The Sealey VSE206 is a professional petrol compression test kit designed for diagnosing engine performance issues in cars and light commercial vehicles. This comprehensive kit provides mechanics and technicians with the essential tools needed to accurately measure cylinder compression, helping to identify worn piston rings, faulty valves, or head gasket problems. The kit features a clear Ø59mm gauge with a 250mm hose and quick connect fitting, displaying readings from 0-21 bar (0-300 psi) for precise compression measurements. Supplied with four extension hoses and seven plug thread adaptors ranging from 10mm to 18mm, this versatile kit accommodates most petrol engine configurations found in passenger cars and light commercials. The self-sealing quick connector ensures secure, leak-free testing, whilst the range of adaptors provides compatibility across different spark plug thread sizes. All components are organised in a durable storage case, protecting your investment and keeping every