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["add-on","category_ENGINE \u0026 TRANSMISSION","model_RZR Pro XP 181 HP","model_RZR Turbo R","model_RZR XP Turbo \u0026 Turbo S 168 HP","model_RZR XP Turbo 144 HP","type_SXS","XR Series","year_2017","year_2018","year_2019","year_2020","year_2021","year_2022"]
Prevent premature head gasket failure on big power engines with industry leading cylinder head stud kits!
ARP2000 alloy steel is heat-treated at a higher level, producing far superior strength material than 8740 despite sharing similar characteristics. ARP2000 can achieve a clamp load at 220,000 psi, reduce stress corrosion and hydrogen embrittlement, and thus is used widely in short track and drag racing applications as an upgrade from 8740 chromoly. Because ARP studs are manufactured to such exacting tolerances, you will note that gaskets and cylinder heads literally glide into position and are perfectly
aligned – something that won’t happen with inferior quality head studs.
ARP2000 alloy typically exceeds the clamping force of ~2mm larger 8470 chromoly fastener in a smaller package. For the XP Turbo/Pro XP engine where there is not much material in the block to enlarge the stud significantly, these 11mm ARP2000 studs are the ideal solution.
Why the EVP XR Series ARP2000 studs are superior to other studs on the market:
The 11mm (stock) OD is the ideal size to maximize clamping force without sacrificing block integrity
Made from ARP2000 alloy that has superior fatigue cycle life, tensile strength and toughness and is rated to 220,000 psi tensile strength. For comparison, a typical 8470 chromoly stud is roughly 170,000 psi.
Machined ball end allows the stud to bottom out in the case without losing any thread engagement.
Includes head studs, nuts, and washers for the ultimate direct replacement head stud kit
XR Series
Evolution Powersports is proud to introduce the all-new XR Series! All the products in this Xtreme Racing line are race tested and have been designed and developed with extreme power and racing in mind. Many of the products are CNC machined and made from the highest quality materials available. Tested under the most grueling conditions in drag racing, short course & desert racing, these products ensure optimal performance and durability. Many of our new XR Series products are manufactured exclusively for EVP in partnership with some of the best names in the powersports industry.
Our on-line store is open 24/7 and we ship Monday through Friday, excluding some holidays. Orders received for products without shipping restrictions on its product page will ship the same business day when received before 12:00 p.m. MST. Orders in high demand will ship under the same guidelines unless there is a backorder. backordered items will be relayed to customer via email within 48hours of purchase date.
At Geiser Performance, we are passionate about enhancing your UTV experience. With years of expertise in the industry, we specialize in providing high-quality parts and accessories designed to elevate performance, safety, and style.
Our dedicated team understands the needs of off-road enthusiasts, ensuring that every product we offer meets the highest standards of durability and reliability.
Whether you're looking to upgrade your ride or repair essential components, we are committed to delivering exceptional service and knowledgeable support to help you get the most out of your UTV.
