{"product_id":"prw-1036313","title":"PRW 1036313 Cylinder Head Stud","description":"\u003ch2\u003ePRW 1036313\u003c\/h2\u003e\u003cp\u003ePRW uses premium grade 4135 Japanese Alloy Steel rated at “aircraft” quality. Our studs are then specially heat-treated to 190,000 Pounds Per Square Inch. This heat treating procedure allows for total heat penetration which results in a stronger, more superior stud compared to lesser quality studs from other manufacturers. To ensure perfect alignment with gaskets and cylinder heads, PRW studs are then centerless ground after being heat treated. This attention to detail results in remarkably straight and concentric studs. PRW studs are then thread rolled which assures better fatigue strength than having this process done before heat treatment. This manufacturing process may cost more to do but the results are well worth the extra effort. You will also note that PRW offers specially undercut studs for several engines. This procedure (done only to the shorter studs) more equalizes the “stretch\" of both studs, which makes for a more consistent clamping force – and one that compensates for head gasket compression when the cylinder heads are installed. This helps prevent blown head gaskets, and assures optimum engine sealing. Premium quality heat-treated 4135 chrome moly steel head stud kits are available for most every domestic and import applications. You won’t find a better quality stud on the market from any other source. Look for PRW stamped on each stud and 12 point nut is your assurance of quality.\u003c\/p\u003e\u003ch3\u003eFeatures \u0026amp; Benefits\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003ePremium grade 4135 japanese alloy steel rated at “aircraft” quality\u003c\/li\u003e\n\u003cli\u003eStuds are then specially heat-treated to 190,000 pounds per square inch\u003c\/li\u003e\n\u003cli\u003eHeat treating procedure allows for total heat penetration which results in a stronger, more superior stud\u003c\/li\u003e\n\u003cli\u003eEnsure perfect alignment with gaskets and cylinder heads, prw studs are then centerless ground after being heat treated\u003c\/li\u003e\n\u003cli\u003ePrw studs are then thread rolled which assures better fatigue strength than having this process done before heat treatment\u003c\/li\u003e\n\u003cli\u003eLimited 1 year warranty\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e12.4 lb\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e11 x 4.5 x 3.5 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003ePRW\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eManufacturer Part Number\u003c\/td\u003e\n\u003ctd\u003e1036313\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUPC\u003c\/td\u003e\n\u003ctd\u003e842864017271\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003cstyle\u003e\n.product-faq { margin: 2rem 0; }\n.product-faq__title { font-size: 1.25rem; margin-bottom: 1rem; }\n.faq-item { border: 1px solid #ddd; border-radius: 4px; margin-bottom: 0.5rem; }\n.faq-item__question { padding: 0.75rem 1rem; font-weight: 600; cursor: pointer; }\n.faq-item__answer { padding: 0 1rem 0.75rem; }\ndetails.faq-item \u003e summary { list-style: none; }\ndetails.faq-item \u003e summary::-webkit-details-marker { display: none; }\n.related-items-table { width: 100%; border-collapse: collapse; margin: 1rem 0; }\n.related-items-table th, .related-items-table td { border: 1px solid #ddd; padding: 0.5rem; text-align: left; vertical-align: top; }\n.related-items-table th { background: #f7f7f7; }\n\u003c\/style\u003e\u003csection class=\"product-faq\" aria-label=\"Frequently asked questions\"\u003e\u003ch2 class=\"product-faq__title\"\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cdetails class=\"faq-item\"\u003e\u003csummary class=\"faq-item__question\"\u003eHow do I verify fitment before ordering?\u003c\/summary\u003e\u003cdiv class=\"faq-item__answer\"\u003e\u003cp\u003eCompare manufacturer part number 1036313 against your existing part and your vehicle or equipment. Contact us with your make, model, and year if you need help confirming compatibility.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\u003cdetails class=\"faq-item\"\u003e\u003csummary class=\"faq-item__question\"\u003eWhat are the key construction details?\u003c\/summary\u003e\u003cdiv class=\"faq-item__answer\"\u003e\u003cp\u003ePRW features premium grade 4135 japanese alloy steel rated at “aircraft” quality. See Features \u0026amp; Benefits and Specifications for the full list.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\u003cdetails class=\"faq-item\"\u003e\u003csummary class=\"faq-item__question\"\u003eHow much does this product weigh?\u003c\/summary\u003e\u003cdiv class=\"faq-item__answer\"\u003e\u003cp\u003eThis item weighs approximately 12.40 lb.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\u003c\/section\u003e\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Product\",\"name\":\"PRW 1036313\",\"description\":\"PRW uses premium grade 4135 Japanese Alloy Steel rated at “aircraft” quality. Our studs are then specially heat-treated to 190,000 Pounds Per Square Inch. This heat treating procedure allows for total heat penetration which results in a stronger, more superior stud compared to lesser quality studs from other manufacturers. To ensure perfect alignment with gaskets and cylinder heads, PRW studs are then centerless ground after being heat treated. This attention to detail results in remarkably straight and concentric studs. PRW studs are then thread rolled which assures better fatigue strength than having this process done before heat treatment. This manufacturing process may cost more to do but the results are well worth the extra effort. You will also note that PRW offers specially undercut studs for several engines. This procedure (done only to the shorter studs) more equalizes the “stretch\\\" of both studs, which makes for a more consistent clamping force – and one that compensates for head gasket compression when the cylinder heads are installed. This helps prevent blown head gaskets, and assures optimum engine sealing. Premium quality heat-treated 4135 chrome moly steel head stud kits are available for most every domestic and import applications. 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