{"title":"Head Studs","description":null,"products":[{"product_id":"1998-5-present-24v-cummins-clamp-lock-head-stud-kit-full-send-diesel","title":"Full Send Diesel 1998.5-Present 24V Cummins Clamp Lock Head Stud Kit","description":"\u003cp\u003eEnsure your head of your Cummins stays clamped to your block with a set of Full Send Diesel Clamp Lock Head Stud Kit. This head stud kit is verified and tested to 225,000 PSI ensuring that your head stays down and your head gasket does not fail.\u003c\/p\u003e\n\u003cp\u003eEach stud is tested in a range of 222778 PSI to a whopping 250,190 PSI with the average stud being 228,579 PSI. These studs are recommended for stock trucks all the way up to 800hp.\u003c\/p\u003e\n\u003cp\u003eLike all FSD products these studs are backed by our lifetime workmanship warranty. This means if you have any issues installing your studs we will send replacements free of charge.\u003cbr\u003e\u003cstrong\u003eFeatures:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e1998.5- Present 24V Cummins Clamp Lock Head Stud Kit\u003c\/li\u003e\n\u003cli\u003e225,000 PSI Tensile Strength (Lab Tested)\u003c\/li\u003e\n\u003cli\u003eMade From High Quality Heat Treated Chromoly\u003c\/li\u003e\n\u003cli\u003e12 Point Coated Nuts and Flat Washers\u003c\/li\u003e\n\u003cli\u003eStud Lube Included\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Full Send Diesel","offers":[{"title":"Default Title","offer_id":47737661784213,"sku":"FSD-24VCLHDSTDKT-JKCK","price":459.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0593\/0585\/3077\/files\/FSD-24VCLHDSTDKT-JKCK.jpg?v=1787004720"},{"product_id":"xdp-x220-series-head-stud-kit-xd3014hs","title":"XDP X220 Series Head Stud Kit XD3014HS","description":"\u003cp\u003ePurchase the XDP X220 Series Head Stud Kit XD3014HS for your 1989-1998 Dodge 5.9L Diesel 12-Valve engine. Upgrading the OEM head bolts is a must when adding horsepower and torque to your diesel-powered Dodge Ram.\u003c\/p\u003e \u003cp\u003eThe OEM bolts typically can't handle the additional pressure from high-performance applications which can lead to the cylinder head lifting. Upgrading to studs helps keep your cylinder head locked down and avoid head gasket failures.\u003c\/p\u003e \u003cp\u003eThis XDP head stud kit is constructed from high-quality 8740 Chromoly Steel construction that also includes a proprietary element added for upgraded strength and durability. The threads are rolled after heat-treating to deliver optimum fatigue strength. These studs are rated at 225K-233K psi tensile strength and 205K-215K yield strength to ensure a strong hold under higher combustion pressures.\u003c\/p\u003e \u003cp\u003eUpgrading from head bolts to studs also allows you to obtain a much more accurate torque reading. A conventional bolt gets twisted as it is tightened, so it's reacting to two different forces at the same time.\u003c\/p\u003e \u003cp\u003eWith a stud the force gets applied to the vertical axis, resulting in a more even clamping force. Furthermore, they provide for easier engine assembly and proper alignment of the cylinder heads every time. Unlike OEM Torque-To-Yield (TTY) bolts which must be replaced after each use, these studs are reusable.\u003c\/p\u003e \u003cp\u003eIncluded with the stud kit 12-point nuts and washers. Assembly lubricant sold separately.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eFeatures:\u003c\/strong\u003e\u003c\/p\u003e \u003cul\u003e \u003cli\u003eIncludes Washers \u0026amp; 12 Point Nuts\u003c\/li\u003e \u003cli\u003eYield Strength 205K psi - 215K psi\u003c\/li\u003e \u003cli\u003eTensile Strength 225K psi - 233K psi\u003c\/li\u003e \u003cli\u003eWill Not Stretch Like The Factory Studs\u003c\/li\u003e \u003cli\u003eThread Has Been Rolled After Heat Treatment\u003c\/li\u003e \u003cli\u003eHigh-Strength 8740 Chromoly Steel Construction\u003c\/li\u003e \u003cli\u003e10mm Studs Test Out At A Max Load: Over 120KN\u003c\/li\u003e \u003cli\u003eStuds Are Reusable, Unlike Torque-To-Yield (TTY) Bolts Which Much Be Replaced After Each Use\u003c\/li\u003e \u003c\/ul\u003e \u003cp\u003eTech Tips:\u003cbr\u003e\u003cstrong\u003eXDP Thread Cleaning Chasers (Sold Separately):\u003c\/strong\u003e\u003cbr\u003eThe XDP Thread Cleaning Chasers XD40125TC (For Head Studs) \u0026amp; XD40128TC (For Rocker Arm Pedestal Bolts) are an excellent add-on that should be used prior to installation of this kit. Using Thread Cleaning Chasers ensures that you are able to properly clean the threads in your engine block before the installation and torquing of the head studs. Clean threads will provide you with accurate torque readings which are critical during your head gasket repair, or engine build.