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Ships within 48 hours · Estimated delivery Aug 2 - Aug 7
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Description
XR Series 11mm Custom Age 625 Head Stud Kit for Polaris RZR XP Turbo/S, Pro XP & Turbo RPrevent premature head gasket failure on bigger power engines! The Evolution Powersports XR Series CA 625 11mm direct replacement Polaris XPT head studs are for those wanting the ultimate strength for high horsepower engine builds. Manufactured by ARP using their proprietary Custom Age alloy, the XR series head stud is the strongest head stud available anywhere. Custom Age 625 alloy typically equals or exceeds the clamping force of ~2mm larger 8470
Prevent premature head gasket failure on bigger power engines! The Evolution Powersports XR Series CA-625 11mm direct replacement Polaris XPT head studs are for those wanting the ultimate strength for high horsepower engine builds. Manufactured by ARP using their proprietary Custom Age alloy, the XR series head stud is the strongest head stud available anywhere. Custom Age 625 alloy typically equals or 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 Custom Age 625 studs are the ideal solution. These head studs will keep your engines head sealed for the boost pressure required to produce 300-400 horsepower.
Why the EVP XR Series CA-625 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 ARP CA-625 alloy - This super-alloy has superior fatigue cycle life, tensile strength and toughness and is rated to 260,000 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
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy