Best Automotive Performance Engine Main Bolts & Studs - Buying Guide
Last Updated: 05/27/2024
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ARP 1545003 High Performance Series Main Bolt Kit For Select Ford Small Block Applications, 351W, 2-Bolt Main
Asin: B000CFS0TQ | Model: 154-5003 | PartNumber: 154-5003 | Ean: 0672036003869 | UPC: 672036003869
Features
- High Performance Series main bolts are a premium replacement for OEM fasteners
- Designed to meet the exacting standards and demands of professional engine builders
- Forged from 8740 chrome moly steel, with generous under-head radius and rolled threads
- Rated at 180,000 PSI, which is considerably stronger than Grade 8 hardware
- 1000% longer fatigue life than most other main bolts
- See more on Amazon...
Forged From 8740 Chrome Moly Steel, With Generous Under-Head Radius And Rolled Threads.
1000% Longer Fatigue Life Than Most Other Main Bolts.
Rated At 180,000 Psi, Which Is Considerably Stronger Than Grade 8 Hardware.
Designed To Meet The Exacting Standards And Demands Of Professional Engine Builders.
First Available: 06/05/2012
Brand: ARP | Manufacturer: ARP
Dimensions: 0.00 x 0.00 x 0.00 Inches | Weight: 2.51 Pounds
Warranty: Manufacturer warranty
See On Amazon #2
ARP 1345002 High Performance Series Main Bolt Kit For Select Chevrolet Small Block Applications, 2-Bolt Main, Small Journal
Asin: B000CFQ3AE | Model: 134-5002 | PartNumber: 134-5002 | Ean: 0672036001858 | UPC: 672036001858
Features
- High Performance Series main bolts are a premium replacement for OEM fasteners
- Designed to meet the exacting standards and demands of professional engine builders
- Forged from 8740 chrome moly steel, with generous under-head radius and rolled threads
- Rated at 180,000 PSI, which is considerably stronger than Grade 8 hardware
- 1000% longer fatigue life than most other main bolts
- See more on Amazon...
Forged From 8740 Chrome Moly Steel, With Generous Under-Head Radius And Rolled Threads.
1000% Longer Fatigue Life Than Most Other Main Bolts.
Rated At 180,000 Psi, Which Is Considerably Stronger Than Grade 8 Hardware.
Designed To Meet The Exacting Standards And Demands Of Professional Engine Builders.
First Available: 06/05/2012
Brand: ARP | Manufacturer: ARP
Dimensions: 0.00 x 0.00 x 0.00 inches | Weight: 1.81 Pounds
Warranty: Manufacturer warranty
See On Amazon #3
ARP 1345202 High Performance Series Main Bolt
Asin: B000CFO0OU | Model: 134-5202 | PartNumber: 134-5202 | Ean: 0672036001865 | UPC: 672036001865
Features
- Package Dimensions: 5.842 H x 22.098 L x 10.668 W (centimeters)
- Made in USA
- Main Stud/Bolt Kit
- Part number: 1345202
- See more on Amazon...
Main Stud/Bolt Kit.
Part Number: 1345202.
Made In Usa.
First Available: 06/05/2012
Brand: ARP | Manufacturer: ARP
Dimensions: 0.00 x 0.00 x 0.00 inches | Weight: 2.00 Pounds
Warranty: Manufacturer Warranty
See On Amazon #4
Chevy Gen III/LS Series Small Block Main Stud Kit - Xotic Performance MS334
Asin: B0993P8F5R | Ean: 0663647156532 | UPC: 663647156532
Features
- DIRECT FIT REPLACEMENT - Fits 1997 - Current Chevrolet Gen III/LS 4.8L 5.3L 5.7L 6.0L 6.2L; LS1 LS2 LS3 LS4 LS6 LQ4 LQ9 LY6 L92 L99 engines. Please see vehicle compatibilities tab above to ensure accurate fitment.
- ULTRA STRENGTH - XOTIC 7200 material properties allow for far greater tensile strength compared to 8740 chromoly steel head studs. Rated at 220,000 psi tensile strength, these main studs far exceed clamping forces provided by standard head bolts.
- EASY INSTALLATION - Broached stud ends install & make cylinder head removal easier. Installation manual is included with drawn diagrams to ease the installation process. Head studs are designed to retain cylinder seal even with today's extreme high pressure turbo systems. These studs far exceed clamping forces provided by standard Chevy head bolts.
