Complete LS Main Bolt and Stud Kit for Maximum Bottom-End Security This kit includes a combination of main bolts and main studs, ensuring superior clamping force, precise load distribution, and extreme durability for high-performance LS builds.. Direct Fit for 1997-2013 LS Engines Compatible with 4.8L, 5.3L, 5.7L, 6.0L, and 6.2L LS-series engines, including LS1, LS2, LS3, LQ4, LM7, LC9, LR4, L96, and L76, making it a perfect replacement for worn or missing factory main bolts and an upgrade for added strength.. Main Studs for Increased Engine Block Stability Main studs replace standard bolts in key areas, providing improved crankshaft alignment, reduced main cap walk, and enhanced structural integrity, making them ideal for high-RPM, high-horsepower, and forced-induction applications.. High-Strength Steel Construction for Maximum Durability Manufactured from premium-grade steel, these bolts and studs are designed to resist stretching, heat, and high torque loads, ensuring long-term reliability in high-performance and daily-driven LS applications.. Ideal for Stock Replacements Performance Builds Whether you're rebuilding, swapping, or upgrading your LS engine, this main bolt and stud kit provides the necessary reinforcement for both naturally aspirated and boosted setups, helping to prevent crankshaft movement and ensure long-term engine reliability..

FunctionCylinder Head Bolts Hold the Cylinder Head in Place and Ensure Stability Even When Subjected to Great Pressure in the Combustion Chamber.Our Bolts Have a Thread Size of 716 -14 and are Made of High Quality Metal for Durability and Long Service Life.Cylinder Head Bolts are Easy To Install.. ReplacesES72856.Please Check the OEM Part Number and Make Sure Your Part Number Matches this Part Number Before Buying. CompatibleFit for Chevy Vehicles1994-2000 K35001995-1999 K2500 Suburban1988-2000 K2500C3500C25001988-1999 K1500C15001997-2002 Express 250035001996-2002 Express 15001965-1996 Corvette and More.Fit for GMC Vehicles1993-2000 Yukon1997-2002 Savana 150035001998-2002 Savana 25001998-2000 K35001989-2000 K2500C25001994-1999 K1500C1500 Suburban and More.Fit for Cadillac Vehicles1999-2000 Escalade 1990-1991 Brougham.For More Suitable Models,Please See the Detailed Description.. Premium QualityTested Certified to Meet or Exceed OEM Quality Standards.All Products are 100 Tested Before Leaving the Factory.Made of High Quality Material.. WarrantyThe Cylinder Head Bolt Kit come with 12 Month Warranty. Hassle-free Return and Refund Policy. Please Buy it with Your Confidence..

THIS IS BRAND NEW DNJ Head Bolt Kit. FITS 97-06 Isuzu, Chevrolet, GMC 4.8L-6.0L V8 OHV Naturally Aspirated LH6,LS1,LM4,-,L59,LM7. FITMENT NOTES One Set Services Complete Engine, w 1st Design, LR4, One Set Services Complete Engine. DNJ Engine Components is a full line provider of Domestic Japanese engine parts for cars and trucks.. We carefully selected DNJ Engine Components as the sole provider. DNJ has a 30 year track record of quality, experience, and trust. It makes sense for us to carry a brand that would help us earn customer loyalty in the long run.

Application The 12 point head studs with bolts kit is compatible with 98-02 CamaroFirebird F-Body. For 97-03 C5 Corvette. For 99-03 SilveradoSierra GM Trucks 4.8L, 5.3L, 6.0L.. Performance The PQY ls head studs are centerless ground and heat treated before thread rolling, are designed to maximize reliability and strength, with nominally rated 220K psi tensile strength.The M11 head stud is 80ftlbs ,the M8 head stud is 28ftlbs .. Mateiral The ls head studs bolts are made of iron with good ductility with black oxide finish, high temperature resistance .. Installation The 12-Point cylinder gasket head stud bolt kit is easy to install, direct replace the old rusted bolts, improve car performance ,a great replacement for your 5.3 ls head studs and 6.0ls head studs .. Package include 20 M11 Head Studs 10 M8 Head Studs 30 Parallel-ground Washers 30 12-point Nuts.If you find any head stud or bolt or washer is missing ,please contact us for help..

COMPATIBILITY Fits 2009-2010 Pontiac Vibe 2011-2017 Lexus CT200h 2009-2020 Toyota Corolla 2009-2014 Toyota Matrix 2010-2020 Toyota Prius 2012-2018 Toyota Prius V 2012-2015 Toyota Prius Plug-In 2017-2018 Toyota Corolla iM 2017-2020 Toyota Prius P. GET THE RIGHT PART -- Before purchasing, please check the Amazon Confirmed Fit bar to ensure this part will fit your vehicle enter all vehicle information year, make, model, engine and trim for compatibility and check qualifier notes. If the Amazon Confirmed Fit bar has an i in a blue circle, this product has additional notes. Please hover over the i on the bar to see notes before making your purchase. Meets or exceeds all original equipment specifications. Application specific design to ensure a perfect fit. Avoid risk associated with re-use of T-T-Y torque to yield head bolts. Validated for fit, form and function. Unsurpassed quality you can trust.

Direct Fit Replacement - Fits 1997 to current Chevrolet Gen IIILS 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 - Utilizing XOTIC 7200 material, these main studs offer superior tensile strength compared to standard 8740 chromoly steel. Rated at 220,000 psi tensile strength, these studs provide significantly enhanced clamping forces, surpassing those of standard bolts.. Easy Installation Broached stud ends allow for easier and more precise installation. Includes a detailed instruction manual with diagrams for a seamless setup.. Prevents Main Cap Shifting Main studs provide enhanced cap alignment, reducing the risk of main cap walking or shifting under extreme loads. Unlike bolts, studs remain stationary, offering better thread engagement and longevity.. Disclaimer Designed to secure crankshaft main bearing caps. This is NOT a head stud kit..

COMPATIBILITY Fits 2003-2003 Subaru Baja 2004-2006 Subaru Baja 1999-2003 Subaru Forester 2004-2004 Subaru Forester 2005-2010 Subaru Forester 1993-1997 Subaru Impreza 1995-2001 Subaru Impreza 1999-2003 Subaru Impreza 2004-2004 Subaru Impreza 200. GET THE RIGHT PART -- Before purchasing, please check the Amazon Confirmed Fit bar to ensure this part will fit your vehicle enter all vehicle information year, make, model, engine and trim for compatibility and check qualifier notes. If the Amazon Confirmed Fit bar has an i in a blue circle, this product has additional notes. Please hover over the i on the bar to see notes before making your purchase. Meets or exceeds all original equipment specifications. Application specific design to ensure a perfect fit. Avoid risk associated with re-use of T-T-Y torque to yield head bolts. Validated for fit, form and function. Unsurpassed quality you can trust.

