{"title":"GMC, (2020-2023), L5P, Engine, Heads \u0026 Studs","description":"","products":[{"product_id":"siverado-sierra-2500-3500-2017-21-6-6l-l5p-heavy-duty-head-stud-kit-gator-fasteners","title":"Gator Fasteners HSK66L5P L5P Heavy Duty Head Stud Kit (2017-2025 Duramx)","description":"\u003cp\u003eIf you are wanting to keep your LP5 6.6L Duramax on the road for the long haul, you need to replace your head bolts with upgraded head studs.\u003c\/p\u003e\n\u003cp\u003eThese head studs have a much higher strength and will not stretch like the factory bolts will.\u003c\/p\u003e\n\u003cp\u003eThis will help keep your truck from popping head gaskets. These Gator Fasteners Performance Head Studs are a Heavy Duty stud designed for stock to moderately built Duramax engines.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDetails:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eL5P Diesel\u003c\/li\u003e\n\u003cli\u003e2017-2025 Duramax\u003c\/li\u003e\n\u003cli\u003e6.6 Liter\u003c\/li\u003e\n\u003cli\u003eSteel\u003c\/li\u003e\n\u003cli\u003ePowdercoat Black\u003c\/li\u003e\n\u003cli\u003eKit\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Gator Fasteners","offers":[{"title":"Default Title","offer_id":49654631334176,"sku":"HSK66L5P","price":599.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0916\/3043\/6640\/files\/gator-fasteners-hsk66l5p-l5p-heavy-duty-head-stud-kit-2017-2025-duramx-5437183.jpg?v=1779551051"},{"product_id":"230-4301","title":"ARP 230-4301 Diesel Head Stud Kit (2017-2025 Duramax)","description":"\u003ch2\u003eGeneral Descripition\u003c\/h2\u003e\n\u003cdiv style=\"margin-left: 40px;\"\u003e\n\u003cp class=\"p1\" style=\"font-variant-numeric: normal; font-variant-east-asian: normal; font-variant-alternates: normal; font-kerning: auto; font-optical-sizing: auto; font-feature-settings: normal; font-variation-settings: normal; font-stretch: normal; line-height: normal; font-family: Helvetica; margin: 0px; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"font-size: 16px;\"\u003e\u003cspan style=\"font-family: tahoma, geneva, sans-serif;\"\u003ePut the ARP 230-4301 Diesel Head Stud Kit in your GM 6.6L Duramax L5P and ensure your engine can handle the additional power of modern aftermarket upgrades. These head studs are rated at 220,000 psi tensile strength and will give you the clamping force you need to eliminate the risk of lifting your cylinder heads from higher combustion pressures.\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"p1\" style=\"font-variant-numeric: normal; font-variant-east-asian: normal; font-variant-alternates: normal; font-kerning: auto; font-optical-sizing: auto; font-feature-settings: normal; font-variation-settings: normal; font-stretch: normal; line-height: normal; font-family: Helvetica; margin: 0px; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"font-size: 16px;\"\u003e\u003cspan style=\"font-family: tahoma, geneva, sans-serif;\"\u003e\u003cbr\u003eEach set of ARP Head Studs is manufactured from ARP's proprietary ARP 2000 material in their California manufacturing facility. Each stud has threads rolled after heat-treating to provide superior strength. The studs are centerless ground for perfect concentricity and each kit includes heat-treated, chromoly steel 12-point nuts and washers. ARP treats all of their hardware with a black odize finish for protection and durability. Get a set for your engine today!\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003ch2\u003eFeatures\u003c\/h2\u003e\n\u003cdiv style=\"margin-left: 40px;\"\u003e\n\u003cul class=\"ul1\" style=\"color: rgb(0, 0, 0); font-size: medium;\"\u003e\n\u003cli class=\"li1\" style=\"margin: 0px; font-variant-numeric: normal; font-variant-east-asian: normal; font-variant-alternates: normal; font-kerning: auto; font-optical-sizing: auto; font-feature-settings: normal; font-variation-settings: normal; font-stretch: normal; font-size: 13px; line-height: normal; font-family: 'Helvetica Neue';\"\u003e\u003cspan style=\"font-size: 16px;\"\u003e\u003cspan style=\"font-family: tahoma,geneva,sans-serif;\"\u003e\u003cspan class=\"s1\" style=\"font-variant-numeric: normal; font-variant-east-asian: normal; font-variant-alternates: normal; font-kerning: auto; font-optical-sizing: auto; font-feature-settings: normal; font-variation-settings: normal; font-stretch: normal; line-height: normal;\"\u003e\u003c\/span\u003e220,000 PSI Tensile Strength\u003c\/span\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"li1\" style=\"margin: 0px; font-variant-numeric: normal; font-variant-east-asian: normal; font-variant-alternates: