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["category_ENGINE \u0026 TRANSMISSION","make_Polaris","model_RZR Pro R","new_product","type_SXS","year_2022","year_2023","year_2024"]
**Product Image Disclaimer: Some images on our website may show completed installations, finished projects, or full kits for demonstration purposes. The product offered for sale may include only specific components and not everything shown in the photo. If you have any questions about what is included or need assistance selecting the correct items, please contact us prior to placing your order to ensure accurate processing.**
If 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.
ARP 2000 FEATURES:
ARP 2000: Strength-tested to 220,000 psi.
Made in the U.S.A.
Constructed from forged and heat-treated ARP 2000 material
Additional thread engagement compared to other studs
Mimics OEM design with significantly improved overall strength and durability
CUSTOM-AGED 625+ FEATURES:
Strength-testedÔªø to a minimum of 260,000 psi.
Made in the U.S.A.
Custom-Aged 625+ super alloy has superior fatigue cycle life, tensile strength and toughness (comparison: typical 8470 chromoly stud is roughly 170,000 psi.)
thread-rolled after heat treating to provide optimum fatigue strength
Additional thread engagement compared to other studs
Mimics OEM design with significantly improved overall strength and durability
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.