Enhance the performance and longevity of your air compressor with this high-quality piston ring, expertly crafted from durable cast iron material. Designed for perfect compatibility with double-cylinder 2055 models and pistons featuring a cylinder diameter of 55mm (2.2 inches), this piston ring ensures excellent airtightness between the piston and cylinder wall, promoting efficient operation and easy installation or removal. Key Features: · Premium Cast Iron Construction: Provides excellent oxidation resistance and rust prevention, ensuring a long-lasting, durable piston ring. · Precise Fit for Double-Cylinder 2055: Specifically engineered to fit double-cylinder 2055 air compressors and pistons with a 55mm (2.2 inches) diameter, guaranteeing seamless replacement without modification. · Effective Airtight Seal: Maintains strong airtightness between the piston and cylinder wall to optimize compressor performance and reduce air leakage. · Easy Installation and Replacement: Designed for convenient installation and removal; replace the piston ring when the axial clearance of the gas ring exceeds 0.13mm to maintain optimal compressor function. · Reliable Engine Component Replacement: Ideal as a direct replacement part for old or damaged piston rings, restoring the efficiency and reliability of your air compressor engine. Specifications: · Item Type: Piston Ring · Material: Cast Iron · Drive Mode: Pneumatic · Applicable Models: Double-Cylinder 2055 · Suitable Piston Diameter: 55mm / 2.2in Package Includes: · 1 x Piston Ring This piston ring is an essential accessory for maintaining and repairing your pneumatic air compressor, ensuring smooth operation and extending engine life through its robust material and precise fit. Trust this piston ring to provide reliable performance and protection against wear and oxidation.