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eXDP X-TRA Slick Engine \u0026amp; Fastener Assembly Lubricant (Sold Separately):\u003c\/strong\u003e\u003cbr\u003eThe use of XD541 is highly recommended during engine assembly. Apply XDP X-TRA Slick Lubricant to head studs, head bolts, main studs, main bolts, connecting rod bolts, and any other fasteners used during engine assembly. Using a proper assembly lubricant during fastener installation reduces friction and torque pre-load scatter in the torquing sequence, while also helping to prevent thread galling and seizing.\u003c\/p\u003e","brand":"XDP Xtreme Diesel Performance","offers":[{"title":"Default Title","offer_id":47847847985301,"sku":"XD3014HS-HVCD","price":439.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0593\/0585\/3077\/files\/XD3014HS-HVCD.jpg?v=1787869997"},{"product_id":"ppe-head-stud-kit-ram-5-9l-6-7l-24v-cummins-1998-5-2025-high-yield","title":"PPE Head Stud Kit - RAM 5.9L\/6.7L 24V Cummins 1998.5-2025 - High Yield","description":"\u003cp\u003eFor engine builders who demand the highest level of strength and precision in their fasteners, the PPE High Yield Head Stud Kit is the ultimate solution for high-performance diesel engines.\u003c\/p\u003e \u003cp\u003eWith an independently tested and verified tensile strength of over 288,000 PSI, and yield strength over 254,000 psi, these studs simply outperform any competition out there. Each stud is heat treated before being centerless ground and thread rolled, which effectively reduces stress concentration and results in a much higher fatigue resistance. Broaching of studs is performed via EDM to ensure top-level precision. All studs and nuts come with a oxide finish.\u003c\/p\u003e \u003cp\u003eEach kit comes complete with everything you need for installation, including assembly grease packet for uniform load distribution and accurate torque readings.\u003cbr\u003e\u003cstrong\u003eFeatures:\u003c\/strong\u003e\u003c\/p\u003e \u003cul\u003e \u003cli\u003eHead Stud Kit - RAM 5.9L\/6.7L 24V Cummins 1998.5-2025 - High Yield\u003c\/li\u003e \u003cli\u003eBuilt to meet high-performance and extreme-performance applications\u003c\/li\u003e \u003cli\u003eTensile strength exceeding 288,000 PSI\u003c\/li\u003e \u003cli\u003eEnhanced cylinder head clamping force\u003c\/li\u003e \u003cli\u003eHeat treated before thread rolling\u003c\/li\u003e \u003cli\u003eManufactured to top-level standards, including EDM broaching\u003c\/li\u003e \u003c\/ul\u003e","brand":"Pacific Performance Engineering","offers":[{"title":"Default Title","offer_id":47847873642645,"sku":"218034350-HFTD","price":1214.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0593\/0585\/3077\/files\/218034350-HFTD.jpg?v=1787870031"},{"product_id":"xdp-x220-series-head-stud-kit-xd3004hs","title":"XDP X220 Series Head Stud Kit XD3004HS","description":"\u003cp\u003eReplace the OEM head bolts in your 2008-2010 Ford 6.4L Powerstroke with the XDP X220 Series Head Stud Kit XD3004HS. Upgrading to these head studs helps avoid the common head gasket failure issues that arise when you start adding more horsepower and torque to your Super Duty.\u003c\/p\u003e \u003cp\u003eThe 8740 Chromoly Steel construction with an added proprietary element is more durable and will not stretch like the factory bolts. The threads are rolled after heat-treating to provide optimum fatigue strength.\u003c\/p\u003e \u003cp\u003eThese heavy-duty, reusable head studs are rated at 225,000+ psi tensile strength and 205,000+ yield strength to ensure better clamping force under higher combustion pressures to help prevent a lifted cylinder head or a failed head gasket.\u003c\/p\u003e \u003cp\u003eIn addition to the increased strength, replacing the factory head bolts with studs also allows you to obtain a more precise torque reading. A conventional bolt gets twisted as it is tightened, so it's reacting to two different forces at the same time.\u003c\/p\u003e \u003cp\u003eWith a stud the force gets applied to the vertical axis, resulting in a more even clamping force. These studs are a must-have for high-horsepower applications and are reusable, unlike the OEM Torque-To-Yield (TTY) bolts which must be replaced after each use.