ES72220, ES72390. Please Check the OEM Part Number and Make Sure Your Part Number Matches this Part Number Before Buying.. 2004 Silverado 2500 2010-2015 Camaro 2004-2013 Corvette 2004-2014 Express 1500Suburban 1500 2004-2020 Express 25003500 2010-2016 Express 4500 2004-2013 Silverado 1500Suburban 2500 2007 Silverado 15003500 Classic 2005-2006 Silverado 1500 HD 2004-2019 Silverado 2500 HD 2007 Silverado 1500 HD2500 HD Classic 2016-2019 Suburban 3500 HD and More.. Fit for GMC Vehicles2004 Envoy XLSierra 2500 2007 Sierra 15003500 Classic 2007 Sierra 1500 HD2500 HD Classic 2004-2014 Savana 1500 2004-2013 Sierra 1500Yukon XL 2500 2005-2006 Sierra 1500 HD 2004-2014 YukonYukon XL 1500 and More. Fit for Cadillac Vehicles2004-2014 Escalade 2009-2014 Escalade ESV 2009-2013 Escalade EXT.Fit for Buick Vehicles2008-2009 AllureLaCrosse 2004-2007 Rainier.. Engine Cylinder Head Bolts Hold the Cylinder Head in Place and Ensure that it Continues to be Stable Even When Subjected to Great Pressure in the Combustion Chamber,Our Bolts are Made of High Quality Metal for Strong Durability and Long Service Life. The Engine Cylinder Head Bolt Set come with 12 Month Warranty. Hassle-free Return and Refund Policy. Please Buy it with Your Confidence.. The Engine Cylinder Head Bolt Set come with 12 Month Warranty. Hassle-free Return and Refund Policy. Please Buy it with Your Confidence..

COMPATIBILITY Fits 2005-2006 Buick Terraza 1996-2005 Buick Century 1996-1996 Buick Regal 2002-2005 Buick Rendezvous 2006-2007 Buick Rendezvous 2005-2009 Chevrolet Equinox 2005-2006 Chevrolet Uplander 2000-2005 Chevrolet Impala 1996-2001 Chevrole. GET THE RIGHT PART -- Before purchasing, please check the Amazon Confirmed Fit bar to ensure this part will fit your vehicle enter all vehicle information year, make, model, engine and trim for compatibility and check qualifier notes. If the Amazon Confirmed Fit bar has an i in a blue circle, this product has additional notes. Please hover over the i on the bar to see notes before making your purchase. Meets or exceeds all original equipment specifications. Application specific design to ensure a perfect fit. Avoid risk associated with re-use of T-T-Y torque to yield head bolts. Validated for fit, form and function. Unsurpassed quality you can trust.

COMPATIBILITY Fits 2004-2008 Acura TSX 2006-2011 Acura CSX 2002-2006 Acura RSX 2003-2007 Honda Accord 2002-2011 Honda Civic 2002-2009 Honda CR-V 2003-2011 Honda Element. GET THE RIGHT PART -- Before purchasing, please check the Amazon Confirmed Fit bar to ensure this part will fit your vehicle enter all vehicle information year, make, model, engine and trim for compatibility and check qualifier notes. If the Amazon Confirmed Fit bar has an i in a blue circle, this product has additional notes. Please hover over the i on the bar to see notes before making your purchase. Meets or exceeds all original equipment specifications. Application specific design to ensure a perfect fit. Avoid risk associated with re-use of T-T-Y torque to yield head bolts. Validated for fit, form and function. Unsurpassed quality you can trust.

FunctionEngine Cylinder Head Bolts Hold the Cylinder Head in Place and Ensure that it Continues to be Stable Even When Subjected to Great Pressure in the Combustion Chamber,Our Bolts are Made of High Quality Metal for Strong Durability and Long Service Life. Cylinder Head Bolts are Easy To Install.. ReplacesES72220, ES72390.Please Check the OEM Part Number and Make Sure Your Part Number Matches this Part Number Before Buying. Compatible with Chevy2004 Silverado 2500 2010-2015 Camaro 2004-2013 Corvette 2004-2014 Express 1500Suburban 1500 2004-2020 Express 25003500 2010-2016 Express 4500 2004-2013 Silverado 1500Suburban 2500 2007 Silverado 15003500 Classic 2005-2006 Silverado 1500 HD 2004-2019 Silverado 2500 HD 2007 Silverado 1500 HD2500 HD Classic 2016-2019 Suburban 3500 HD and More.For More Suitable Models,Please See the Detailed Description.. Compatible with OtherFit for GMC Vehicles2004 Envoy XLSierra 2500 2007 Sierra 15003500 Classic 2007 Sierra 1500 HD2500 HD Classic 2004-2014 Savana 1500 2004-2013 Sierra 1500Yukon XL 2500 2005-2006 Sierra 1500 HD 2004-2014 YukonYukon XL 1500 and More.Fit for Cadillac Vehicles2004-2014 Escalade 2009-2014 Escalade ESV 2009-2013 Escalade EXT.Fit for Buick Vehicles2008-2009 AllureLaCrosse 2004-2007 Rainier.For More Suitable Models,Please See the Detailed Description.. WarrantyThe Engine Cylinder Head Bolt Set come with 12 Month Warranty. Hassle-free Return and Refund Policy. Please Buy it with Your Confidence..

12610046 LS3 6.0L 6.2L 5-Layer MLS Cylinder Head Gasket Pair with 2008 Head Bolts.. PACKAGE INCLUDED Multi Layer Steel Mls Head Gasket--2 Pcs, Head Bolts-30 Pcs. FITMENT Head Gasket Set fit for Chevy GMC Cadillac Pontiac with engine V8 - 6.0L 6.2L L9H L92 L94 L96 L76 L77 L99 LC8.. 5-Layer Head Gasket Multilayer Steel 4.110 bore, .072 compressed thicknessFits 2008-2020 6.0L and 6.2L LS-Based car and truckSUV engines.. Head sets contain gaskets and head Bolts necessary for a valve grind or head reconditioning jobApplication specific design to ensure a perfect fit and premium seal.. ChawYI gaskets provide 100 vehicle sealing with proprietary materials, giving you performance and durability with a sealing solution designed and engineered specifically for the repair environment..

