Best Main Bolts . Reviews December, 2020

ARP 1545003 High Performance Series Main Bolt Kit For Select Ford Small Block Applications, 351W, 2-Bolt Main

Search only ARP brand name
ARP 1545003 High Performance Series Main Bolt Kit For Select Ford Small Block Applications, 351W, 2-Bolt Main

Current price: 56.79 USD


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Weight: 2.5132697868 Pounds

  • 1000% longer fatigue life than most other main bolts
  • Rated at 180,000 PSI, which is considerably stronger than Grade 8 hardware
  • Forged from 8740 chrome moly steel, with generous under-head radius and rolled threads
  • Designed to meet the exacting standards and demands of professional engine builders
  • High Performance Series main bolts are a premium replacement for OEM fasteners

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OEM Main Cap bolt kit compatible with 2004-15 GM LS1 LS2 LS6 LS7 LS9 Engines 12560273 12560272

Search only IE PARTS GROUP brand name
OEM Main Cap bolt kit compatible with 2004-15 GM LS1 LS2 LS6 LS7 LS9 Engines 12560273 12560272

Current price: 126.32 USD


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  • 1000% longer fatigue life than most other main bolts
  • Rated at 180,000 PSI, which is considerably stronger than Grade 8 hardware
  • Forged from 8740 chrome moly steel, with generous under-head radius and rolled threads
  • Designed to meet the exacting standards and demands of professional engine builders
  • High Performance Series main bolts are a premium replacement for OEM fasteners
  • 10 Main cap Side Bolts Replaces OEM 12556127
  • 10 Outer main bolts for windage tray Replace OEM 12560273
  • 10 inner Main Bolts Replaces OEM 11570662

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Dorman 45691 Main Bearing Cap Bolt Set

Search only Dorman brand name
Dorman 45691 Main Bearing Cap Bolt Set

Current price: 38.92 USD


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Height: 2.2 Inches

Length: 3.2 Inches

Width: 6.9 Inches

Weight: 1.7 Pounds

Warranty: Limited Lifetime Warranty

  • 1000% longer fatigue life than most other main bolts
  • Rated at 180,000 PSI, which is considerably stronger than Grade 8 hardware
  • Forged from 8740 chrome moly steel, with generous under-head radius and rolled threads
  • Designed to meet the exacting standards and demands of professional engine builders
  • High Performance Series main bolts are a premium replacement for OEM fasteners
  • 10 Main cap Side Bolts Replaces OEM 12556127
  • 10 Outer main bolts for windage tray Replace OEM 12560273
  • 10 inner Main Bolts Replaces OEM 11570662
  • Thread Size: 10-1.5
  • This part has undergone material testing to conform to product standards
  • Carbon Steel construction
  • Must be replaced when rebuilding the engine - one-time use bolt
  • Direct replacement for a proper fit every time

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ARP 1345202 High Performance Series Main Bolt

Search only ARP brand name
ARP 1345202 High Performance Series Main Bolt

Current price: 51.93 USD

Saving: $4.28 (8%)


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Weight: 2 Pounds

  • 1000% longer fatigue life than most other main bolts
  • Rated at 180,000 PSI, which is considerably stronger than Grade 8 hardware
  • Forged from 8740 chrome moly steel, with generous under-head radius and rolled threads
  • Designed to meet the exacting standards and demands of professional engine builders
  • High Performance Series main bolts are a premium replacement for OEM fasteners
  • 10 Main cap Side Bolts Replaces OEM 12556127
  • 10 Outer main bolts for windage tray Replace OEM 12560273
  • 10 inner Main Bolts Replaces OEM 11570662
  • Thread Size: 10-1.5
  • This part has undergone material testing to conform to product standards
  • Carbon Steel construction
  • Must be replaced when rebuilding the engine - one-time use bolt
  • Direct replacement for a proper fit every time
  • Part number: 1345202
  • Main Stud/Bolt Kit
  • Made in USA
  • Package Dimensions: 5.842 H x 22.098 L x 10.668 W (centimeters)

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JEGS 83482 Main Bearing Cap Bolt Kit for Chevy Small Block LS-based Engines [6-bolt Style]

Search only JEGS brand name
JEGS 83482 Main Bearing Cap Bolt Kit for Chevy Small Block LS-based Engines [6-bolt Style]

Current price: 130.49 USD

Saving: $14.50 (10%)