\u003c\/p\u003e \u003cp\u003eAnother benefit of studs is they provide for easier engine assembly and proper alignment of the cylinder heads every time. For a hassle-free installation, each set includes installation instructions. Assembly lubricant sold separately.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eFeatures:\u003c\/strong\u003e\u003cbr\u003eIncludes Washers \u0026amp; 12 Point Nuts\u003cbr\u003eYield Strength 205K psi - 215K psi\u003cbr\u003eTensile Strength 225K psi - 233K psi\u003cbr\u003eThreads Rolled After Heat Treatment\u003cbr\u003eReusable Studs, Unlike TTY OEM Bolts\u003cbr\u003e10mm Studs Test Out At Max Load Of Over 120KN\u003cbr\u003e8740 Chromoly Steel Construction With Added Proprietary Element\u003c\/p\u003e \u003cp\u003eTech Tips:\u003cbr\u003e\u003cstrong\u003eXDP Thread Cleaning Chasers (Sold Separately):\u003c\/strong\u003e\u003cbr\u003eThe XD40127TC (for head studs) and XD40128TC (for inner row bolts) are a great add-on that will be critical during installation. Thread Cleaning Chasers are an excellent tool to have on-hand to ensure you have properly cleaned the threads in your engine block before the installation of any fasteners. Clean threads provide accurate torque readings and will help give you peace of mind during your engine build or head gasket repair.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eXDP X-TRA Slick Engine \u0026amp; Fastener Assembly Lubricant (Sold Separately):\u003c\/strong\u003e\u003cbr\u003eThe use of XD541 is highly recommended during engine assembly. Apply XDP X-TRA Slick Lubricant to head studs, head bolts, main studs, main bolts, connecting rod bolts, and any other fasteners used during engine assembly. Using a proper assembly lubricant during fastener installation reduces friction and torque pre-load scatter in the torquing sequence, while also helping to prevent thread galling and seizing.\u003c\/p\u003e","brand":"XDP Xtreme Diesel Performance","offers":[{"title":"Default Title","offer_id":47848986411157,"sku":"XD3004HS-HVCD","price":484.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0593\/0585\/3077\/files\/XD3004HS-HVCD.jpg?v=1787849116"},{"product_id":"xdp-x220-series-head-stud-kit-xd3001hs","title":"XDP X220 Series Head Stud Kit XD3001HS","description":"\u003cp\u003eUpgrade the factory head bolts in your 2003-2007 Ford 6.0 Powerstroke with the XDP X220 Series Head Stud Kit XD3001HS. With only four head bolts per cylinder, and just 10 per bank, the 6.0 engine is infamous for cylinder head gasket issues.\u003c\/p\u003e \u003cp\u003eWhen adding horsepower and torque to your Powerstroke, or even in stock applications as preventive maintenance, upgrading the factory head bolts is a necessity to avoid a lifted cylinder head, or a failed head gasket, due to factory bolt stretch.\u003c\/p\u003e \u003cp\u003eEach stud is constructed utilizing 8740 Chromoly Steel with an added proprietary element. The threads are then rolled after heat-treating to provide optimum fatigue strength. These heavy-duty Ford 6.0 head studs are rated at 225,000+ psi tensile strength and 205,000+ psi yield strength to ensure the cylinder heads on your engine stay locked in place under higher combustion pressures.\u003c\/p\u003e \u003cp\u003eIn addition to the upgraded strength, replacing the OEM head bolts with studs also allows you to obtain a more accurate torque reading. A conventional bolt gets twisted as it is tightened, so it's reacting to two different forces at the same time.\u003c\/p\u003e \u003cp\u003eWith a head stud the force gets applied to the vertical axis, resulting in a more even clamping force. Another benefit of studs is they can provide for easier engine assembly and proper alignment of the cylinder heads every time.\u003c\/p\u003e \u003cp\u003eThese studs are a must-have for high-performance applications and are reusable, unlike the OEM Torque-To-Yield (TTY) bolts which must be replaced after each use. For a hassle-free installation, each set includes installation instructions. Assembly lubricant sold separately.\u003c\/p\u003e \u003cp\u003eThese 6.0 Powerstroke Head Studs are a direct-fit for 2003-2007 Ford F-250\/350\/450\/550 Super Duty, 2003-2005 Ford Excursion, as well as 2004-2010 Ford E-Series Vans.