4pcs 50mm X 1.5mm Piston Ring Fit for H 268 268XP 268K 66 266 371 372 S 038 J 2063 625 670 2071 Chainsaw 503289017

YhFiaS

Ring: compression rings maintain combustion seal and control oil on the liner wall. Pack: supplied ready to install into the piston grooves for top-end service. Swap: Matches factory ring diameter and width for direct fit without filing the ends. Use: Restores steady idle and reduces smoke during prolonged cutting sessions., Manufacturer: YhFiaS3698