eMagTech Chainsaw 46mm Piston Kit 505 21 55-02 505215502 Compatible with Husqvarna 555 555XP 555XPG 560 560XP

["Model Compatibility: Compatible with Husqvarna 555 555XP 555XPG 560 560XP 560XPG 552 562XP 562XPG chainsaws with 46 mm bore.","OE Reference Match: Replaces OE 505 21 55-02 and 505215502, verify part code and size before purchase.","Compression Restore: Designed to improve sealing and restore engine compression for smoother starts.","46 mm Piston Kit: Includes aluminum piston, steel ring, wrist pin, and two circlips for complete assembly.","Rebuild Ready: Suitable for DIY or shop service, follow manual specs for proper install and break-in."]