COMPATIBILITY Fits 1964-1967 Gordon-Keeble GK1 1964-1967 Gordon-Keeble IT 1966-1968 Checker Aerobus 1969-1974 Checker Aerobus 1969-1974 Checker Taxicab 1969-1969 Checker Taxicab 1969-1970 Checker Deluxe 1969-1969 Checker Deluxe 1965-1969 Checker. GET THE RIGHT PART -- Before purchasing, please check the Amazon Confirmed Fit bar to ensure this part will fit your vehicle enter all vehicle information year, make, model, engine and trim for compatibility and check qualifier notes. If the Amazon Confirmed Fit bar has an i in a blue circle, this product has additional notes. Please hover over the i on the bar to see notes before making your purchase. Meets or exceeds all original equipment specifications. Application specific design to ensure a perfect fit. Avoid risk associated with re-use of T-T-Y torque to yield head bolts. Validated for fit, form and function. Unsurpassed quality you can trust.

COMPATIBILITY Fits 2011-2020 Ram 1500 2011-2018 Ram 2500 2014-2020 Ram 2500 2011-2016 Ram 3500 2014-2020 Ram 3500 2017-2018 Ram 3500 2016-2020 Ram 4500 2016-2020 Ram 5500 2017-2018 Ram 4000 2019-2020 Ram 1500 Classic 2005-2020 Chrysler 300 20. GET THE RIGHT PART -- Before purchasing, please check the Amazon Confirmed Fit bar to ensure this part will fit your vehicle enter all vehicle information year, make, model, engine and trim for compatibility and check qualifier notes. If the Amazon Confirmed Fit bar has an i in a blue circle, this product has additional notes. Please hover over the i on the bar to see notes before making your purchase. Meets or exceeds all original equipment specifications. Application specific design to ensure a perfect fit. Avoid risk associated with re-use of T-T-Y torque to yield head bolts. Validated for fit, form and function. Unsurpassed quality you can trust.

COMPATIBILITY Fits 1996-2001 Jeep Cherokee 1996-2004 Jeep Grand Cherokee 1997-2006 Jeep Wrangler 1997-2006 Jeep TJ. GET THE RIGHT PART -- Before purchasing, please check the Amazon Confirmed Fit bar to ensure this part will fit your vehicle enter all vehicle information year, make, model, engine and trim for compatibility and check qualifier notes. If the Amazon Confirmed Fit bar has an i in a blue circle, this product has additional notes. Please hover over the i on the bar to see notes before making your purchase. Meets or exceeds all original equipment specifications. Application specific design to ensure a perfect fit. Avoid risk associated with re-use of T-T-Y torque to yield head bolts. Validated for fit, form and function. Unsurpassed quality you can trust.

Meets or exceeds all original equipment specifications. Application specific design to ensure a perfect fit. Avoid risk associated with re-use of T-T-Y torque to yield head bolts. Validated for fit, form and function. Unsurpassed quality you can trust. CYLINDER HEAD BOLT SET.

Wide compatibilitySuitable for multiple Chevrolet, GMC, Cadillac, Buick, Hummer and other models, including the 2004-2020 Silverado 2500, Avalanche, Camaro, Sierra, Escalade, etc. please refer to the complete compatibility list for details.. Original replacement partsDirectly replace the original part numbers ES72390 and ES72220, including a complete bolt kit that matches the original vehicle installation position, without the need for additional modifications.. High quality material manufacturingUsing high-strength steel, high temperature resistance and corrosion resistance, suitable for engine cylinder head fastening requirements.. Package Included20 Pcs Long Bolts10 Pcs Small Bolts Engine Cylinder Head Bolt.. 1-year warranty and worry free after-sales service1-year warranty24-hour customer service - We provide a 1-year quality guarantee, and our professional customer service team responds within 24 hours to solve any problems for you..

Application The 12-point head studs bolts kit is for 2004-newer LS1 LS3 5.3L5.7L6.0L Engines,compatible with Chevy 2004-2019 LS1 LS6 L98 4.8L5.3L6.0L Engines.Replace part number is 234-4317.. Performance The PQY ls head studs are centerless ground and heat treated before thread rolling, are designed to maximize reliability and strength, with nominally rated 180K psi tensile strength. The M11 head stud torque is 70ftlbs , M8 head stud torque is 25ftlbs.. Material The ls head studs bolts are made of iron with good ductility with black oxide finish, high temperature resistance .Fastener Style is stud ,head style is 12-Point 12pt .. Installation The 12-Point cylinder gasket head stud bolt kit is easy to install, direct replace the old rusted bolts, improve car performance ,a great replacement for your 5.3 ls head studs and 6.0 ls head studs .. Package Included 10x M8 Stud,20x M11 Head Stud,30x Parallel-ground Washer,30x 12-Point Nut.If you find any head stud or bolt or washer is missing ,please contact us for help..

Replaces Part234-4317. While this is not genuine OEM part, it is a direct replacement.See below for the full vehicle compatible list.. Compatible with2004-Newer LS1 LS3 5.3L 5.7L 6.0L engines 2004-2019 Chevy LS1 LS6 L98 4.8L 5.3L 6.0L Engines. Package Includes10 M8 Studs20 M11 Head Studs30 Parallel-ground Washers30 12-point Nuts.Each cylinder head screw set is strictly manufactured to ensure zero defects-hardened and parallel ground washers are included with zero failures to ensure uniform load distribution and accurate torque readings.. Premium BuiltCylinder Head Stud Kit is made of 8740 high tensile strength chromoly steel strict quality testing. With professional processing technology the surface is treated with black oxide finish and the old or damaged cylinder head bolt kits can be directly replaced.. Lifetime WarrantyThe Cylinder Gasket Head Stud Bolt from KET comes complete with a lifetime warranty.If there is any problem with the product,please contact us and we'll solve it for you immediately..

For LSX LS2 LS3 LS6 CAMARO CORVETTE GM. 10BOLTS 10washer. Made of stainless steel. Easy installation.