- IMPROVED CAP ALIGNMENT - Main studs are required for maximum loading & reduced wear and tear on the block threads. They assist with main cap alignment, and there is less of a change of main cap walking because the studs remain stationary during cap clamping. These main studs far exceed clamping forces provided by standard head bolts.
- KIT INCLUDES - 20x Main Studs, 10x M8 Side Bolts, 30x Nuts, 2x Sockets, 1x Allen wrench, and 1x Fastener Assembly Lubricant included. Black oxide finish protects from wear and tear. Hardened parallel washers allow for uniform load distribution and accurate torque readings.
- See more on Amazon...
Easy Installation - Broached Stud Ends Install & Make Cylinder Head Removal Easier. Installation Manual Is Included With Drawn Diagrams To Ease The Installation Process. Head Studs Are Designed To Retain Cylinder Seal Even With Today's Extreme High Pressure Turbo Systems. These Studs Far Exceed Clamping Forces Provided By Standard Chevy Head Bolts..
Kit Includes - 20X Main Studs, 10X M8 Side Bolts, 30X Nuts, 2X Sockets, 1X Allen Wrench, And 1X Fastener Assembly Lubricant Included. Black Oxide Finish Protects From Wear And Tear. Hardened Parallel Washers Allow For Uniform Load Distribution And Accurate Torque Readings..
Improved Cap Alignment - Main Studs Are Required For Maximum Loading & Reduced Wear And Tear On The Block Threads. They Assist With Main Cap Alignment, And There Is Less Of A Change Of Main Cap Walking Because The Studs Remain Stationary During Cap Clamping. These Main Studs Far Exceed Clamping Forces Provided By Standard Head Bolts..
Ultra Strength - Xotic 7200 Material Properties Allow For Far Greater Tensile Strength Compared To 8740 Chromoly Steel Head Studs. Rated At 220,000 Psi Tensile Strength, These Main Studs Far Exceed Clamping Forces Provided By Standard Head Bolts..
Brand: Xotic Performance | Manufacturer: Xotic Performance
See On Amazon #5
ARP 1355002 High Performance Series Main 2-Bolt Kit
Asin: B000CFO0ZO | Model: 135-5002 | PartNumber: 135-5002 | Ean: 0672036002459 | UPC: 672036002459
Features
- High Performance Series main bolts are a premium replacement for OEM fasteners
- Designed to meet the exacting standards and demands of professional engine builders
- Forged from 8740 chrome moly steel, with generous under-head radius and rolled threads
- Rated at 180,000 PSI, which is considerably stronger than Grade 8 hardware
- 1000% longer fatigue life than most other main bolts
- See more on Amazon...
Forged From 8740 Chrome Moly Steel, With Generous Under-Head Radius And Rolled Threads.
1000% Longer Fatigue Life Than Most Other Main Bolts.
Rated At 180,000 Psi, Which Is Considerably Stronger Than Grade 8 Hardware.
Designed To Meet The Exacting Standards And Demands Of Professional Engine Builders.
First Available: 06/05/2012
Brand: ARP | Manufacturer: ARP
Dimensions: 0.00 x 0.00 x 0.00 inches | Weight: 2.54 Pounds
Warranty: Manufacturer warranty
See On Amazon #6
ARP 1545001 High Performance Series Main Bolt Kit For Select Ford Small Block Applications, 2-Bolt Main
Asin: B000CFQ3RC | Model: 154-5001 | PartNumber: 154-5001 | Ean: 0672036003852 | UPC: 672036003852
Features
- High Performance Series main bolts are a premium replacement for OEM fasteners
- Designed to meet the exacting standards and demands of professional engine builders
- Forged from 8740 chrome moly steel, with generous under-head radius and rolled threads
- Rated at 180,000 PSI, which is considerably stronger than Grade 8 hardware
- 1000% longer fatigue life than most other main bolts
- See more on Amazon...
Forged From 8740 Chrome Moly Steel, With Generous Under-Head Radius And Rolled Threads.
1000% Longer Fatigue Life Than Most Other Main Bolts.
Rated At 180,000 Psi, Which Is Considerably Stronger Than Grade 8 Hardware.
Designed To Meet The Exacting Standards And Demands Of Professional Engine Builders.