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Height: 2.6 Inches

Length: 10.2 Inches

Width: 4.3 Inches

Weight: 4 Pounds

  • 1000% longer fatigue life than most other main bolts
  • Rated at 180,000 PSI, which is considerably stronger than Grade 8 hardware
  • Forged from 8740 chrome moly steel, with generous under-head radius and rolled threads
  • Designed to meet the exacting standards and demands of professional engine builders
  • High Performance Series main bolts are a premium replacement for OEM fasteners
  • 10 Main cap Side Bolts Replaces OEM 12556127
  • 10 Outer main bolts for windage tray Replace OEM 12560273
  • 10 inner Main Bolts Replaces OEM 11570662
  • Thread Size: 10-1.5
  • This part has undergone material testing to conform to product standards
  • Carbon Steel construction
  • Must be replaced when rebuilding the engine - one-time use bolt
  • Direct replacement for a proper fit every time
  • Part number: 1345202
  • Main Stud/Bolt Kit
  • Made in USA
  • Package Dimensions: 5.842 H x 22.098 L x 10.668 W (centimeters)
  • (10) Camshaft Side Rail Bolts Main Bearing Cap Bolt Kit...
  • (10) Main Bearing Cap Outer...
  • (10) Main Bearing Cap Inner...
  • 6-bolt...
  • Chevy Small Block LS-based...

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NewYall Crankshaft Rear Main Seal Cover with Housing Cover, Gasket, Bolt Kit

Search only NewYall brand name
NewYall Crankshaft Rear Main Seal Cover with Housing Cover, Gasket, Bolt Kit

Current price: 30.98 USD

Saving: $1.99 (6%)


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  • 1000% longer fatigue life than most other main bolts
  • Rated at 180,000 PSI, which is considerably stronger than Grade 8 hardware
  • Forged from 8740 chrome moly steel, with generous under-head radius and rolled threads
  • Designed to meet the exacting standards and demands of professional engine builders
  • High Performance Series main bolts are a premium replacement for OEM fasteners
  • 10 Main cap Side Bolts Replaces OEM 12556127
  • 10 Outer main bolts for windage tray Replace OEM 12560273
  • 10 inner Main Bolts Replaces OEM 11570662
  • Thread Size: 10-1.5
  • This part has undergone material testing to conform to product standards
  • Carbon Steel construction
  • Must be replaced when rebuilding the engine - one-time use bolt
  • Direct replacement for a proper fit every time
  • Part number: 1345202
  • Main Stud/Bolt Kit
  • Made in USA
  • Package Dimensions: 5.842 H x 22.098 L x 10.668 W (centimeters)
  • (10) Camshaft Side Rail Bolts Main Bearing Cap Bolt Kit...
  • (10) Main Bearing Cap Outer...
  • (10) Main Bearing Cap Inner...
  • 6-bolt...
  • Chevy Small Block LS-based...
  • Fits: 2005 Chevrolet Express 1500/2500/3500,Silverado 2500 HD;GMC Savana 3500,Sierra 2500 HD,Envoy,Envoy XL;Cadillac Escalade ESV
  • Fits: 2004 Buick Rainier;GMC Sierra 2500/2500 HD,Savana 3500,Silverado 2500 HD;Chevrolet Silverado 2500,Express 1500/2500;Cadillac Escalade ESV
  • Fits: 2003-2005 Cadillac Escalade,Escalade EXT/ESV;Chevrolet Express 2500,Avalanche 1500/2500,Trailblazer,Suburban 1500/2500,Tahoe,Silverado 1500;GMC Yukon,Yukon XL/Sierra 1500/2500 HD
  • Fits: 2001-2003 Chevrolet Silverado 3500/2500 HD/2500/1500,Suburban 1500/2500,Tahoe;GMC Yukon,Yukon XL/Sierra 1500
  • Fits: 1997-2012 Chevrolet Corvette 1998-2002 Chevrolet Camaro;Pontiac Firebird 2001 Chevrolet Silverado 1500 HD

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ICT Billet USA Made BOLT KIT ONLY LS Rear Main Cover Plate Flange Bolts LS1 LS3 LS2 LSX ICT 551435

Search only ICT Billet brand name
ICT Billet USA Made BOLT KIT ONLY LS Rear Main Cover Plate Flange Bolts LS1 LS3 LS2 LSX ICT 551435

