )

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