First Available: 06/05/2012
Brand: ARP | Manufacturer: ARP
Dimensions: 0.00 x 0.00 x 0.00 inches | Weight: 1.76 Pounds
Warranty: Manufacturer warranty
See On Amazon #7
Ferric Performance - Chevy LS Gen I,II,III/IV Series - 12 Point Black Oxide - Main Cap Side Bolt Kit
Asin: B0BPQ4CCH8 | Model: FP008 | PartNumber: FP008 | Ean: 0850046411076 | UPC: 850046411076
Features
- Grade 12.9 Rated to 1220 MPa
- Replace Lost or Misplaced Main Cap Side Bolts
- 12 Point Black Oxide to match other Ferric Performance Bolt Kits
- See more on Amazon...
12 Point Black Oxide To Match Other Ferric Performance Bolt Kits.
Replace Lost Or Misplaced Main Cap Side Bolts.
Brand: Ferric Performance | Manufacturer: Ferric Performance
Warranty: Performance Engine Hardware No Warranty
See On Amazon #8
ARP 156-5202 Main Cap Side Bolt Kit for Ford M9 Modular Block
Asin: B004PLFZ9Q | Model: 156-5202 | PartNumber: 156-5202 | Ean: 0672036037802 | UPC: 672036037802
Features
- Package Dimensions: 1.777 H x 24.13 L x 14.478 W (centimeters)
- Made in USA
- Main Stud/Bolt Kit
- Part number: 156-5202
- See more on Amazon...
Main Stud/Bolt Kit.
Part Number: 156-5202.
Made In Usa.
First Available: 10/25/2012
Brand: ARP | Manufacturer: ARP
Dimensions: 0.00 x 0.00 x 0.00 Inches | Weight: 1.04 Pounds
Warranty: Manufacturer Warranty
See On Amazon #9
ARP 2545501 Main Stud Kit, 200,000 PSI Chrome Moly Steel, For Select Ford Small Block 2-Bolt Main Applications, 289-302 CID, With Windage Tray
Asin: B000CFS406 | Model: 254-5501 | PartNumber: 254-5501 | Ean: 0672036011390 | UPC: 672036011390
Features
- Main studs are designed to meet the exacting standards and demands of professional engine builders
- Manufactured from 8740 chrome moly steel
- Rated at 200,000 PSI, which is considerably stronger than Grade 8 hardware
- Rolled J-form threads are 1000% stronger than other threads
- Main studs are recommended over main bolts for a number of reasons, including more accurate torque readings and easier engine assembly
- See more on Amazon...
Rated At 200,000 Psi, Which Is Considerably Stronger Than Grade 8 Hardware.
Main Studs Are Recommended Over Main Bolts For A Number Of Reasons, Including More Accurate Torque Readings And Easier Engine Assembly.
Rolled J-Form Threads Are 1000% Stronger Than Other Threads.
Manufactured From 8740 Chrome Moly Steel.
First Available: 06/05/2012
Brand: ARP | Manufacturer: ARP
Dimensions: 0.00 x 0.00 x 0.00 Inches | Weight: 2.65 Pounds
Warranty: Manufacturer warranty
See On Amazon #10
ARP 134-5402 Main Stud Kit for Small Block Chevy
Asin: B0026NDOQG | Model: 134-5402 | PartNumber: 134-5402 | Ean: 0672036001889 | UPC: 672036001889
Features
- Package Dimensions: 22.3 H x 5.9 L x 10.8 W (centimeters)
- Made in USA
- Main Stud/Bolt Kit
- Part number: ARP-134-5402
- See more on Amazon...
Main Stud/Bolt Kit.
Part Number: Arp-134-5402.
Made In Usa.
First Available: 10/25/2012
Brand: ARP | Manufacturer: ARP
Dimensions: 0.00 x 0.00 x 0.00 Inches | Weight: 2.30 Pounds
See On Amazon #11
ARP 134-5603 Main Stud Kit
Asin: B005ASV91Q | Model: 134-5603 | PartNumber: 134-5603 | Ean: 0672036037765 | UPC: 672036037765
Features
- Package Dimensions: 1.57"H x 7.62"L x 4.44"W
- Made in USA
- Main Stud/Bolt Kit
- Part number: ARP-134-5603
- See more on Amazon...
Main Stud/Bolt Kit.
Part Number: Arp-134-5603.
Made In Usa.
Brand: ARP | Manufacturer: ARP
Dimensions: 9.00 x 4.00 x 3.00 inches | Weight: 4.30 Pounds
Warranty: Manufacturer warranty
See On Amazon #12
ARP 156-5001 Main Cap Side Bolt Kit for Ford M8 Modular Block
Asin: B004PL35AW | Model: 156-5001 | PartNumber: 156-5001 | Ean: 0672036038120 | UPC: 672036038120
Features
- ARP Main Bolt Kit 4 Bolt Main Ford Modular P/N 156-5001
- Package Dimensions: 0.254 H x 23.876 L x 14.223 W (centimeters)
- Package Weight: 0.800 pounds
- Oem equivalent part number: 156-5001
- See more on Amazon...