normal; font-kerning: auto; font-optical-sizing: auto; font-feature-settings: normal; font-variation-settings: normal; font-stretch: normal; font-size: 13px; line-height: normal; font-family: 'Helvetica Neue';\"\u003e\u003cspan style=\"font-size: 16px;\"\u003e\u003cspan style=\"font-family: tahoma,geneva,sans-serif;\"\u003e\u003cspan class=\"s1\" style=\"font-variant-numeric: normal; font-variant-east-asian: normal; font-variant-alternates: normal; font-kerning: auto; font-optical-sizing: auto; font-feature-settings: normal; font-variation-settings: normal; font-stretch: normal; line-height: normal;\"\u003e\u003c\/span\u003eReplaces Factory Head Bolts\u003c\/span\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"li1\" style=\"margin: 0px; font-variant-numeric: normal; font-variant-east-asian: normal; font-variant-alternates: normal; font-kerning: auto; font-optical-sizing: auto; font-feature-settings: normal; font-variation-settings: normal; font-stretch: normal; font-size: 13px; line-height: normal; font-family: 'Helvetica Neue';\"\u003e\u003cspan style=\"font-size: 16px;\"\u003e\u003cspan style=\"font-family: tahoma,geneva,sans-serif;\"\u003e\u003cspan class=\"s1\" style=\"font-variant-numeric: normal; font-variant-east-asian: normal; font-variant-alternates: normal; font-kerning: auto; font-optical-sizing: auto; font-feature-settings: normal; font-variation-settings: normal; font-stretch: normal; line-height: normal;\"\u003e\u003c\/span\u003eBlack Oxide Finish\u003c\/span\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"ARP","offers":[{"title":"Default Title","offer_id":49685273313568,"sku":"230-4301","price":681.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0916\/3043\/6640\/files\/arp-230-4301-diesel-head-stud-kit-2017-2025-duramax-2930601.png?v=1779549067"},{"product_id":"230-4302","title":"ARP 230-4302 Diesel CustomAge 625+ Head Stud Kit (2017-2025 Duramax)","description":"\u003ch2\u003e\n\tGeneral Description\u003c\/h2\u003e\n\u003cdiv style=\"margin-left: 40px;\"\u003e\n\t\u003cp class=\"p1\" style=\"font-variant-numeric: normal; font-variant-east-asian: normal; font-variant-alternates: normal; font-kerning: auto; font-optical-sizing: auto; font-feature-settings: normal; font-variation-settings: normal; font-stretch: normal; line-height: normal; font-family: Helvetica; margin: 0px; color: rgb(0, 0, 0);\"\u003e\n\t\t\u003cspan style=\"font-size: 16px;\"\u003e\u003cspan style=\"font-family: tahoma, geneva, sans-serif;\"\u003eSDS has the ARP 230-4302 Diesel Custom Age 625+ Head Stud Kit that will replace the stretched or broken head bolts in your 2017-2021 GM 6.6L Duramax L5P. These studs are designed for diesel performance enthusiasts needing an extra-strong head stud for the massive boost or high HP nitrous needed to build a powerful truck.\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\t\u003cp class=\"p1\" style=\"font-variant-numeric: normal; font-variant-east-asian: normal; font-variant-alternates: normal; font-kerning: auto; font-optical-sizing: auto; font-feature-settings: normal; font-variation-settings: normal; font-stretch: normal; line-height: normal; font-family: Helvetica; margin: 0px; color: rgb(0, 0, 0);\"\u003e\n\t\t\u003cspan style=\"font-size: 16px;\"\u003e\u003cspan style=\"font-family: tahoma, geneva, sans-serif;\"\u003e\u003cbr\u003e\n\t\tThe ARP Diesel Custom Age 625+ Head Stud Kit features a minimum rating of 260,000 psi tensile strength with threads rolled after heat treatment to provide maximum fatigue strength. The 12-point chrome-moly nuts come with parallel-ground washers and are included in this kit that is manufactured in Santa Paula, CA. These studs are centerless ground to ensure concentricity and feature broached ends for easier installation.\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003ch2\u003e\n\tFeatures\u003c\/h2\u003e\n\u003cdiv style=\"margin-left: 40px;\"\u003e\n\t\u003cul\u003e\n\t\t\u003cli class=\"p1\" style=\"margin: 0px; font-variant-numeric: normal; font-variant-east-asian: normal; font-variant-alternates: normal; font-kerning: auto; font-optical-sizing: auto; font-feature-settings: normal; font-variation-settings: normal; font-stretch: normal; line-height: normal; font-family: Helvetica; color: rgb(0, 0, 0);\"\u003e\n\t\t\t\u003cspan style=\"font-size:16px;\"\u003e\u003cspan style=\"font-family:tahoma,geneva,sans-serif;\"\u003eMade In The USA\u003c\/span\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\t\t\u003cli class=\"p1\" style=\"margin: 0px; font-variant-numeric: normal; font-variant-east-asian: normal; font-variant-alternates: normal; font-kerning: auto; font-optical-sizing: auto; font-feature-settings: normal; font-variation-settings: normal; font-stretch: normal; line-height: normal; font-family: Helvetica; color: rgb(0, 0, 0);\"\u003e\n\t\t\t\u003cspan style=\"font-size:16px;\"\u003e\u003cspan style=\"font-family:tahoma,geneva,sans-serif;\"\u003eBlack Oxide Finish\u003c\/span\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\t\t\u003cli class=\"p1\" style=\"margin: 0px; font-variant-numeric: normal; font-variant-east-asian: normal; font-variant-alternates: normal; font-kerning: auto; font-optical-sizing: auto; font-feature-settings: normal; font-variation-settings: normal; font-stretch: normal; line-height: normal; font-family: Helvetica; color: rgb(0, 0, 0);\"\u003e\n\t\t\t\u003cspan style=\"font-size:16px;\"\u003e\u003cspan style=\"font-family:tahoma,geneva,sans-serif;\"\u003eDirect-Fit Replacement\u003c\/span\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\t\t\u003cli class=\"p1\" style=\"margin: 0px; font-variant-numeric: normal; font-variant-east-asian: normal; font-variant-alternates: normal; font-kerning: auto; font-optical-sizing: auto; font-feature-settings: normal; font-variation-settings: normal; font-stretch: normal; line-height: normal; font-family: Helvetica; color: rgb(0, 0, 0);\"\u003e\n\t\t\t\u003cspan style=\"font-size:16px;\"\u003e\u003cspan style=\"font-family:tahoma,geneva,sans-serif;\"\u003eNuts \u0026amp; Washers Included\u003c\/span\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\t\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cbr\u003e","brand":"ARP","offers":[{"title":"Default Title","offer_id":49685273510176,"sku":"230-4302","price":1885.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0916\/3043\/6640\/files\/arp-230-4302-diesel-customage-625-head-stud-kit-2017-2025-duramax-2762281.png?v=1779549067"},{"product_id":"merchant-automotive-450610-engine-gasket-set-w-bolts-no-head-gasket-2017-2023-duramax","title":"Merchant Automotive 450610 Engine Gasket Set (W\/Bolts No Head Gasket) (2017-2023 Duramax)","description":"\u003csection class=\"cmp-product-section cmp-product-section--toggle cmp-product-section--toggle-open animate--fade-in\" data-scroll=\"\"\u003e\n\u003cdiv class=\"cmp-product-details-wrapper\"\u003e\n\u003cdiv class=\"cmp-product-description\"\u003e\n\u003cdiv class=\"cmp-product-section__inner\"\u003e\n\u003cdiv class=\"cmp-product-description__content\"\u003e\n\u003cdiv class=\"cmp-product-force-font\"\u003e\n\u003cdiv\u003ePurchase the Merchant Automotive 450610 Engine Gasket Set \u0026amp; Bolts (No Head Gasket) from SDS for rebuilding your Duramax L5P engine. When replacing blown head gaskets or rebuilding an L5P Duramax diesel engine, you are going to need quite a few parts to get the job done. A Duramax head gasket job is not a task for the average driver, so you will want to ensure you have all of the right components for your mechanic. Merchant Automotive has put this kit together to help you get the job done.\u003cbr\u003e\u003cbr\u003e\n\u003ch5\u003e\u003cspan\u003eFeatures:\u003c\/span\u003e\u003c\/h5\u003e\n\u003cul\u003e\n\u003cli\u003eIncludes Head Bolts\u003c\/li\u003e\n\u003cli\u003eThreadlocker Included\u003c\/li\u003e\n\u003cli\u003eOE-Style \u0026amp; Upgraded Components\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"cmp-product-force-font\"\u003e\n\u003ca href=\"https:\/\/www.xtremediesel.com\/xtreme-diesel-performance-xdp-product-warranty-availability#warranty\"\u003e\u003cspan\u003e\u003cstrong\u003e\u003cu\u003eManufacturer Warranty*:\u003c\/u\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/a\u003e\u003cbr\u003e1 Year Limited\u003c\/div\u003e\n\u003cdiv data-hook=\"variant_changed__data\" data-contentsection=\"render_carb_restriction\" class=\"cmp-product-force-font\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv id=\"product-application-note\" class=\"cmp-product-force-font\"\u003e\n\u003cspan\u003e\u003cstrong\u003eNote:\u003c\/strong\u003e\u003c\/span\u003e\u003cbr\u003eHead Gaskets NOT Included\u003cbr\u003eHead Bolts Included\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003cdiv id=\"vehicle-applications\" class=\"cmp-product-fitment cmp-product-section cmp-product-vehicle-application-fitment cmp-product-border-header cmp-product-section--toggle cmp-product-section--toggle-open\"\u003e\n\u003cdiv class=\"cmp-product-details-wrapper\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Merchant Automotive","offers":[{"title":"Default Title","offer_id":51202133164320,"sku":"450610","price":991.