Current price: 14.99 USD


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  • 1000% longer fatigue life than most other main bolts
  • Rated at 180,000 PSI, which is considerably stronger than Grade 8 hardware
  • Forged from 8740 chrome moly steel, with generous under-head radius and rolled threads
  • Designed to meet the exacting standards and demands of professional engine builders
  • High Performance Series main bolts are a premium replacement for OEM fasteners
  • 10 Main cap Side Bolts Replaces OEM 12556127
  • 10 Outer main bolts for windage tray Replace OEM 12560273
  • 10 inner Main Bolts Replaces OEM 11570662
  • Thread Size: 10-1.5
  • This part has undergone material testing to conform to product standards
  • Carbon Steel construction
  • Must be replaced when rebuilding the engine - one-time use bolt
  • Direct replacement for a proper fit every time
  • Part number: 1345202
  • Main Stud/Bolt Kit
  • Made in USA
  • Package Dimensions: 5.842 H x 22.098 L x 10.668 W (centimeters)
  • (10) Camshaft Side Rail Bolts Main Bearing Cap Bolt Kit...
  • (10) Main Bearing Cap Outer...
  • (10) Main Bearing Cap Inner...
  • 6-bolt...
  • Chevy Small Block LS-based...
  • Fits: 2005 Chevrolet Express 1500/2500/3500,Silverado 2500 HD;GMC Savana 3500,Sierra 2500 HD,Envoy,Envoy XL;Cadillac Escalade ESV
  • Fits: 2004 Buick Rainier;GMC Sierra 2500/2500 HD,Savana 3500,Silverado 2500 HD;Chevrolet Silverado 2500,Express 1500/2500;Cadillac Escalade ESV
  • Fits: 2003-2005 Cadillac Escalade,Escalade EXT/ESV;Chevrolet Express 2500,Avalanche 1500/2500,Trailblazer,Suburban 1500/2500,Tahoe,Silverado 1500;GMC Yukon,Yukon XL/Sierra 1500/2500 HD
  • Fits: 2001-2003 Chevrolet Silverado 3500/2500 HD/2500/1500,Suburban 1500/2500,Tahoe;GMC Yukon,Yukon XL/Sierra 1500
  • Fits: 1997-2012 Chevrolet Corvette 1998-2002 Chevrolet Camaro;Pontiac Firebird 2001 Chevrolet Silverado 1500 HD
  • All ICT Billet metric flange bolts are custom made for us, right here in the USA!!
  • No washers needed with these flanged headed JIS spec bolts
  • Zinc coated for long lasting corrosion protection and prevents threads from seizing
  • Heavy duty, high strength, grade 10.9 bolts
  • Made in the USA bolts

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Subaru Block Main Bolts Case Kit EJ205 EJ257 Turbo OEM Impreza Sti Wrx & EJ253 +

Search only Subaru brand name
Subaru Block Main Bolts Case Kit EJ205 EJ257 Turbo OEM Impreza Sti Wrx & EJ253 +

Current price: 59 USD


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  • 1000% longer fatigue life than most other main bolts
  • Rated at 180,000 PSI, which is considerably stronger than Grade 8 hardware
  • Forged from 8740 chrome moly steel, with generous under-head radius and rolled threads
  • Designed to meet the exacting standards and demands of professional engine builders
  • High Performance Series main bolts are a premium replacement for OEM fasteners
  • 10 Main cap Side Bolts Replaces OEM 12556127
  • 10 Outer main bolts for windage tray Replace OEM 12560273
  • 10 inner Main Bolts Replaces OEM 11570662
  • Thread Size: 10-1.5
  • This part has undergone material testing to conform to product standards
  • Carbon Steel construction
  • Must be replaced when rebuilding the engine - one-time use bolt
  • Direct replacement for a proper fit every time
  • Part number: 1345202
  • Main Stud/Bolt Kit
  • Made in USA
  • Package Dimensions: 5.842 H x 22.098 L x 10.668 W (centimeters)
  • (10) Camshaft Side Rail Bolts Main Bearing Cap Bolt Kit...
  • (10) Main Bearing Cap Outer...
  • (10) Main Bearing Cap Inner...
  • 6-bolt...
  • Chevy Small Block LS-based...
  • Fits: 2005 Chevrolet Express 1500/2500/3500,Silverado 2500 HD;GMC Savana 3500,Sierra 2500 HD,Envoy,Envoy XL;Cadillac Escalade ESV
  • Fits: 2004 Buick Rainier;GMC Sierra 2500/2500 HD,Savana 3500,Silverado 2500 HD;Chevrolet Silverado 2500,Express 1500/2500;Cadillac Escalade ESV
  • Fits: 2003-2005 Cadillac Escalade,Escalade EXT/ESV;Chevrolet Express 2500,Avalanche 1500/2500,Trailblazer,Suburban 1500/2500,Tahoe,Silverado 1500;GMC Yukon,Yukon XL/Sierra 1500/2500 HD
  • Fits: 2001-2003 Chevrolet Silverado 3500/2500 HD/2500/1500,Suburban 1500/2500,Tahoe;GMC Yukon,Yukon XL/Sierra 1500
  • Fits: 1997-2012 Chevrolet Corvette 1998-2002 Chevrolet Camaro;Pontiac Firebird 2001 Chevrolet Silverado 1500 HD
  • All ICT Billet metric flange bolts are custom made for us, right here in the USA!!
  • No washers needed with these flanged headed JIS spec bolts
  • Zinc coated for long lasting corrosion protection and prevents threads from seizing
  • Heavy duty, high strength, grade 10.9 bolts
  • Made in the USA bolts
  • Case half bolt 800706500 x1 (A7065 in picture)(6x26x20)Case half bolt 800708630 x1 (A70863 in picture)(8x85x20)
  • Case half bolts 808208960 x6 (A70862 in picture)(8x65x20)
  • Case half bolts 800210990 x8 (A21099 in picture)(10x158x30)
  • Case half bolts 800610010 x2 (A61001 in picture)(10x106x30)
  • Genuine Oem Subaru Sealed items

