Professional tool for commercial or occasional use -Tests both mechanical and electrical fuel pumps. -Checks for worn or defective parts in fuel pump and vacuum system. -Shock resistant and durable -Diagnose improper timing, burned or stuck valves, leaking manifolds, improper fuel mixture, stocking choke and many more -Suitable for use on most vehicles. -Large 31/2" diameter gauge with colour coded easy reading scales -Test pressure up to 10 PSI / Test vacuum up to 28" HG -Extra long heavy duty rubber hose -14mm and 17mm manifold adapter -Brass quick release fittings for compatibility with most modern cars -Supplied in a blow molded case for easy storage and transportation. USED TO DIAGNOSE - Spark misfires - Poor engine compression - Weak / rich mixture - Ignition over advanced / retarded. - Inlet manifold and carburettor air leaks - Incorrect valve timing - Poor fuel economy - Balancing carburettors - Turbo boost gauge - Fuel pump testing SET INLCUDES THE FOLLOWING 1. 4 x 3-1/2" synchroniser gauges with fixed plate (vacuum) 2. 4 x rubber pipes 8mm x 5mm x 750mm 3. 4 tubes of extensions 3.9mm x 52mm 4. 4 tubes 3.9mm x 122mm 5. 8 tubes of conical type connectors 8mm x 40mm 6. 4 tubes M6 x 0.75 – 10mm x 53mm 7. 4 tubes M6 x 1.0 – 10mm x 60mm