Package Weight: 0.800 Pounds.
Oem Equivalent Part Number: 156-5001.
Package Dimensions: 0.254 H X 23.876 L X 14.223 W (Centimeters).
First Available: 10/25/2012
Brand: ARP | Manufacturer: ARP
Dimensions: 0.00 x 0.00 x 0.00 inches | Weight: 0.79 pounds
Warranty: Manufacturer Warranty
See On Amazon #13
ARP 2345501 Main Cap Stud Kit
Asin: B000CFO3G0 | Model: 234-5501 | PartNumber: 234-5501 | Ean: 0672036009489 | UPC: 672036009489
Features
- Main studs are designed to meet the exacting standards and demands of professional engine builders
- Manufactured from 8740 chrome moly steel
- Rated at 200,000 PSI, which is considerably stronger than Grade 8 hardware
- Rolled J-form threads are 1000% stronger than other threads
- Main studs are recommended over main bolts for a number of reasons, including more accurate torque readings and easier engine assembly
- See more on Amazon...
Rated At 200,000 Psi, Which Is Considerably Stronger Than Grade 8 Hardware.
Main Studs Are Recommended Over Main Bolts For A Number Of Reasons, Including More Accurate Torque Readings And Easier Engine Assembly.
Rolled J-Form Threads Are 1000% Stronger Than Other Threads.
Manufactured From 8740 Chrome Moly Steel.
First Available: 06/05/2012
Brand: ARP | Manufacturer: ARP
Dimensions: 9.00 x 4.00 x 3.00 inches | Weight: 2.76 Pounds
Warranty: Manufacturer warranty
See On Amazon #14
ARP 1355601 4-Bolt Main Stud Kit
Asin: B000CFU530 | Model: 135-5601 | PartNumber: 135-5601 | Ean: 0672036002480 | UPC: 672036002480
Features
- Main studs are designed to meet the exacting standards and demands of professional engine builders
- Manufactured from 8740 chrome moly steel
- Rated at 200,000 PSI, which is considerably stronger than Grade 8 hardware
- Rolled J-form threads are 1000% stronger than other threads
- Main studs are recommended over main bolts for a number of reasons, including more accurate torque readings and easier engine assembly
- See more on Amazon...
Rated At 200,000 Psi, Which Is Considerably Stronger Than Grade 8 Hardware.
Main Studs Are Recommended Over Main Bolts For A Number Of Reasons, Including More Accurate Torque Readings And Easier Engine Assembly.
Rolled J-Form Threads Are 1000% Stronger Than Other Threads.
Manufactured From 8740 Chrome Moly Steel.
First Available: 06/05/2012
Brand: ARP | Manufacturer: ARP
Dimensions: 0.00 x 0.00 x 0.00 inches | Weight: 5.45 pounds
Warranty: Manufacturer Warranty
See On Amazon #15
LS Main Cap Replacement Bolts Compatible with 2000-2015 Chevy GM LS1 LS2 LS6 LS7 LS9 Engines. Replaces OE 12560273 12560272 12556127.
Asin: B0CWBVTBP3 | Model: EHC1007S | PartNumber: EHC1007S
Features
- 10 inner main cap bolts replace OE 12560272
- 10 Outer main cap bolts replace OE 12560273
- 10 side main cap bolts replaces OE 12556127
- See more on Amazon...
10 Side Main Cap Bolts Replaces Oe 12556127.
10 Outer Main Cap Bolts Replace Oe 12560273.
Brand: J MARTIN AUTO | Manufacturer: EHC1007S
Weight: 3.00 pounds
Warranty: replacement
See On Amazon #16
ARP 5349801 Black Oxide Steel Hex Engine & Fastener Kit
Asin: B000CFS6JA | Model: 534-9801 | PartNumber: 534-9801 | Ean: 0672036015121 | UPC: 672036015121
Features
- Contains 12 groups of fasteners, virtually everything you need to assemble a show-quality carbureted engine
- All neatly organized and labeled in protective vacuum-wrapped packages
- Manufactured from heat-treated 8740 chrome moly steel with a black oxide finish
- Heads are traditional hex style, and premium-quality washers are included
- Rated at 170,000 PSI, which is considerably stronger than Grade 8 hardware
- See more on Amazon...