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ARP 218-5401 Main Stud Kit

Search only ARP brand name
ARP 218-5401 Main Stud Kit

Current price: 99.99 USD


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Height: 9 Inches

Length: 4 Inches

Width: 3 Inches

Weight: 1.653466965 Pounds

  • 1000% longer fatigue life than most other main bolts
  • Rated at 180,000 PSI, which is considerably stronger than Grade 8 hardware
  • Forged from 8740 chrome moly steel, with generous under-head radius and rolled threads
  • Designed to meet the exacting standards and demands of professional engine builders
  • High Performance Series main bolts are a premium replacement for OEM fasteners
  • 10 Main cap Side Bolts Replaces OEM 12556127
  • 10 Outer main bolts for windage tray Replace OEM 12560273
  • 10 inner Main Bolts Replaces OEM 11570662
  • Thread Size: 10-1.5
  • This part has undergone material testing to conform to product standards
  • Carbon Steel construction
  • Must be replaced when rebuilding the engine - one-time use bolt
  • Direct replacement for a proper fit every time
  • Part number: 1345202
  • Main Stud/Bolt Kit
  • Made in USA
  • Package Dimensions: 5.842 H x 22.098 L x 10.668 W (centimeters)
  • (10) Camshaft Side Rail Bolts Main Bearing Cap Bolt Kit...
  • (10) Main Bearing Cap Outer...
  • (10) Main Bearing Cap Inner...
  • 6-bolt...
  • Chevy Small Block LS-based...
  • Fits: 2005 Chevrolet Express 1500/2500/3500,Silverado 2500 HD;GMC Savana 3500,Sierra 2500 HD,Envoy,Envoy XL;Cadillac Escalade ESV
  • Fits: 2004 Buick Rainier;GMC Sierra 2500/2500 HD,Savana 3500,Silverado 2500 HD;Chevrolet Silverado 2500,Express 1500/2500;Cadillac Escalade ESV
  • Fits: 2003-2005 Cadillac Escalade,Escalade EXT/ESV;Chevrolet Express 2500,Avalanche 1500/2500,Trailblazer,Suburban 1500/2500,Tahoe,Silverado 1500;GMC Yukon,Yukon XL/Sierra 1500/2500 HD
  • Fits: 2001-2003 Chevrolet Silverado 3500/2500 HD/2500/1500,Suburban 1500/2500,Tahoe;GMC Yukon,Yukon XL/Sierra 1500
  • Fits: 1997-2012 Chevrolet Corvette 1998-2002 Chevrolet Camaro;Pontiac Firebird 2001 Chevrolet Silverado 1500 HD
  • All ICT Billet metric flange bolts are custom made for us, right here in the USA!!
  • No washers needed with these flanged headed JIS spec bolts
  • Zinc coated for long lasting corrosion protection and prevents threads from seizing
  • Heavy duty, high strength, grade 10.9 bolts
  • Made in the USA bolts
  • Case half bolt 800706500 x1 (A7065 in picture)(6x26x20)Case half bolt 800708630 x1 (A70863 in picture)(8x85x20)
  • Case half bolts 808208960 x6 (A70862 in picture)(8x65x20)
  • Case half bolts 800210990 x8 (A21099 in picture)(10x158x30)
  • Case half bolts 800610010 x2 (A61001 in picture)(10x106x30)
  • Genuine Oem Subaru Sealed items
  • Fit type: Vehicle Specific
  • Country of Origin : United States
  • Package Weight: 1.65 lbs
  • package dimensions :21.843 cm L x 10.668 cm W x 5.588 cm H

