




EVP Head Stud Kits for Polaris RZR Pro R
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
FITMENT
2022+ Polaris RZR Pro R
INSTRUCTIONS
EVP HEAD TUDS FOR PRO R
The price shown is the manufacturer price (recommended retail price in USD). We are a dealer: we will confirm the current price, availability and lead time when you order.
| SKU | 3592020001 |
| Manufacturer | Evolution Powersports |
| Vehicle type | SxS (UTV) |
| Fits | Polaris |
| Models | RZR Pro R |
| Model years | 2022–2026 |