45mm Piston Pin Ring Kit For HUSQVARNA 51 50 Special Chainsaw Replacement Parts OEM 503608171, 503 60 81-71
https://www.vogueparade.com/shopping/EN/12503/1/32765384245/45mm-piston-pin-ring-kit-for-husqvarna-51-50-special-chainsaw-replacement-parts-oem-503608171-503-60-81-71//