1、Alloy Steel Material: Crafted from premium alloy steel, this replacement kit offers superior strength and durability, ensuring long lasting performance that can withstand the rigors of continuous use in demanding air compressor systems. 2、Perfect Fit: Compatible with both single cylinder and dual cylinder oil free pumps, this kit ensures balanced air output without any compromise in quality or functionality. 3、Easy Installation: Simply swap out the old cylinder sleeve and cylinder ring on your air compressor pump to maintain consistent air pressure and performance. 4、Versatile Compatibility: Suitable for a wide range of brands including for DeVilbiss,for Sears, for Snap On, and more, this kit is the ideal solution for model 165080 and other similar air compressors. 5、Long Lasting Performance: With this replacement set, your air compressor will continue to deliver reliable and efficient operation, ensuring smoothly and trouble free functionality for a long time to come.