Comprehensive kit suitable for testing fuel delivery pressure on both mechanical and electronic fuel injection systems Used to pinpoint and identify problems in filters, lines and regulators Includes assorted range of hoses, banjo bolts, hose barb fittings and unions necessary to adapt to early and later model vehicles Fuel injection pressure outside of the manufacturer’s specifications will result in poor engine performance, difficult engine start, backfire, misfire, higher than normal fuel consumption and incorrect CO levels To identify components markings are made on the component, on the box or both Spare parts available on request as a special order User manual included