{"title":"6.6L LMM Duramax Head Studs","description":null,"products":[{"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":"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"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0593\/0585\/3077\/collections\/XD3006HS-HVCD_59ffca52-f98a-4f1b-9c74-c043aeb83a36.jpg?v=1789776014","url":"https:\/\/dieselproof.com\/collections\/6-6l-lmm-duramax-head-studs.oembed","provider":"Diesel Proof","version":"1.0","type":"link"}