The Genuine Echo 90181Y Tune-Up Kit is a high-quality maintenance product designed specifically for ECHO trimmers, edgers, pole pruners, power heads, bed refiners and hedge trimmers. This tune-up kit includes all the necessary components to keep your 2-stroke engine running smoothly, ensuring optimal performance and durability. This kit is compatible with SRM-2620/T/U, SRM-3020/T/U, PE-2620/S, PPF-2620, PPT-2620/H, HCA-2620, SHC-2620, PAS-2620, and BRD-2620.