For 40 years the P-85 has been the go-to for tuners who want maximum performance and consistency from their sled’s drive clutch. Get the parts you need to convert your 2022-27 Polaris Boost and 9R RMK/Khaos to the benchmark clutch that all others in the snowmobile industry are measured against. Kit includes a genuine Polaris P-85 drive clutch with the retaining bolt, washers and driven adjuster bolt and nut. For best results, pair this clutch with an SLP Power Shift™ Clutch Kit. Spring and weights not included please inquire.