This Sealey Motorcycle Compression & Fuel Pressure Gauge Set includes three gauges with connectors and adaptors for testing both compression and fuel pressure on motorcycles. The compression gauge ranges from 0-300psi, while the fuel pressure gauge ranges from 0-7bar (0-100psi) and the low-pressure fuel gauge ranges from 0-1bar (0-100kPa). The set includes spark plug sizes of 8, 10, 12, and 14mm, with hose lengths of 220mm. Fuel connectors are available in Ø6.4 and 7.9mm sizes. This product comes with a 1-year guarantee.