Yhfias One Color 49Mm Cylinder Piston Kit Fit For S 029 039 Ms290 Ms390 Ms310 Chainsaw

YhFiaS

Decomp: Cylinder wall carries the decompression hole so the existing valve screws in directly. Rings: ring set maintains combustion seal and controls oil on the liner wall. Kit: One cylinder piston assembly with rings pin clips and base gasket ready for top-end rebuild., Manufacturer: YhFiaS3698