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eFeatures:\u003c\/strong\u003e\u003c\/p\u003e \u003cul\u003e \u003cli\u003eIncludes Washers \u0026amp; 12-Point Nuts\u003c\/li\u003e \u003cli\u003eThreads Rolled After Heat Treating\u003c\/li\u003e \u003cli\u003eYield Strength 205K psi - 215K psi\u003c\/li\u003e \u003cli\u003eTensile Strength 225K psi - 233K psi\u003c\/li\u003e \u003cli\u003e10mm Studs Test Out At Max Load Of Over 120KN\u003c\/li\u003e \u003cli\u003e8740 Chromoly Steel With Added Proprietary Element\u003c\/li\u003e \u003cli\u003eReusable Unlike Torque-To-Yield (TTY) Bolts Which Are One Time Use\u003c\/li\u003e \u003c\/ul\u003e \u003cp\u003eTech Tips:\u003cbr\u003e\u003cstrong\u003eInner Row Head Bolts (Sold Separately):\u003c\/strong\u003e\u003cbr\u003eThe XDP Inner Row Head Bolt Kit XD3020HB allows you to complete the job without having to reuse the factory bolts, or source a new set while your engine is torn down. Inner row head bolts secure the intake side of the cylinder head to the engine block and help to properly complete the factory bolt torque sequence.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eXDP Thread Cleaning Chasers (Sold Separately):\u003c\/strong\u003e\u003cbr\u003eBoth the XD40126TC (for head studs), and 40128TC (for inner row bolts) are a great add-on that will be critical during installation. Thread Cleaning Chasers are an excellent tool to have on-hand to ensure you have properly cleaned the threads in your engine block before the installation of any fasteners.\u003c\/p\u003e \u003cp\u003eClean threads provide accurate torque readings and will help give you peace of mind during your engine build or head gasket repair.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eXDP X-TRA Slick Engine \u0026amp; Fastener Assembly Lubricant (Sold Separately):\u003c\/strong\u003e\u003cbr\u003eThe use of XD541 is highly recommended during engine assembly. Apply XDP X-TRA Slick Lubricant to head studs, head bolts, main studs, main bolts, connecting rod bolts, and any other fasteners used during engine assembly.\u003c\/p\u003e \u003cp\u003eUsing a proper assembly lubricant during fastener installation reduces friction and torque pre-load scatter in the torquing sequence, while also helping to prevent thread galling and seizing.\u003c\/p\u003e","brand":"XDP Xtreme Diesel Performance","offers":[{"title":"Default Title","offer_id":47849013346453,"sku":"XD3001HS-HVCD","price":394.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0593\/0585\/3077\/files\/XD3001HS-HVCD.jpg?v=1787873250"},{"product_id":"xdp-x220-series-head-stud-kit-2017-2023-gm-6-6l-duramax-l5p","title":"XDP X220 Series Head Stud Kit 2017-2023 GM 6.6L Duramax L5P","description":"\u003cp\u003eUpgrade the OEM head bolts on your 2017-2024 GM 6.6L Duramax L5P when you purchase the XDP X220 Series Head Stud Kit XD3017HS. Upgrading the factory head bolts is a must when start adding horsepower and torque to your Silverado\/Sierra.\u003c\/p\u003e \u003cp\u003eThe factory bolts typically can't handle the additional pressure in high-performance applications which can lead to the cylinder heads lifting. Upgrading to the XDP head studs helps to keep the cylinder heads locked down and avoid potential head gasket failures.\u003c\/p\u003e \u003cp\u003eConstructed using an 8740 Chromoly Steel with an added proprietary element ensures these studs are stronger and will not stretch like the stock bolts. The threads are rolled after heat-treating to deliver maximum fatigue strength.\u003c\/p\u003e \u003cp\u003eThese studs are rated at 205,000+ psi yield strength and 225,000+ psi tensile strength to ensure a strong hold under higher combustion pressures.\u003c\/p\u003e \u003cp\u003eIn addition to the increased strength, replacing the head bolts with studs also allows you to obtain a more accurate torque reading. A conventional bolt gets twisted as it is tightened, so it's reacting to two different forces at the same time.\u003c\/p\u003e \u003cp\u003eWith a stud the force gets applied to the vertical axis, resulting in a more even clamping force. Another benefit of studs is they allow for easier engine assembly and proper alignment of the cylinder heads every time.\u003c\/p\u003e \u003cp\u003eThese are a must-have for high-performance applications and are reusable, unlike the OEM Torque-To-Yield (TTY) bolts which must be replaced after each use. Included with the studs are washers and 12-point nuts. Assembly lubricant sold separately.