Seal Your Old Diff When dirt starts sticking to the seals on your Polaris General 1000™s front diff, you know it™s about time to swap them out. You™ve got a busted diff in your future if you don™t. Get SuperATV™s Front Differential Bearing and Seal Kit, and get best-in-class hub and input seals. With the option to add a pinion bearing, there™s no better way to seal up your front differential. Built to Last You get high quality double-lipped seals to replace your stock parts. They prevent water and dirt intrusion in the most demanding rides so you can have smooth rides and a reliable diff for years. For boosted durability, be sure to add a pinion bearing too. Add a Pinion Bearing Add a double-row angular contact pinion bearing for even more longevity in your drivetrain. If your stock seals failed, then your bearing is probably compromised already. Don™t mess around, keep your diff happy, and add a pinion bearing. KIT INCLUDES (2) 52 mm ID hub seals (2) 30 mm ID hub seals (1) Input shaft seal (1) Pinion bearing (optional)