This piston ring design offers less friction resulting in less heat transfer and better performance. The split groove also helps retain lubrication. We recommend using a piston ring clamp set 10429 when changing piston rings. These rings are 45mm in diameter and 1.5mm thick. Fits the following chainsaws: Husqvarna 50 Special, 51, 55 EPA, 254, 350 EPA, 353Replaces Part Number 503 28 90 11Solo 651 Replaces Part Number 20 48 357Stihl 029 (up to X 39 305 257), 032 Replaces Part Number 1113 034 3006
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2 weeks ago
2 weeks ago