RCV Ultimate CV Carbon Fiber Prop Shaft for Polaris 4 Seat TurboXP Turbo & Turbo S SKU: RZR PST4 CF Fits XP Turbo 4 Seat 2016+ Turbo S 4 Seat 2018+ The carbon fiber design with hard coated 7075 aluminum end yokes is less weight than OEM, reducing rotational mass, increases acceleration, and reduces any possibility of vibration. Additionally, the dampening effect of carbon fiber will reduce shock load and stress on other components such as transmission and front differential. 50% lighter than aluminum 31% more