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0916\/3043\/6640\/files\/merchant-automotive-450610-engine-gasket-set-wbolts-no-head-gasket-2017-2023-duramax-1692725.jpg?v=1779543131"},{"product_id":"xdp-xd3017hs-x220-series-head-stud-kit-2017-2025-duramax","title":"XDP XD3017HS X220 Series Head Stud Kit (2017-2025 Duramax)","description":"\u003csection class=\"cmp-product-section cmp-product-section--toggle cmp-product-section--toggle-open animate--fade-in\" data-scroll=\"\"\u003e\n\u003cdiv class=\"cmp-product-details-wrapper\"\u003e\n\u003cdiv class=\"cmp-product-description\"\u003e\n\u003cdiv class=\"cmp-product-section__inner\"\u003e\n\u003cdiv class=\"cmp-product-description__content\"\u003e\n\u003cdiv class=\"cmp-product-force-font\"\u003e\n\u003cdiv\u003eUpgrade the OEM head bolts on your 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 you start adding horsepower and torque to your Silverado\/Sierra. The 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. Constructed 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. These studs are rated at a 220,000 PSI tensile strength to ensure a strong hold under higher combustion pressures.\u003cbr\u003e\u003cbr\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. With 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. These 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. \u003cbr\u003e\u003cbr\u003e\n\u003ch5\u003e\u003cspan\u003eFeatures:\u003c\/span\u003e\u003c\/h5\u003e\n\u003cul\u003e\n\u003cli\u003e220K PSI Tensile Strength\u003c\/li\u003e\n\u003cli\u003eThreads Rolled After Heat Treating\u003c\/li\u003e\n\u003cli\u003eWill Not Stretch Like The Factory Studs\u003c\/li\u003e\n\u003cli\u003e10mm Studs Test Out At A Max Load: Over 120KN\u003c\/li\u003e\n\u003cli\u003eHigh-Strength 8740 Chromoly Steel Construction With Added Proprietary Element\u003c\/li\u003e\n\u003cli\u003eStuds Are Reusable, Unlike Torque-To-Yield (TTY) Bolts Which Much Be Replaced After Each Use\u003c\/li\u003e\n\u003cli\u003eIncludes Washers \u0026amp; 12-Point Nuts\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cspan\u003e\u003cbr\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cspan\u003eTECH TIPS:\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eXDP Thread Cleaning Chasers (Sold Separately):\u003c\/span\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. Clean threads will provide you with accurate torque readings which are critical to your head gasket repair, or engine build.\u003c\/div\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cspan\u003eFastener Assembly Lubricant (Sold Separately):\u003c\/span\u003e\u003cbr\u003eThe use of assembly lubricant is highly recommended during engine assembly. Apply 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\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"cmp-product-force-font\"\u003e\u003cspan\u003e\u003cstrong\u003e\u003cu\u003e\u003c\/u\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv class=\"cmp-product-force-font\"\u003e\n\u003ca href=\"https:\/\/www.xtremediesel.com\/xtreme-diesel-performance-xdp-product-warranty-availability#warranty\"\u003e\u003cspan\u003e\u003cstrong\u003e\u003cu\u003eManufacturer Warranty*:\u003c\/u\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/a\u003e\u003cbr\u003e2 Year \/ Unlimited Mileage\u003c\/div\u003e\n\u003cdiv data-hook=\"variant_changed__data\" data-contentsection=\"render_carb_restriction\" class=\"cmp-product-force-font\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv id=\"product-application-note\" class=\"cmp-product-force-font\"\u003e\n\u003cspan\u003e\u003cstrong\u003eNote:\u003c\/strong\u003e\u003c\/span\u003e\u003cbr\u003eAssembly lubricant sold separately.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e","brand":"XDP MFG","offers":[{"title":"Default Title","offer_id":51303229292832,"sku":"XD3017HS","price":574.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0916\/3043\/6640\/files\/xdp-xd3017hs-x220-series-head-stud-kit-2017-2025-duramax-5087743.jpg?v=1779541688"},{"product_id":"ppe-118034700-head-stud-kit-2017-2025-duramax","title":"PPE 118034700 Head Stud Kit (2017-2025 Duramax)","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\n\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":51561440280864,"sku":"118034700","price":539.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0916\/3043\/6640\/files\/ppe-118034700-head-stud-kit-2017-2025-duramax-2863727.webp?v=1779540788"}],"url":"https:\/\/www.southerndieselsupply.com\/collections\/gmc-2020-2023-l5p-engine-heads-studs.oembed","provider":"Southern Diesel Supply","version":"1.0","type":"link"}