Compatible With Chevrolet Gen III, Gen IV, and LS engines manufactured between 2004 and present. Primary head bolts must all have the same length. There is a Mid-Year split on the head bolts, if you have 2 different size head bolts this kit is NOT for YOU.. ULTRA STRENGTH In comparison to standard bolts, our alloy's material characteristics enable much higher tensile strength. For the best fatigue strength, threads are rolled after thermal treatment. A high-quality coating can improve corrosion resistance, reduce friction, and improve overall performance.. Premium?Quality The black oxide coating guards against deterioration.? Parallel washers that have been hardened enable precise torque measurements and uniform load distribution.. Easy Installation The XP981 kit also features a high-temperature coating that provides enhanced heat resistance. This helps to prevent the studs and nuts from becoming damaged or weakened due to high temperatures, which is especially important in high-performance diesel engines.. Torque capacity The bolts have the appropriate torque capacity to handle the high compression and cylinder pressures of these engines. Please note, when installing our product, the final torque for the 11mm bolts are 75 ft-lbs and NOT 85 ft-lbs as incorrectly noted on our manual..

Compatibility The 12-point cylinder head stud set is compatible with 1998-2002 CamaroFirebird F-Body, 1997-2003 C5 Corvette, and 1999-2003 SilveradoSierra GM Trucks equipped with 4.8L, 5.3L and 6.0L engines.. High Quality The Ls head studs bolts are made of high-strength automotive-grade steel. They undergo heat treatment before the thread rolling process and have a nominal tensile strength of 200,000 psi. The M11-head stud is 80 ft-lbs, the M8-head stud is 28 ft-lbs. Their surface is treated with black oxidation, which provides high-temperature resistance.. Key Benefits We will provide you with one of each - the long and short versions of the M11 head bolts - as spare parts.. Packing 16PCS long M11 head stud 4PCS short M11 head stud 10PCS M8 head stud 30PCS 12-point nuts 30X Parallel-ground washers.. Easy to Install This product is simple to use and easy to operate. It's designed for easy installation so you can quickly and easily replace your old mounting kit.. Tools Required Socket wrench set, Torque wrench, and Bolt grease or light oil..

OEM Part Number 5.36.0 LS Exhaust Manifold Bolt is for 551696. Fitment 5.36.0 Ls Header Bolts are Compatible With GM Chevrolet Chevy LS1 LS3 LS2 LSX LT Engines All GM LS LT series engines 1997-up. Material 5.36.0 LS Exhaust Manifold Bolts Hardware Kit is made of premium quality steel with High Strength Grade 10.9, strong and reliable, not easy to break or deform, can be used for a long time.. Size Grade 10.9 Automotive Bolt, M8 x 1.25 Thread x 25 mm, Anti-Corrosion Zinc Plated.. Easy to Install 5.36.0 Ls Header Bolts are simple to use and easy to operate. It's designed for easy installation so you can quickly and easily replace your old mounting kit..

Direct Fit Replacement - Fits selected 2004 Chevrolet Gen III IV LS 6.0L 4.8L 5.3L 6.2L Models. Do not purchase until you have verified primary head bolt lengths must all be the same length. Engineered to unleash more performance out of your vehicle. Centerless ground to assure perfect concentricity.. 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. Threads rolled after heat treatment for optimum fatigue strength. Ample clamping strength prevents cylinder heads from lifting.. 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 head bolts.. Kit Includes - 30x Heads Studs, 30x Nuts, 30x Hardened Parallel Washers, 2x Sockets, 2x Allen Wrench, 1x Fastener Assembly Lubricant Instruction Manual. Black oxide finish protects from wear and tear. Hardened parallel washers allow for uniform load distribution and accurate torque readings.. Worry-free Purchase -Rigorous quality inspections are undertaken to help ensure product standards..

Michigan Motorsports LS 2004-2014 LS Head Bolt Kit LS2 LS6 LQ4 LQ9 LY5 LY6 LM7 5.3 5.7 6.0 6.2. In early 2004, GM changed the head bolt design from various sizes to the new style which are all the shorter length.. Be sure to note which head bolts you need as GM used two different style LS head bolts. 1997-2003 heads used QTY 8 155mm Bolts, QTY 2 100mm bolts, and QTY 5 45mm bolts 2004-2014 heads used QTY 10 100mm bolts, and QTY 5 45mm bolts. Choose the option for enough fasteners for one or both cylinder heads. 2 Sets Needed per Engine.

Meets or exceeds all original equipment specifications. Application specific design to ensure a perfect fit. Avoid risk associated with re-use of T-T-Y torque to yield head bolts. Validated for fit, form and function. Unsurpassed quality you can trust.

Vehicles Fitment-1Compatible with Cadillac 2009-2015 CTS,2009-2014 EscaladeCompatible with Chevy 2007-2013 Avalanche,2010-2015 Camaro,2011-2017 Caprice,2010-2012 Colorado,2006-2013 Corvette,2009-2014 Express 1500,2009-2020 Express 2500,2009-2020 Express 3500,2010-2016 Express 4500,2016-2018 LCF,2007-2013 Silverado 1500,2009-2019 Silverado 2500,2009-2019 Silverado 3500,2014-2017 SS,2016-2017 Suburban,2007-2014 Suburban 1500,2009-2013 Suburban 2500,2007-2014 Tahoe.NoteBefore purchasing,please check the Amazon Confirmation of installation and description details page to verify the compatibility of this item with your vehicle.. Vehicles Fitment-2Compatible with GMC 2010-2012 Canyon,2009-2014 Savana 1500,2009-2020 Savana 2500,2009-2020 Savana 3500,2010-2016 Savana 4500,2007-2013 Sierra 1500,2009-2019 Sierra 2500,2009-2019 Sierra 3500,2007-2014 Yukon,2007-2014 Yukon Xl 1500,2009-2013 Yukon Xl 2500Compatible with Hummer 2009 H2,2010 H3,2010 H3TCompatible with Pontiac 2008-2009 G8.NoteBefore purchasing,please check the Amazon Confirmation of installation and description details page to verify the compatibility of this item with your vehicle.. Replaces Part NumbersHead bolts set replaces part numbers ES72220 ES72390 GS33449 11519772 12558840 11 51 9772 12 55 8840.Please check the part numbers whether it suits your vehicle before purchasing. Please check the part numbers whether it suits your vehicle before purchasing. Powerful functionEnsure that it continues to be stable even when subjected to great pressure in the combustion chamber,our bolts are made of high quality metal for strong durability and long service life.Cylinder head bolts are eeasy to install,direct replace the old rusted bolts, improve car performance. Service GuaranteeOTO-K offers a one-year warranty,eliminating your any concerns about potential issues.IF you have any other questions about our produvt,please contact us as soon as possible,we provide 24-hour online consultation and customer service with professional..

