Category Snowmobile/PolarisPolaris - Snowmobile Piston Kits Back Piston Kit 09-703 Snowmobile Parts & Accessories Type: STD 0.25 0.50 0.75 1.00 Viewer:1558 Item No: 09-703 Bore Size: 53mm Fits: 1976 Polaris Starfire 250 1976-1978 Polaris TX250 You May Also Be Interested In Piston Kit 09-739 Piston Ring R09-706 Connecting Rod Kit 296-01000-512 / 010-512 Water Pump Impeller Kit 46-77177A3