Savior 50mm Big Bore Cylinder Head Piston Kit Ring Pin Clips Assembly for Husqvarna 61 268 272 272K 272XP Chainsaw Replace 503 61 10-71 High quality repair cylinder piston kit Cyliner diameter: 50mm Refer to Part No.: 5036110-71 Fit HUSQVARNA 61 268 272 272K 272XP Chainsaw