b"PERFORMANCE ACCESSORIESSPEEDWERX HYPERSHIFT CLUTCH KITSTIGER SLIDE WEAR STRIP Developed and trusted by Team Arctic racers and designed for the demands of the high-performance riderHigh-performance slide rail wear strips provide superior wearProvides smooth, hard-pulling acceleration with excellent back resistance and improved track durability in hardpack conditionsshifting and throttle responseAdvanced, high-lubricity, ultra-low friction inserts are angled atSome models may see improved top speed 60 for continuous contact with track clipsKits vary by application, but most include adjustable machined Molded white and black swirl pattern for a custom lookweights, H5 alloy primary and secondary springs, and aNarrow profile for universal fit, easily cut to length for anycustom-cut helixapplicationCalibrated for 0-5000-ft elevation and up to 1.35-in. track lug Sold individually height unless otherwise indicated8639-422 WHITE/BLACK | Universal 121-165-in. 8639-541 ADAPT | '22-'24 ZR 80008639-359 TEAM | '20-'21 ZR 80008639-107 TEAM | '18-'19 ZR 80007639-856 TEAM | '17 ZR 80004639-615 ARCTIC | '14-'15 ZR, XF 8000; '12-'13 F, XF 800 8639-542 ADAPT | '24-'25 ZR 6008639-540 ADAPT | '22-'23 ZR 60008639-358 TEAM | '18-'21 ZR 60007639-855 TEAM | '17 ZR 60007639-863 TEAM | '18-'19 M 8000 (6-8,000 FT)7639-877 TEAM | '16-'17 M 8000 (3-6,000 FT)7639-859 TEAM | '16-'17 M 8000 (8-10,000 FT)ICE SCRATCHERSHelps prevent wear strip overheating on ice and hardpack Use caution when operating sled in reverse Some models require the removal of forward idler wheels Sold in pairs5639-897 | UNIVERSAL TWIN RAIL 1704-734 LH / 1704-735 RH | Fits 5639-897 Ice Scratchers BILLET BRAKE LEVERREPLACEMENT PARTS Comfortable, custom design with an anodized finish5639-941 -HARDWARE KIT | Fits 5639-897 Ice Scratchers Accepts production park brake lock8639-051 BLACK | Universal '19-'258639-052 GRAY | (Same application as 8639-051)8639-053 PURPLE | (Same application as 8639-051)8639-229 BRONZE | (Same application as 8639-051)50Warning: Cancer and Reproductive Harm - www.P65Warnings.ca.gov. This WARNING applies to all items that can be ordered on this page."