COMPATIBILITY Fits 1997-1999 Isuzu Hombre 2000-2000 Isuzu Hombre 2007-2007 Chevrolet Silverado 1500 Classic 1992-1992 Chevrolet Commercial Chassis 1985-2005 Chevrolet Astro 1995-2005 Chevrolet Blazer 1985-1986 Chevrolet C10 1988-1998 Chevrolet C1. GET THE RIGHT PART -- Before purchasing, please check the Amazon Confirmed Fit bar to ensure this part will fit your vehicle enter all vehicle information year, make, model, engine and trim for compatibility and check qualifier notes. If the Amazon Confirmed Fit bar has an i in a blue circle, this product has additional notes. Please hover over the i on the bar to see notes before making your purchase. Meets or exceeds all original equipment specifications. Application specific design to ensure a perfect fit. Avoid risk associated with re-use of T-T-Y torque to yield head bolts. Validated for fit, form and function. Unsurpassed quality you can trust.

Compatible with 1997-2003 Chevrolet LS LQ9 LS1 LS6 4.8L 5.3L 5.7L 6.0L Engines, 1997-2003 C5 Corvette, 1998-2002 CamaroFirebird F-Body, 1999-2003 SilveradoSierra GM Trucks 4.8L, 5.3L, 6.0L.. Package Includes 16long M11 head stud4short M11 head stud10M8 head stud20big nut with washer10small nut with washer.. Quality Standar Each cylinder head screw set is strictly manufactured to ensure zero defects-hardened and parallel ground washers are included with zero failures to ensure uniform load distribution and accurate torque readings.. Premium Built Cylinder Head Stud Kit is made of 8740 high tensile strength chromoly steel strict quality testing. With professional processing technology the surface is treated with black oxide finish and the old or damaged cylinder head bolt kits can be directly replaced.. Support For any questions or concerns regarding the head stud bolt, please inform us so we can resolve the issue.

Whether you have a stock LS motor or a highly modified LS motor, replacing your rockers with a true roller bearing setup is highly recommended. Michigan Motorsports' LS1 Rocker Arms with Trunnion Bearings Professionally Installed. LS1 Rocker Arms have been disassembled and new Trunion Bearings have been professionally installed. LS1 style bolts are included for installation.. These rocker arms are a must have for any aggressive heads and cam combo.. We utilize LS rocker arms and install new LS1 rocker arm retro-fit trunion kit that replaces the cageless, loose OEM needle bearings and powdered metal trunion with a premium 8620 steel alloy trunion and caged roller bearings for added durability.. The caged roller bearings that greatly reduce the possibility of the bearing failure experienced with stock LS1 needle bearings, which can send loose needles throughout the engine upon failure.. Fits all these applications LS1LS2LS6 LR4 Vortec 5300 LM7 L59 LM4 L33 4.85.35.76.0 Engines. Will not fit Rectangle PortLS3 Style heads.. 16 LS Series Rocker Arms with Roller Bearing Trunnion Upgrade Installed,16 High Strength Allen head bolts for LS Rockers.

Compatibility The cylinder head screw set is compatible with Chevy Chevrolet 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017 2018 LS1 LS6 4.8L 5.3L 5.7L 6.0L engines. Forging ProcessThe bolts are cold forged to ensure molecular integrity and heat treated before thread rolling and machining, with a nominal rating of 200,000 psi.. Quality StandardEach cylinder head screw set is strictly manufactured to ensure zero defects-hardened and parallel ground washers are included with zero failures to ensure uniform load distribution and accurate torque readings.. FeaturesThe 12-point cylinder head and large-area flange eliminate the valve mechanism disassembly required for cylinder head torsion, and allow the use of larger diameter valve springs, providing more stretch to eliminate cylinder head gasket failure to compensate for gasket failure Extra compression.. Installation SuggestionsProduct installation involves the engine, the internal structure of the engine is complex, it is recommended to operate under professional installation.

Fits mid-2004 and Newer GM LS GEN III engines with all same length head bolts.. Hardness level12.9. Made of high-quality steel. Surface treatment for corrosion resistance.

IDEAL FOR ENGINE REPAIR when changing the cylinder heads or head gaskets. SEALS CYLINDER HEADS PROPERLY at a bargain price. FITS 2004-2014 GM LS ENGINES including 4.8, 5.3, 6.0, 6.2 and others. MADE IN USA with high quality materials and assembly.

COMPLETE ENGINE BOLT KIT Comprehensive set of main bolts and studs specifically designed for LS engine series including 4.8L, 5.3L, 5.7L, 6.0L, and 6.2L variants LS1, LS2, LS3, LQ4, LM7, LC9, LR4, L96, L76. WIDE COMPATIBILITY Fits 1997 to 2013 model year LS engines, providing a direct replacement solution for worn or damaged original hardware during engine rebuilds and maintenance. HIGH-STRENGTH CONSTRUCTION Manufactured from Grade 10.9 high-hardness steel material, ensuring superior tensile strength and durability to withstand extreme engine operating conditions and high torque applications. PRECISION ENGINEERED Each bolt and stud is precision-machined to exact OEM specifications for proper fitment, reliable clamping force, and optimal engine performance. COMPREHENSIVE SET Includes black oxide coated main bolts and zinc-plated studs in various lengths to accommodate all main bearing cap positions for complete engine assembly.

Direct Fit - The kit is designed specifically for GM Gen III IV LS 4.8L 5.3L 6.0L 6.2L Engines, offering a perfect fit that is tailored to your engine's needs. The precision fit of this kit ensures maximum holding power and a seamless installation process.. Ultra Strength - The high-strength 8740 chrome plated steel construction and corrosion-resistant black oxide coating make this bolt exceptionally durable and capable of withstanding even the toughest conditions. No matter the driving environment, you can trust this bolt to provide reliable performance for years to come.. Optimized Performance - Optimized Engine Performance A harmonic balancer is an essential component of your engine that helps to reduce vibrations and keep your engine running smoothly. The 200,000 psi rating of this harmonic balancer bolt provides superior holding power, ensuring that your engine runs at peak performance and delivers optimal efficiency.. Easy Installation - Installing a new harmonic balancer bolt can be a daunting task, but this kit makes it simple and easy, even for those with limited mechanical experience. The comprehensive installation manual and 12-point high head design make installation a breeze, allowing you to get back on the road quickly.. Kit Includes - The kit includes everything you need for a successful installation, including a socket, lubricant, balancer bolt, and hardened parallel washer. With this kit, you can be confident that you have all the necessary components for a smooth and successful installation..

