{"product_id":"polaris-rzr-pro-r-head-stud-kits-evolution-powersports","title":"Polaris RZR Pro R Head Stud Kits","description":"\u003cp\u003eIf you want your RZR Pro R to make reliable big power, reinforcing the cylinder heads is a must. Avoid premature head gasket wear or failure with EVP ARP Head Stud Kits that offer significantly improved clamp loads, and proper alignment of the head and gasket for more consistent\/accurate torque loading. Whether you opt for the ARP 2000 or Custom-Aged 625+ alloy, both are designed to mimic the OEM design but with more thread engagement for a seamless direct replacement that delivers far superior durability.\u003c\/p\u003e \u003cp\u003eARP 2000 FEATURES:\u003c\/p\u003e \u003cul\u003e \u003cli\u003eARP 2000: Strength-tested to 220,000 psi.\u003c\/li\u003e \u003cli\u003eMade in the U.S.A.\u003c\/li\u003e \u003cli\u003eConstructed from forged and heat-treated ARP 2000 material\u003c\/li\u003e \u003cli\u003eAdditional thread engagement compared to other studs\u003c\/li\u003e \u003cli\u003eMimics OEM design with significantly improved overall strength and durability\u003c\/li\u003e \u003c\/ul\u003e \u003cp\u003eCUSTOM-AGED 625+ FEATURES:\u003cbr\u003e\u003c\/p\u003e \u003cul\u003e \u003cli\u003eStrength-testedÔªø to a minimum of 260,000 psi.\u003c\/li\u003e \u003cli\u003eMade in the U.S.A.\u003c\/li\u003e \u003cli\u003eCustom-Aged 625+ super alloy has superior fatigue cycle life, tensile strength and toughness (comparison: typical 8470 chromoly stud is roughly 170,000 psi.)\u003c\/li\u003e \u003cli\u003ethread-rolled after heat treating to provide optimum fatigue strength\u003c\/li\u003e \u003cli\u003eAdditional thread engagement compared to other studs\u003c\/li\u003e \u003cli\u003eMimics OEM design with significantly improved overall strength and durability\u003c\/li\u003e \u003c\/ul\u003e \u003ch6\u003eVEHICLE FITMENT\u003c\/h6\u003e \u003cp\u003ePolaris RZR Pro R\u003c\/p\u003e \u003ch6\u003eINSTALLATION\u003c\/h6\u003e \u003cp\u003e\u003cmeta charset=\"utf-8\"\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0054\/6786\/5134\/files\/Pro_R_EVP_12mm_Head-Studs.pdf?v=1697232740\" rel=\"noopener noreferrer\" aria-describedby=\"a11y-new-window-external-message\" target=\"_blank\"\u003eEVP HEAD TUDS FOR PRO R\u003c\/a\u003e\u003c\/p\u003e \u003c!----\u003e","brand":"Evolution Powersports","offers":[{"title":"ARP 2000 Head Studs","offer_id":48176052568301,"sku":"800FP0028","price":599.0,"currency_code":"USD","in_stock":true},{"title":"ARP 625 Custom Aged Head Studs","offer_id":48176052601069,"sku":"800FP0029","price":1399.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0678\/4643\/9149\/files\/800FP0028_tt_1_1024x1024_bee2f9ae-5c4e-4250-a951-821b2da631d5.jpg?v=1749059517","url":"https:\/\/tkoffroad.myshopify.com\/products\/polaris-rzr-pro-r-head-stud-kits-evolution-powersports","provider":"TeamKustom","version":"1.0","type":"link"}