Rated 3 times stronger than stock our upgraded driveline consists of larger U-joints, yokes, larger diameter shafts with double the wall thickness than the stock/OEM drivelines from Polaris. When you operate your RZR over 40 MPH you are exceeding what the driveline is rated for, our driveline was engineered for your machines capabilities & much much more. (SANDCRAFT CARRIER BEARING NOT INCLUDED)
