Upgrade your Polaris UTV with CryoHeat Pinion Gear Bearing Retainers—engineered for maximum strength and reliability. Compatible with Polaris RZR Trail, RZR Trail S, RZR XP, RZR Pro XP, RZR Pro S, RZR Pro R, RZR 200 EFI, RZR Turbo S, Turbo R, RS1, Ranger SP 570, Ranger 570 Full-Size, Ranger 1000, Ranger XP 1000, Ranger XP 1000 NorthStar Edition, General 1000, General XP 1000, General 4 1000 Sport, and Polaris XPEDITION ADV/XP. CryoHeat’s laser-cut, cryogenically treated, and micropolished retainers are 35% thicker than stock, eliminating weak points and preventing catastrophic pinion gear failure. Trusted by racers and off-road enthusiasts, these retainers deliver superior durability, protect your transmission, and keep your Polaris performing at its best on any terrain