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eFeatures:\u003c\/strong\u003e\u003c\/p\u003e \u003cul\u003e \u003cli\u003eIncludes Washers \u0026amp; 12-Point Nuts\u003c\/li\u003e \u003cli\u003eYield Strength 205K psi - 215K psi\u003c\/li\u003e \u003cli\u003eTensile Strength 225K psi - 233K psi\u003c\/li\u003e \u003cli\u003eWill Not Stretch Like The Factory Studs\u003c\/li\u003e \u003cli\u003eThread Has Been Rolled After Heat Treatment\u003c\/li\u003e \u003cli\u003eHigh-Strength 8740 Chromoly Steel Construction\u003c\/li\u003e \u003cli\u003e10mm Studs Test Out At A Max Load: Over 120KN\u003c\/li\u003e \u003cli\u003eStuds Are Reusable, Unlike Torque-To-Yield (TTY) Bolts Which Much Be Replaced After Each Use\u003c\/li\u003e \u003c\/ul\u003e \u003cp\u003eTEch Tips:\u003cbr\u003e\u003cstrong\u003eXDP Thread Cleaning Chasers (Sold Separately):\u003c\/strong\u003e\u003cbr\u003eThe XDP Thread Cleaning Chasers XD40124TC \u0026amp; XD40128TC are the perfect add-on to any head stud installation. Using Thread Cleaning Chasers ensures that you are able to properly clean the threads in your engine block before the installation of any studs or fasteners.\u003c\/p\u003e \u003cp\u003eClean threads will provide you with accurate torque readings which are critical to your head gasket repair, or engine build.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eXDP X-TRA Slick Engine \u0026amp; Fastener Assembly Lubricant (Sold Separately):\u003c\/strong\u003e\u003cbr\u003eThe use of XD541 is highly recommended during engine assembly. Apply XDP X-TRA Slick Lubricant to head studs, head bolts, main studs, main bolts, connecting rod bolts, and any other fasteners used during engine assembly. Using a proper assembly lubricant during fastener installation reduces friction and torque pre-load scatter in the torquing sequence, while also helping to prevent thread galling and seizing.\u003c\/p\u003e","brand":"XDP Xtreme Diesel Performance","offers":[{"title":"Default Title","offer_id":47849036218517,"sku":"XD3017HS-HVCD","price":574.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0593\/0585\/3077\/files\/XD3017HS-HVCD.jpg?v=1787848559"},{"product_id":"ppe-2001-2016-gm-6-6l-duramax-ppe-head-stud-kit","title":"PPE 2001-2016 GM 6.6L DURAMAX PPE HEAD STUD KIT","description":"\u003cp\u003eEngine builders understand the need for high-strength holding power and fasteners that are precision-engineered to handle the extreme stresses that high-performance diesel engines produce. The PPE Head Stud Kit exceeds industry standards required by performance engines. PPE Head Studs are precision center-less ground for accuracy. Threads rolled to Mil-S-8879 specifications for increased strength while reducing stress at the threads.\u003c\/p\u003e \u003cp\u003eWhether on the highway, off-road, strip or street, confidence comes from knowing these Head Studs exceed your needs. Highly recommended for boost levels 45 psi and higher. With an independently tested and verified tensile strength of over 231,900 psi, these Studs out-perform even the most venerable manufacturer. Kits come complete with hardened parallel washers, nuts, and specially formulated assembly grease for uniform load distribution and accurate torque readings.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eFeatures:\u003c\/strong\u003e\u003c\/p\u003e \u003cul\u003e \u003cli\u003eStuds built specifically for high-performance applications\u003c\/li\u003e \u003cli\u003eIndependently tested and verified tensile strength of over 231,900 psi\u003c\/li\u003e \u003cli\u003eMade from 8740 Chromoly with black oxide finish, for protection from corrosion\u003c\/li\u003e \u003cli\u003e36 studs, 36 flat washers, 36 nuts, and 8 Torx bolts included\u003c\/li\u003e \u003c\/ul\u003e","brand":"Pacific Performance Engineering","offers":[{"title":"Default Title","offer_id":47849040412821,"sku":"118034300-HFTD","price":539.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0593\/0585\/3077\/files\/118034300-HFTD.jpg?v=1787870217"},{"product_id":"ppe-head-stud-kit-ford-6-0l","title":"PPE Head Stud Kit Ford 6.0L","description":"\u003cp\u003eHead Stud Kit Ford 6.0L PPE Diesel\u003c\/p\u003e","brand":"Pacific Performance Engineering","offers":[{"title":"Default Title","offer_id":47849260810389,"sku":"318034400-HFTD","price":413.