The Rhino Drivline Prop Shafts can't be beat! The Prop Shafts are designed to withstand all the torque and torsion your RZR 1000 can give it! This is the last prop shaft you'll ever need. Rhino Driveline Prop Shafts are the strongest out there and come paired with C-Series CV Joints or U-Series U-Joints that wear less and run smoother! Super ATV's .120 inch tube walls and a 1.75 inch diameter tube, Rhino Driveline Prop Shafts are seriously indestructible vs OEM's .088 inch tube walls and a 1.25 inch diameter tube.These Driveline Shafts are build from 4130 Chromoly Tubing (Stock is plain Carbon Steel), in other words built to last! You Upgrade your RZR XP 1000 with a more durable and better lasting Driveline Prop Shaft today!! NOTE: Rhino Driveline Prop Shafts are compatible with SuperATV Carrier Bearings ONLY. - Our Super ATV Driveline Prop Shafts generally ship out within 1 business day! - Fits: Polaris RZR XP 1000 : 2014+ / RZR XP 4 1000 : 2014+ / RZR XP 1000 High Lifter Edition : 2015+ / RZR XP 4 1000 High Lifter Edition : 2016+ / RZR XP 1000 Trails & Rocks Edition : 2017+ - Instructions Included - Limited Warranty offered by Super ATV Carrier Bearing with Remote Grease Line Rhino Driveline Prop Shafts are compatible with SuperATV Carrier Bearings ONLY. Don't worry these SuperATV ones are the best you can get! The Heavy Duty Carrier Bearings make maintenance and install a breeze with grease-able, self-aligning bearing and a two piece cast or billet aluminum design. Included is a Remote Grease Line with your carrier bearing to give you easy access to your grease fitting without requiring you to remove any plastics! Difference in C Series and U Series: C Series: This is for ultimate strength and protection. This uses a CV joint built with a chromoly cage, spide, and cup, just like an axle for extreme strength. The high quality boot keeps out mud, water, and dirt. The Constant velocity of the CV means no rattle, wobble, or balance issues are possible! - Made of 4340 Chromoly Steel. - Uses a Strong & Versatile CV Joint. - Sealed for any Riding Environment. - No Vibrations, no Wobble, no Maintenance. U Series: These are very similar to your stock U-Joints but stronger. The U-Series uses needle bearings, just like OEM, but are made with a superior 4340 chromoly steel body. They are a solid upgrade for riders who are sick of replacing stock U-joints! - Made of 4340 Chromoly Steel. - Phased and balanced -- no vibration. - Uses a Traditional Needle Bearing U-Joint. - Sealed for Long Lasting Operation.