PISTON COMPATIBLE HUSQVRANA FOR MOTOR SAWS MODELS: 61 (model after 1992) PISTON ID: 48 mm PISTON LENGTH: 33 mm PISTON OUTSIDE: 12 mm PISTON INNER: 8 mm PISTON WITH FRONTAL OPENINGS HUSQVARNA TOP QUALITY Code: 54.230.1608 Original part No.: CZ