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0593\/0585\/3077\/files\/318034400-HFTD.jpg?v=1787870532"},{"product_id":"xdp-x220-series-head-stud-kit-xd3006hs","title":"XDP X220 Series Head Stud Kit XD3006HS","description":"\u003cp\u003eThe XDP X220 Series Head Stud Kit XD3006HS is a must have for your high performance 2001-2016 GM 6.6L Duramax LB7\/LLY\/LBZ\/LMM\/LML. The OEM head bolts typically can't handle the pressure from high-horsepower applications.\u003c\/p\u003e \u003cp\u003eConstructed using 8740 Chrome Moly with an added proprietary element ensures these studs are more durable and will not stretch like the factory bolts. The threads are rolled after heat-treating to deliver optimum fatigue strength.\u003c\/p\u003e \u003cp\u003eThese studs are rated at 225,000+ psi tensile strength and 205,000+ yield strength to keep your cylinder heads from lifting under higher combustion pressures. Assembly lubricant sold separately.\u003c\/p\u003e \u003cp\u003eA conventional bolt gets twisted as it is tightened, so it's reacting to two different forces at the same time. With a stud the force gets applied to the vertical axis, resulting in a more even clamping force which allows you to obtain a more accurate torque reading.\u003c\/p\u003e \u003cp\u003eThese studs are a must-have for high-horsepower applications and are reusable, unlike the OEM Torque-To-Yield (TTY) bolts which must be replaced after each use.\u003c\/p\u003e \u003cp\u003eAnother benefit of studs is they provide for easier engine assembly and proper alignment of the cylinder heads every time. Includes installation instructions for a hassle-free installation.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eFeatures:\u003c\/strong\u003e\u003cbr\u003eIncludes Washers \u0026amp; 12 Point Nuts\u003cbr\u003eYield Strength 205K psi - 215K psi\u003cbr\u003eTensile Strength 225K psi - 233K psi\u003cbr\u003eWill Not Stretch Like The Factory Studs\u003cbr\u003eThread Has Been Rolled After Heat Treatment\u003cbr\u003eHigh-Strength 8740 Chromoly Steel Construction\u003cbr\u003e10mm Studs Test Out At A Max Load: Over 120KN\u003cbr\u003eReusable Compared To Torque-To-Yield (TTY) Bolts Which Are One Time Use Only\u003c\/p\u003e \u003cp\u003eTech Tips:\u003cbr\u003e\u003cstrong\u003eXDP Thread Cleaning Chasers (Sold Separately):\u003c\/strong\u003e\u003cbr\u003eThe XD40124TC and XD40128TC are a great add-on that will be critical during installation. Thread Cleaning Chasers are an excellent tool to have on-hand to ensure you have properly cleaned the threads in your engine block before the installation of any fasteners.\u003c\/p\u003e \u003cp\u003eClean threads provide accurate torque readings and will help give you peace of mind during your engine build or head gasket repair.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eXDP X-TRA Slick Engine \u0026amp; Fastener Assembly Lubricant (Sold Separately):\u003c\/strong\u003e\u003cbr\u003eThe use of XD541 is highly recommended during engine assembly. Apply XDP X-TRA Slick Lubricant to head studs, head bolts, main studs, main bolts, connecting rod bolts, and any other fasteners used during engine assembly.\u003c\/p\u003e \u003cp\u003eUsing a proper assembly lubricant during fastener installation reduces friction and torque pre-load scatter in the torquing sequence, while also helping to prevent thread galling and seizing.\u003c\/p\u003e","brand":"XDP Xtreme Diesel Performance","offers":[{"title":"Default Title","offer_id":47849573384341,"sku":"XD3006HS-HVCD","price":524.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0593\/0585\/3077\/files\/XD3006HS-HVCD.jpg?v=1787871722"},{"product_id":"ppe-1998-5-2022-ram-5-9l-6-7l-24v-ppe-head-stud-kit","title":"PPE 1998.5-2022 RAM 5.9L\/6.7L 24V PPE Head Stud Kit","description":"\u003cp\u003eFor engine builders who demand the highest level of strength and precision in their fasteners, the PPE Head Stud Kit is the ultimate solution for high-performance diesel engines. 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PPE Head Studs are precision center-less ground for accuracy. Threads rolled to Mil-S-8879 specifications for increased strength while reducing stress at the threads.\u003c\/p\u003e \u003cp\u003eWhether on the highway, off-road, strip or street, confidence comes from knowing these Head Studs exceed your needs. Highly recommended for boost levels 45 psi and higher. With an independently tested and verified tensile strength of over 231,900 psi, these Studs out-perform even the most venerable manufacturer. Kits come complete with hardened parallel washers, nuts, and specially formulated assembly grease for uniform load distribution and accurate torque readings.