RCV Ultimate CV Carbon Fiber Prop Shaft for Polaris XP1000 ('14-'23) - 4 SeatSKU: RZR PS4 CF 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 rigidity than aluminum 60% greater strength than aluminum 5 times