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ARP 234-5201 12-Point Main Bolt Kit for Small Block Chevy 4-Bolt

Search only ARP brand name
ARP 234-5201 12-Point Main Bolt Kit for Small Block Chevy 4-Bolt

Current price: 100.99 USD


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  • 1000% longer fatigue life than most other main bolts
  • Rated at 180,000 PSI, which is considerably stronger than Grade 8 hardware
  • Forged from 8740 chrome moly steel, with generous under-head radius and rolled threads
  • Designed to meet the exacting standards and demands of professional engine builders
  • High Performance Series main bolts are a premium replacement for OEM fasteners
  • 10 Main cap Side Bolts Replaces OEM 12556127
  • 10 Outer main bolts for windage tray Replace OEM 12560273
  • 10 inner Main Bolts Replaces OEM 11570662
  • Thread Size: 10-1.5
  • This part has undergone material testing to conform to product standards
  • Carbon Steel construction
  • Must be replaced when rebuilding the engine - one-time use bolt
  • Direct replacement for a proper fit every time
  • Part number: 1345202
  • Main Stud/Bolt Kit
  • Made in USA
  • Package Dimensions: 5.842 H x 22.098 L x 10.668 W (centimeters)
  • (10) Camshaft Side Rail Bolts Main Bearing Cap Bolt Kit...
  • (10) Main Bearing Cap Outer...
  • (10) Main Bearing Cap Inner...
  • 6-bolt...
  • Chevy Small Block LS-based...
  • Fits: 2005 Chevrolet Express 1500/2500/3500,Silverado 2500 HD;GMC Savana 3500,Sierra 2500 HD,Envoy,Envoy XL;Cadillac Escalade ESV
  • Fits: 2004 Buick Rainier;GMC Sierra 2500/2500 HD,Savana 3500,Silverado 2500 HD;Chevrolet Silverado 2500,Express 1500/2500;Cadillac Escalade ESV
  • Fits: 2003-2005 Cadillac Escalade,Escalade EXT/ESV;Chevrolet Express 2500,Avalanche 1500/2500,Trailblazer,Suburban 1500/2500,Tahoe,Silverado 1500;GMC Yukon,Yukon XL/Sierra 1500/2500 HD
  • Fits: 2001-2003 Chevrolet Silverado 3500/2500 HD/2500/1500,Suburban 1500/2500,Tahoe;GMC Yukon,Yukon XL/Sierra 1500
  • Fits: 1997-2012 Chevrolet Corvette 1998-2002 Chevrolet Camaro;Pontiac Firebird 2001 Chevrolet Silverado 1500 HD
  • All ICT Billet metric flange bolts are custom made for us, right here in the USA!!
  • No washers needed with these flanged headed JIS spec bolts
  • Zinc coated for long lasting corrosion protection and prevents threads from seizing
  • Heavy duty, high strength, grade 10.9 bolts
  • Made in the USA bolts
  • Case half bolt 800706500 x1 (A7065 in picture)(6x26x20)Case half bolt 800708630 x1 (A70863 in picture)(8x85x20)
  • Case half bolts 808208960 x6 (A70862 in picture)(8x65x20)
  • Case half bolts 800210990 x8 (A21099 in picture)(10x158x30)
  • Case half bolts 800610010 x2 (A61001 in picture)(10x106x30)
  • Genuine Oem Subaru Sealed items
  • Fit type: Vehicle Specific
  • Country of Origin : United States
  • Package Weight: 1.65 lbs
  • package dimensions :21.843 cm L x 10.668 cm W x 5.588 cm H
  • Oem equivalent part number: 234-5201
  • Package Weight: 2.86 pounds
  • Package Dimensions: 2.5"H x 8.5"L x 4.0"W
  • SB Chevy 4-Bolt large journal Main Bolt Kit

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