ADC12 Alloy Construction: High-strength die-cast aluminum cylinder assembly with thickened chrome plating ensures long-lasting wear resistance and fuel efficiency for demanding outdoor tasks. Precision 48MM Bore Design: Engineered to exact specifications for seamless compatibility with 61 chain saw models, guaranteeing optimal performance and OE fitment (544 22 28-02). Complete Replacement Kit: Includes 1x cylinder assembly, 1x piston, 2x piston rings, 1x piston bayonet, and 2x circlips for hassle-free installation and immediate use. Versatile Garden Tool Solution: for agriculture, forestry, and landscaping applications, designed to enhance the durability of gasoline chain saws and outdoor equipment. Trusted Manufacturer Quality: Produced by experts specializing in garden tool parts, ensuring reliability and performance for professional-grade machinery.