Product details:
Stens Cylinder Assembly Stihl 4238 020 1205 Bore Size 50 mm, Includes Piston, rings, pin and clips, Ethanol Not compatible with greater than 10% ethanol fuel, New style assembly, includes decompression hole Replaces OEM: Stens 632-704 Stihl - 4238 020 1202, Stihl