COMPATIBILITY Fits 2013-2021 Buick Encore 2014-2016 Cadillac ELR 2011-2016 Chevrolet Cruze 2011-2015 Chevrolet Volt 2012-2020 Chevrolet Sonic 2013-2021 Chevrolet Trax 2016-2016 Chevrolet Cruze Limited. GET THE RIGHT PART -- Before purchasing, please check the Amazon Confirmed Fit bar to ensure this part will fit your vehicle enter all vehicle information year, make, model, engine and trim for compatibility and check qualifier notes. If the Amazon Confirmed Fit bar has an i in a blue circle, this product has additional notes. Please hover over the i on the bar to see notes before making your purchase. Meets or exceeds all original equipment specifications. Application specific design to ensure a perfect fit. Avoid risk associated with re-use of T-T-Y torque to yield head bolts. Validated for fit, form and function. Unsurpassed quality you can trust.

FITFor GM LS1 LS6 3-Bolt Throttle by Cable Engines98-02 Camaro, Firebird, Trans Am 04 GTO.. FUNCTIONInclude most external engine fasteners, except the accessory bolts.. ADVANTAGESSocket head bolt kits are easy to install, more durable and corrosion resistant than OEM, and look exceptional to boot. INCLUDES8Body MountsM04060-018Body MountsM04060-022Body MountsM033068Small Steel MountsS225458Large Steel MountsS223192WashersS10126.. SUPPORTAt PTNHZ, if you have any question about our product, please contact us right away, we can handle any problems..

Direct Fit Replacement Compatible with Chevrolet 1997-2003 LS LQ9 LS1 LS6 4.8L 5.3L 5.7L 6.0L Engines, 1997-2003 C5 Corvette, Compatible with CamaroFirebird 1998-2002 F-Body, 1999-2003 SilveradoSierra, Compatible with GM Trucks 4.8L, 5.3L, 6.0L, Powerstroke models, this part is engineered to enhance your vehicles performance. Designed to maximize your vehicles performance.Please refer to the vehicle compatibility list above for accurate fitment.. Easy Installation Broached stud ends make installation and cylinder head removal effortless. The included manual, with detailed diagrams, simplifies the process. These head studs are built to maintain cylinder seals even in high-pressure turbo systems, offering clamping forces far exceeding standard head bolts.. Kit IncludesThe package comes with 10 main bolts, specifications M81.25M81, length65 mm 4 main bolts, thread M112, length131 mm16 locating bolts, thread M112, length 186 mm10 hex nuts, diameter 153, length 9 mm 20Hex nuts 193 Length 10 mm 10Washer 148.22.620Flange washer 2411.43.31Lubricating grease 1ManualAll parts feature a black oxide finish for enhanced wear resistance, while the washers ensure uniform load distribution and precise torque readings.. ULTRA STRENGTHManufactured from 42CrMo material, these head studs deliver superior tensile strength, far surpassing 8740 chromoly steel studs with a rating of 220,000 psi. Threads are rolled post-heat treatment to maximize fatigue resistance, ensuring sufficient clamping force to prevent cylinder head lifting.. Optimum DesignAt SPELAB, we prioritize exceptional quality, with comprehensive inspections to ensure the highest level of product performance. This kit is backed by a lifetime warranty, covering replacement in case of manufacturing defects, providing peace of mind and long-term protection for your vehicle..

8 x 8mm GM LS series Rocker Arm Bolts - Manufactured to OE specification,factory inspected,fully fit original car, reliable quality, durability. Specification - Grade Rating Grade 12.9, Half thread, Thread Length 45mm, Total Length includes head 53mm, Rocker Arm Replace Part Number10214664. Fits - This 8mm LS1 Allen head Rocker Arm Bolts Kit Compatible with LQ4 LQ9 LS1 LS2 LS6 LY5 LY6 LM7 5.3L 6.0L 5.7L Engines. Material - 35CrMoA alloy steel, The one-piece design ,don't need a separate washer, more efficient and easier to use, greater strength, and significantly improved wear and corrosion resistance. When - The bolts are overloaded, the material does not meet the requirements, loose or corroded, timely replacement, ensure the reliability and safety of the connection. Premium Support - Easy to reach customer service, we focus on product quality and customer service, our customer service is first-rate.

Direct Fit ReplacementCompatible with Chevy 2004-2004 small block Gen IIIIV LS-based engines 5.7L350, 2004-2014 5.3L325, 2004-2017 LS-based engines 4.8L294, 2004-2019 LS-based engines 6.0L364, 2006-2015 LS-based engines 7.0L427, 2008-2017 LS-based engines 6.2L376, this part is engineered to enhance your vehicles performance. Designed to maximize your vehicles performance.. Installation reminder Place the washers over the studs and onto the dry, clean spot faces of the cylinder head.The stamped side of the washer goes down against the cylinder head. This stamped surface grips the cyinder head preventing the washer from spinning while the nut is belng torqued. The result is accurate and consistent clamp load.NOTE If you have 2 different sized body bolts, it will not fit. Kit Includes The Cylinder Head Bolts kit contains 10Main double-headed bolts 20Main double-headed bolts 10Small washers 20Patterned washers 20Plum blossom nuts 1 large 10Plum blossom nuts 2 small 1Lubricating grease 1Neutral instruction manual. The head stud kit black oxide finish provides extra protection against wear and tear, while hardened parallel washers ensure uniform load distribution and precise torque readings.. ULTRA STRENGTH Manufactured from 42CrMo material, these head studs deliver superior tensile strength, far surpassing 8740 chromoly steel studs with a rating of 220,000 psi. Threads are rolled post-heat treatment to maximize fatigue resistance, ensuring sufficient clamping force to prevent cylinder head lifting.. Optimum DesignAt SPELAB, we prioritize exceptional quality, with comprehensive inspections to ensure the highest level of product performance. This kit is backed by a lifetime warranty, covering replacement in case of manufacturing defects, providing peace of mind and long-term protection for your vehicle..

