This specialized Oil Stop Valve Kit includes a Check Valve (CV) and is designed for GA55+/75+/90 series oil-injected industrial compressors, providing essential oil flow control and leakage prevention. The kit contains all necessary parts tailored to optimize and maintain the oil stop mechanism, crucial for preserving the purity and efficiency of the compressor system. It helps prevent oil from contaminating the compressed air and ensures no backflow occurs, enhancing the overall performance and reliability of the compressor. This kit is perfect for regular maintenance or urgent system repairs, keeping your GA55+/75+/90 series compressors running smoothly and efficiently with minimal downtime.