The Straightline Performance 850 E-TEC On-Trail Clutch Kit is specifically designed for Ski-Doo Gen 4, Gen 5, and Lynx Radien models equipped with 129-146 inch tracks. This complete clutching package includes Straightline's proven adjustable P-Drive weight kit, a custom-cut performance helix, both performance-calibrated clutch springs, and adjustable clickers. The result is stronger acceleration, improved throttle response, faster backshift, and enhanced tunability for riders looking to maximize trail performance.