Direct Fit Replacement Compatible with Chevrolet LS Gen IIIIV except LS7. 1997-2004 small block Gen IIIIV LS-based engines 5.7L350, 1999-2017 LS-based engines 4.8L294, 1999-2017 LS-based engines 6.0L364, 2001-2014 LS-based engines 5.3L325, 2008-2017 LS-based engines 6.2L376, this part is engineered to enhance your vehicles performance. Designed to maximize your vehicles performance.Please refer to the vehicle compatibility list above for accurate fitment.. Direct Fit Replacement Compatible with models, this part is engineered to enhance your vehicles performance. Designed to maximize your vehicles performance.Please refer to the vehicle compatibility list above for accurate fitment.. Kit Includes The Cylinder Head Bolts kit contains 1Plum blossom bolt 16MM, thread M162, length 135MM 1Washer 5016.27MM 1Lubricating grease 1Neutral instruction manual. The head stud kit black oxide finish provides extra protection against wear and tear, while hardened parallel washers ensure uniform load distribution and precise torque readings.. ULTRA STRENGTH Manufactured from 42CrMo material, these head studs deliver superior tensile strength, far surpassing 8740 chromoly steel studs with a rating of 220,000 psi. Threads are rolled post-heat treatment to maximize fatigue resistance, ensuring sufficient clamping force to prevent cylinder head lifting.. Optimum DesignAt SPELAB, we prioritize exceptional quality, with comprehensive inspections to ensure the highest level of product performance. This kit is backed by a lifetime warranty, covering replacement in case of manufacturing defects, providing peace of mind and long-term protection for your vehicle..

Michigan Motorsports LS3 6.0L 6.2L MLS Cylinder Head Gasket Pair with 2004 Head Bolts. LS3 6.0L 6.2L MLS Cylinder Head Gasket Pair with 2004 Head Bolts. LS3 5-Layer Head Gasket Multilayer Steel 4.100 bore, .051 compressed thickness. Great economical upgrade for 6.0L LS2 LQ4 LQ9 engines which came with a 3 layer gasket from the factory. Made by the same source as the OEM GM 12610046 head gaskets. Includes 2 Head Gaskets and stock replacement Bolts for both heads Bolts fit 2004-later LS based heads where all 10 of the larger bolts on each head are the same length. Fits 2004-2013 6.0L and 6.2L LS-Based car and truckSUV engines LS3 L99 L76 L92 L96 LY6 LS2 LQ4 LQ9 L9H L94 L77.

ARP Oil Pan Bolt Kit GM LS-Series PN 134-6901. Package Dimensions 0.254 H x 23.876 L x 13.97 W centimeters. Package Weight 0.5 pounds. Oem equivalent part number 134-6901.

Included components as shown in product images. Speedmaster creates unique and distinctive DNA items inspired by the blend of old and new technology. Its empowered work forced drives innovation not only in the products it sells but with the way it goes about doing it.. TRACK PROVEN - Surviving the longevity of road, race and recreation is mandatory for all Track Proven products, Bringing you closer to product perfection.. 12-Month Limited Worldwide Warranty.

Grade 10.9 bolts. Heavy duty, high strength. Zinc coated for long lasting corrosion protection and prevents threads from seizing. No washers needed with these flanged headed JIS spec bolts. Metric flange bolts.

Compatibility The cylinder head screw set is compatible with CamaroFirebird F-Body 98-02. Compatible with Corvette C5 97-03. Compatible with Silverado 99-03. Forging ProcessThe bolts are cold forged to ensure molecular integrity and heat treated before thread rolling and machining, with a nominal rating of 200,000 psi.. Quality StandardEach cylinder head screw set is strictly manufactured to ensure zero defects-hardened and parallel ground washers are included with zero failures to ensure uniform load distribution and accurate torque readings.. FeaturesThe 12-point cylinder head and large-area flange eliminate the valve mechanism disassembly required for cylinder head torsion, and allow the use of larger diameter valve springs, providing more stretch to eliminate cylinder head gasket failure to compensate for gasket failure Extra compression.. Installation SuggestionsProduct installation involves the engine, the internal structure of the engine is complex, it is recommended to operate under professional installation.

Manufacturer Part Number and Warranty MA-4216910034, ES72390, BTR00568If there is any problem with the product,please contact us and we'll solve it for you immediately.. FitmentHead Bolts Compatible with 2004-2011 ChevyGMCCadillacHummerBuick models e.g., Silverado, Tahoe, Escalade, Suburban with 4.8L5.3L5.7L6.0L6.2L engines verify 2nd design head bolt configuration before purchase.. NoteThese engines have two different designs for the head bolts. 1st design head bolts have 16 Long Bolts 150mm, 4 Short Bolts 100mm, 10 Small Bolts 45mm. 2nd design head bolts have 20 Long Bolts 100mm, 10 Small Bolts 45mm. This kit ONLY FITS engine with 2ND DESIGN HEAD BOLTS 20 long bolts 100mm, 10 small bolts 45mm. Please double check your engine head bolts to make sure this kit will fit your engine before making the purchase.. FunctionThe cylinder head bolts hold the cylinder head in place and ensure that the cylinder head will continue to hold up despite the tremendous amounts of pressure in the combustion chamber. Therefore the cylinder head bolts are important part of your engine. They should always be in perfect condition and should be maintained properly. So, if you notice that this part is showing signs of excessive wear, have them replaced immediately.. Package Includes30 Cylinder Head Bolts 20 Long Bolts 100mm, 10 Small Bolts 45mm.

2004 Newer GM LS Engines. OE-Style. Torque-To-Yield Style Bolts. Sold as a Set for 2 Cylinder Heads These bolts are torque-to-yield type fasteners designed for single use. They must not be reused because they won't stretch the same way or seal correctly..

COMPATIBILITY Fits 1972-1974 Excalibur Phaeton 1975-1979 Excalibur Phaeton 1980-1991 Chevrolet B60 1980-1985 Chevrolet B60 1993-1998 Chevrolet B7 1994-1998 Chevrolet B7 1965-1969 Chevrolet Biscayne 1966-1969 Chevrolet Biscayne 1968-1969 Chevrole. GET THE RIGHT PART -- Before purchasing, please check the Amazon Confirmed Fit bar to ensure this part will fit your vehicle enter all vehicle information year, make, model, engine and trim for compatibility and check qualifier notes. If the Amazon Confirmed Fit bar has an i in a blue circle, this product has additional notes. Please hover over the i on the bar to see notes before making your purchase. Meets or exceeds all original equipment specifications. Application specific design to ensure a perfect fit. Avoid risk associated with re-use of T-T-Y torque to yield head bolts. Validated for fit, form and function. Unsurpassed quality you can trust.

LS HEADER STUD KIT BOLTS STAINLESS STEEL LSX LS2 LS3 LS6 LS7 4.8 5.3 6.0 6.2L. Fits GEN III, IV LSX LS1 LS2 LS3 LS6 LS7 Chevy V8 Engines.. Fits GEN III, IV LSX 4.8 5.3 6.0 6.2L Vortec Truck Engines.. Hardened 304 Stainless Steel. 12 M8 Studs polished 12 M8 Hex Locking Flange Nuts.