\u003c\/p\u003e","brand":"Pacific Performance Engineering","offers":[{"title":"Default Title","offer_id":47849619947669,"sku":"118034700-HFTD","price":539.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0593\/0585\/3077\/files\/118034700-HFTD.jpg?v=1787871640"},{"product_id":"ppe-1993-2002-ford-7-3l-head-stud-kit","title":"PPE 1993-2002 Ford 7.3L Head Stud Kit","description":"\u003cp\u003e\u003cspan\u003eFor engine builders who demand the highest level of strength and precision in their fasteners, the PPE Head Stud Kit is the ultimate solution for high-performance diesel engines. 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Whether you're pushing your engine to its limits on the track or seeking increased longevity, the PPE Stud Kit delivers durability and confidence that surpasses your expectations.\u003c\/span\u003e\u003cbr\u003e\u003cbr data-mce-fragment=\"1\"\u003e\u003cspan\u003eEach kit comes complete with everything you need for installation, including hardened parallel washers, nuts, and specially formulated assembly grease for uniform load distribution and accurate torque readings.\u003c\/span\u003e\u003c\/p\u003e","brand":"Pacific Performance Engineering","offers":[{"title":"Default Title","offer_id":47849620177045,"sku":"318034300-HFTD","price":539.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0593\/0585\/3077\/files\/318034300-HFTD.jpg?v=1787871640"},{"product_id":"xdp-x220-series-head-stud-kit-xd3013hs","title":"XDP X220 Series Head Stud Kit XD3013HS","description":"\u003cp\u003eThe XDP X220 Series Head Stud Kit XD3013HS provides your 1994-2003 Ford 7.3L Powerstroke with the increased clamping power you need. Upgrading the factory head bolts is a must when adding horsepower and torque to your Super Duty.\u003c\/p\u003e \u003cp\u003eThe OEM bolts typically can't handle the additional pressure from high-performance applications which can lead to the cylinder heads lifting. Upgrading to studs helps keep your cylinder heads locked down and avoid head gasket failures. The XDP head studs are constructed from high-quality 8740 Chromoly Steel that also includes a proprietary element added for superior strength and durability.\u003c\/p\u003e \u003cp\u003eThe threads are rolled after heat-treating to deliver maximum fatigue strength. These head studs are rated at 225,000+ psi tensile strength and 205,000+ psi yield strength to ensure the cylinder heads on your engine stay locked in place under higher combustion pressures. Assembly lubricant sold separately.\u003c\/p\u003e \u003cp\u003eIn addition to the increased strength, replacing the head bolts with studs also allows you to obtain a more precise torque reading. A conventional bolt gets twisted as it is tightened, so it's reacting to two different forces at the same time.\u003c\/p\u003e \u003cp\u003eWith a stud the force gets applied to the vertical axis, resulting in a more even clamping force. These studs are reusable, unlike OEM Torque-To-Yield (TTY) studs which must be replaced after each use. Another benefit of studs is proper alignment of the cylinder heads every time and provides for easier engine assembly. Included with the stud kit are washers and 12-point nuts.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eFeatures:\u003c\/strong\u003e\u003c\/p\u003e \u003cul\u003e \u003cli\u003eIncludes Washers \u0026amp; 12 Point Nuts\u003c\/li\u003e \u003cli\u003eYield Strength 205K psi - 215K psi\u003c\/li\u003e \u003cli\u003eTensile Strength 225K psi - 233K psi\u003c\/li\u003e \u003cli\u003eWill Not Stretch Like The Factory Studs\u003c\/li\u003e \u003cli\u003eThread Has Been Rolled After Heat Treatment\u003c\/li\u003e \u003cli\u003eHigh-Strength 8740 Chromoly Steel Construction\u003c\/li\u003e \u003cli\u003e10mm Studs Test Out At A Max Load: Over 120KN\u003c\/li\u003e \u003cli\u003eStuds Are Reusable, Unlike Torque-To-Yield (TTY) Bolts Which Much Be Replaced After Each Use\u003c\/li\u003e \u003c\/ul\u003e \u003cp\u003eTech Tips:\u003cbr\u003e\u003cstrong\u003eXDP Thread Cleaning Chaser (Sold Separately, See Related Items):\u003c\/strong\u003e\u003cbr\u003ePurchase the XDP Thread Cleaning Chaser XD40125TC as an add-on to this kit. Using a Thread Cleaning Chaser ensures that you are able to properly clean the threads in your engine block before you begin installation and torquing of your new XDP head studs. Clean threads are critical to provide you with accurate torque readings during your engine build or head gasket repair.