{"title":"Cummins 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":"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. With a focus on accuracy and strength, each stud is center-less ground with precision and is thread rolled to meet Mil-S-8879 specifications, resulting in increased durability and reduced stress at the threads.\u003c\/p\u003e \u003cp\u003eWith an independently tested and verified tensile strength of over 231,900 psi, these studs outperform even the most venerable manufacturer. 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\/p\u003e \u003cp\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\/p\u003e","brand":"Pacific Performance Engineering","offers":[{"title":"Default Title","offer_id":47849581117589,"sku":"218034300-HFTD","price":413.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0593\/0585\/3077\/files\/218034300-HFTD.jpg?v=1787871283"},{"product_id":"xdp-x220-series-head-stud-kit-xd3010hs","title":"XDP X220 Series Head Stud Kit XD3010HS","description":"\u003cp\u003eUpgrade your 1998.5-2024 Dodge Ram 5.9L\/6.7L Diesel with the XDP X220 Series Head Stud Kit XD3010HS. Upgrading the OEM head bolts is a must when adding horsepower and torque to your diesel-powered Ram 2500\/3500.\u003c\/p\u003e \u003cp\u003eThe factory head bolts typically can't handle the additional pressure from high-performance applications which can lead to the cylinder head lifting. Upgrading to these XDP head studs helps to keep cylinder head locked down and avoid head gasket failures. Constructed using an 8740 Chromoly Steel with an added proprietary element ensures these studs are more durable and will not stretch like the stock bolts.\u003c\/p\u003e \u003cp\u003eThe threads are rolled after heat-treating to deliver optimum fatigue strength. These 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 upgraded strength, replacing the head bolts with studs also allows you to obtain a more precise torque reading. 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. Studs can also ensure proper alignment of the cylinder heads every time and provide for easier engine assembly.\u003c\/p\u003e \u003cp\u003eUnlike the OEM Torque-To-Yield (TTY) bolts which must be replaced after each use, these studs are reusable which makes them a must have for high-performance applications. Kit includes 12-point nuts, washers, and installation instructions. 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 Bolts\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\u003e\u003cstrong\u003eXDP Thread Cleaning Chasers (Sold Separately):\u003c\/strong\u003e\u003cbr\u003eThe XD40125TC is 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.\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":"ppe-1989-1998-dodge-cummins-5-9l-12v-head-stud-kit","title":"PPE 1989-1998 Dodge Cummins 5.9L 12V 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 the industry standards required by performance engines. PPE Head Studs are precision center-less ground for accuracy.\u003c\/p\u003e \u003cp\u003eThreads rolled to Mil-S-8879 specifications for increased strength while reducing stress at the threads.\u003cbr\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 outperform even the most venerable manufacturer.\u003c\/p\u003e \u003cp\u003eKits 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\u003eKit contents:\u003c\/strong\u003e\u003c\/p\u003e \u003cul\u003e \u003cli\u003e(6) 96mmL (M12-1.25) (M12-1.75) short studs\u003c\/li\u003e \u003cli\u003e(14) 146mmL (M12-1.25) (M12-1.75) medium studs\u003c\/li\u003e \u003cli\u003e(6) 200mmL (M12-1.25) (M12-1.75) long studs\u003c\/li\u003e \u003cli\u003e(6) M8-1.25x75mmL Flange Bolts (15mmOD) Requires 12 pt, 10mm socket\u003c\/li\u003e \u003cli\u003e(26) M12-1.25 Flange Nuts (21mmOD) Requires 12pt, 14mm socket\u003c\/li\u003e \u003cli\u003e(26) M12 Flat washers (22mmOD)\u003c\/li\u003e \u003cli\u003e(1) Grease Pack - thread lubricant\u003c\/li\u003e \u003c\/ul\u003e","brand":"Pacific Performance Engineering","offers":[{"title":"Default Title","offer_id":47849715073173,"sku":"218034200-HFTD","price":476.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0593\/0585\/3077\/files\/218034200-HFTD.jpg?v=1787874990"}],"url":"https:\/\/dieselproof.com\/collections\/cummins-head-studs.oembed","provider":"Diesel Proof","version":"1.0","type":"link"}