Compatible model 551652 Bell Housing Bolts Set Kit Suitable for 4L60 4L60e 4L80 4L80e 6L80 T56 LS1 LS2 LS3 LS6 LQ4 LQ9 L33 L82 L83 L84 L86 L87 L92 L99 LT1 LR4 L8B TH350 TH400 700R4 551652 and more. High Quality The bell jar bolt is made of high-strength 10.9 Carbon Steel and Zinc coated, which has the characteristics of high hardness, high strength, high toughness, wear resistance, which will provide long-lasting corrosion protection against thread seizure.. Package Includes Includes 12Pcs flange bolts for spares so you can easily complete the replacement. Easy installation No washers needed with these flanged headed JIS spec bolts. Rust Prevention Treatment The surface of the bellows bolt has been treated with high-strength galvanization, which improves the corrosion and rust resistance of the product and provides a long service life..

Meets or exceeds all original equipment specifications. Application specific design to ensure a perfect fit. Avoid risk associated with re-use of T-T-Y torque to yield head bolts. Validated for fit, form and function. Unsurpassed quality you can trust. Fit type Vehicle Specific.

ARP Header Bolt Kit GM LS-Series PN 134-1102. Part number ARP-134-1102. Fit type Vehicle Specific. Package Weight 0.6 pounds.

ARP Cylinder Head Bolt Kit Small Block Chevy PN 134-3601. Part number 1343601. Package Weight 5.0 pounds. Fit type Vehicle Specific.

Chevy LS 2004 and Later. 12-Point Head. Black Oxide Finish Speedmaster cylinder head fasteners are made from aircraft quality 8740 high tensile strength chromoly steel and cold-forged to ensure molecular integrity. They are heat-treated prior to thread rolling and machining and are rated at a whopping 190,000 psi. All kits come complete with 12 point nuts and hardened parallel washers for an even load distribution and accurate torque readings..

Head Bolt Kit - 12pt GM LS 04 Later.

OEOEM Part Number MA-4216910034,ES72390,BTR00568. Vehicle Fitment Compatible with 2004-2011 ChevyGMCCadillacHummerBuick models e.g., Silverado, Tahoe, Escalade, Suburban with 4.8L5.3L5.7L6.0L6.2L engines verify 2nd design head bolt configuration before purchase.. Function Replaces worn or stretched cylinder head bolts to ensure proper engine sealing, prevent leaks, and maintain optimal compression for reliable performance.. Material Durability Constructed from high-strength carbon alloy steel for resistance to corrosion, fatigue, and high-temperature engine environments.. Package Include 30pcs cylinder head bolts 20x 100mm long bolts, 10x 45mm small bolts. Please check for the details to make sure this part will fit..

Material ARP2000 alloy steel for superior tensile strength. Tensile Rating Up to 220,000 psi. Head Style Hex head bolts for easy torque application. Finish Black oxide coating for corrosion resistance. Includes Complete set of bolts and hardened washers.

SB CHEVY DART LS NEXT 23-BOLT HEAD STUD KIT. Part number 234-4341. Fit type Vehicle Specific. Package Weight 3.35 pounds.

New. Item Package Dimension 5.7086614115L x 3.8976377913W x 0.5905511805H inches. Item Package Weight - 0.36596735492 Pounds. Item Package Quantity - 1. Product Type - POWERSPORTS VEHICLE PART.

Item Package Dimension 8.661417314L x 4.1338582635W x 2.3228346433H inches. Item Package Weight - 5.5225796631 Pounds. Item Package Quantity - 1. Product Type - BOLTS.

For Pressed-On Harmonic Balancers Harmonic balancer tool is designed for pressed-on harmonic balancers with a single center retainer bolt Uses 3 jaw puller arms with significant bite to grip and remove spoke-style pressed-on harmonic balancers. Wide Application Crankshaft harmonic balancer puller designed for use with Model GM 2000 Generation II Cadillac 1988 - Newer, Chevrolet Trucks 2003 - Newer, Chrysler 1990, Ford 1995 - Newer, and Mitsubishi Eclipse 1995. Easy To Use Unique spring-loaded jaws hold the legs in place when positioning the harmonic balancer removal tool, making removing and reinstalling the harmonic balancer a relatively simple and inexpensive process. Instructions Aand Storage Case Included Our harmonic balancer pulley removal tool comes with easy-to-follow instructions and a durable blow-molded carrying case Easily take this harmonic balancer puller set from job to job. Product Specifications Includes Puller Body, 3-Jaw Puller, 3 Jaw Retaining Pins, 3 Wave Washers, 4 Pressure Screw Adapter Rods 4, 5-1332, 6-12, and 7-1332 Blow-Molded Carrying Case.

Bolts fit 1997-2003 LS Head Bolt Kit LS1 LS6 LQ4 LQ9 LM7 4.8 5.3 5.7 6.0. These are the stock-replacement cylinder head bolts that are torque-to-yield and are built to the same specs as GM 12498545. These are the Gen-3 design that use three different bolt lengths and were used by GM from 1997 through mid-year 2004.. QTY 8 155mm Bolts, QTY 2 100mm bolts, and QTY 5 45mm bolts 2004-2014 heads used QTY 10 100mm bolts, and QTY 5 45mm bolts. These cannot be reused after being torqued down because they stretch when torqued. Choose the option for enough fasteners for one or both cylinder heads. 2 Sets Needed per Engine.

Complete Cylinder Head Stud Set. Black Oxide Finish. 180,000 PSI Tensile Strength. 8740 Chromoly Construction. Brand New In Original Box, Never Been Tried On Used. Fit Type Vehicle Specific.

LS 1997-2003 LS Head Bolt Kit LS1 LS6 LQ4 LQ9 LM7 4.8 5.3 5.7 6.0. These are the stock-replacement cylinder head bolts that are torque-to-yield and are built to the same specs as GM 12498545. They are the Gen-3 design that use three different bolt lengths and were used by GM from 1997 through mid-year 2004.. 1997-2003 heads used QTY 8 155mm Bolts, QTY 2 100mm bolts, and QTY 5 45mm bolts 2004-2014 heads used QTY 10 100mm bolts, and QTY 5 45mm bolts 2 Sets Needed per Engine These cannot be reused after being torqued down because they stretch when torqued.. Choose the option for enough fasteners for one or both cylinder heads. 2 Sets Needed per Engine.