Description: Replacement OEM: For Partner: 351 260 340 350 352 370 390 420 For Poulan: 210 220 221 230 260 1950 2150 2450 2550 Replace Part#： 530 01 25-52 PA350 Fits： Partner Formula 350 351 352 370 371 390 401 420 400 / 5000 Package Included: 1Set Cylinder Set.
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