Manufactured From Heat-Treated 8740 Chrome Moly Steel With A Black Oxide Finish.
Rated At 170,000 Psi, Which Is Considerably Stronger Than Grade 8 Hardware.
Heads Are Traditional Hex Style, And Premium-Quality Washers Are Included.
All Neatly Organized And Labeled In Protective Vacuum-Wrapped Packages.
First Available: 06/05/2012
Brand: ARP | Manufacturer: ARP
Dimensions: 9.00 x 9.00 x 3.00 Inches | Weight: 3.24 Pounds
Warranty: Manufacturer warranty
See On Amazon #17
ARP 2307004 Oil Pump Stud Kit, 12-Point Style, For Select Chevrolet V8 Applications
Asin: B000CFS2OY | Model: 230-7004 | PartNumber: 230-7004 | Ean: 0672036008406 | UPC: 672036008406
Features
- Premium grade oil pump fasteners are inexpensive "insurance" that could save your engine
- Manufactured from black oxide finished chrome moly steel
- Rated at 170,000 PSI, which is considerably stronger than Grade 8 hardware
- Kit comes complete with studs, washers, and nuts
- Nuts are compact 12-point style
- See more on Amazon...
Rated At 170,000 Psi, Which Is Considerably Stronger Than Grade 8 Hardware.
Nuts Are Compact 12-Point Style.
Kit Comes Complete With Studs, Washers, And Nuts.
Manufactured From Black Oxide Finished Chrome Moly Steel.
First Available: 06/05/2012
Brand: ARP | Manufacturer: ARP
Dimensions: 0.00 x 0.00 x 0.00 inches | Weight: 0.15 Pounds
Warranty: Manufacturer warranty
See On Amazon #18
ARP 184-5001 Main Bolt Kit for Oldsmobile 350 2-Bolt
Asin: B001T6HCDC | Model: 184-5001 | PartNumber: 184-5001 | Ean: 0672036004637 | UPC: 672036004637
Features
- Package Dimensions: 5.842 H x 22.098 L x 8.636 W (centimeters)
- Made in USA
- Main Stud/Bolt Kit
- Part number: 184-5001
- See more on Amazon...
Main Stud/Bolt Kit.
Part Number: 184-5001.
Made In Usa.
First Available: 10/25/2012
Brand: ARP | Manufacturer: ARP
Dimensions: 0.00 x 0.00 x 0.00 inches | Weight: 2.04 Pounds
Warranty: Manufacturer warranty
See On Amazon #19
ARP 1345601 4-Bolt Main Stud
Asin: B000CFU4QI | Model: 134-5601 | PartNumber: 134-5601 | Ean: 0672036001919 | UPC: 672036001919
Features
- Package Dimensions: 5.588 H x 10.668 L x 22.098 W (centimeters)
- Made in USA
- Main Stud/Bolt Kit
- Part number: 1345601
- See more on Amazon...
Main Stud/Bolt Kit.
Part Number: 1345601.
Made In Usa.
First Available: 06/05/2012
Brand: ARP | Manufacturer: ARP
Dimensions: 0.00 x 0.00 x 0.00 inches | Weight: 3.26 Pounds
Warranty: Manufacturer Warranty
See On Amazon #20
ARP 1355201 High Performance Series Main 4-Bolt Kit
Asin: B000CFO11C | Model: 135-5201 | PartNumber: 135-5201 | Ean: 0672036002466 | UPC: 672036002466
Features
- High Performance Series main bolts are a premium replacement for OEM fasteners
- Designed to meet the exacting standards and demands of professional engine builders
- Forged from 8740 chrome moly steel, with generous under-head radius and rolled threads
- Rated at 180,000 PSI, which is considerably stronger than Grade 8 hardware
- 1000% longer fatigue life than most other main bolts
- See more on Amazon...
Forged From 8740 Chrome Moly Steel, With Generous Under-Head Radius And Rolled Threads.
1000% Longer Fatigue Life Than Most Other Main Bolts.
Rated At 180,000 Psi, Which Is Considerably Stronger Than Grade 8 Hardware.
Designed To Meet The Exacting Standards And Demands Of Professional Engine Builders.
First Available: 06/05/2012
Brand: ARP | Manufacturer: ARP
Dimensions: 0.00 x 0.00 x 0.00 inches | Weight: 1.00 Pounds
Warranty: Manufacturer warranty
See On Amazon
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