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eXDP X-TRA Slick Engine \u0026amp; Fastener Assembly Lubricant (Sold Separately)\u003c\/strong\u003e:\u003cbr\u003eThe use of XD541 is highly recommended during engine assembly. Apply XDP X-TRA Slick Lubricant to head studs, head bolts, main studs, main bolts, connecting rod bolts, and any other fasteners used during engine assembly. 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Thread Cleaning Chasers are an excellent tool to have on-hand to ensure you have properly cleaned the threads in your engine block before the installation of any fasteners. Clean threads provide accurate torque readings and will help give you peace of mind during your engine build or head gasket repair.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eXDP X-TRA Slick Engine \u0026amp; Fastener Assembly Lubricant (Sold Separately):\u003c\/strong\u003e\u003cbr\u003eThe use of XD541 is highly recommended during engine assembly. Apply XDP X-TRA Slick Lubricant to head studs, head bolts, main studs, main bolts, connecting rod bolts, and any other fasteners used during engine assembly.\u003c\/p\u003e \u003cp\u003eUsing a proper assembly lubricant during fastener installation reduces friction and torque pre-load scatter in the torquing sequence, while also helping to prevent thread galling and seizing.\u003c\/p\u003e","brand":"XDP Xtreme Diesel Performance","offers":[{"title":"Default Title","offer_id":47849695412373,"sku":"XD3010HS-HVCD","price":399.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0593\/0585\/3077\/files\/XD3010HS-HVCD.jpg?v=1787874187"},{"product_id":"xdp-x220-series-head-stud-kit-xd3018hs","title":"XDP X220 Series Head Stud Kit XD3018HS","description":"\u003cp\u003eReplace the weak OEM head bolts on your 2011-2023 6.7L Powerstroke with the XDP X220 Series Head Stud Kit XD3018HS. 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A bolt gets twisted as it is tightened, so it's reacting to two different forces at the same time.\u003c\/p\u003e \u003cp\u003eWith a head stud the force gets applied to the vertical axis, resulting in a more even clamping force. Another benefit of studs is they can help offer easier engine assembly and proper alignment of the cylinder heads every time.\u003c\/p\u003e \u003cp\u003eThese are a must-have for high-performance applications and are reusable, unlike the OEM Torque-To-Yield (TTY) bolts which must be replaced after each use. Included with the studs are 12-point nuts and washers. Assembly lubricant sold separately.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eFeatures:\u003c\/strong\u003e\u003c\/p\u003e \u003cul\u003e \u003cli\u003eIncludes Washers \u0026amp; 12-Point Nuts\u003c\/li\u003e \u003cli\u003eYield Strength 205K psi - 215K psi\u003c\/li\u003e \u003cli\u003eTensile Strength 225K psi - 233K psi\u003c\/li\u003e \u003cli\u003eWill Not Stretch Like The Factory Studs\u003c\/li\u003e \u003cli\u003eThread Has Been Rolled After Heat Treatment\u003c\/li\u003e \u003cli\u003eHigh-Strength 8740 Chromoly Steel Construction\u003c\/li\u003e \u003cli\u003e10mm Studs Test Out At A Max Load: Over 120KN\u003c\/li\u003e \u003cli\u003eStuds Are Reusable, Unlike Torque-To-Yield (TTY) Bolts Which Much Be Replaced After Each Use\u003c\/li\u003e \u003c\/ul\u003e \u003cp\u003eTech Tips:\u003cbr\u003e\u003cstrong\u003eXDP Thread Cleaning Chasers (Sold Separately):\u003c\/strong\u003e\u003cbr\u003eBoth the XD40125TC, and XD40128TC are a great add-on that will be critical during installation. Thread Cleaning Chasers are an excellent tool to have on-hand to ensure you have properly cleaned the threads in your engine block before the installation of any fasteners. Clean threads provide accurate torque readings and will help give you peace of mind during your engine build or head gasket repair.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eXDP X-TRA Slick Engine \u0026amp; Fastener Assembly Lubricant (Sold Separately):\u003c\/strong\u003e\u003cbr\u003eThe use of XD541 is highly recommended during engine assembly. 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