Fuel Pressure Gauge Set

- Comprising of two gauges for positive/negative and main pressure testing on low-pressure delivery fuel circuit found on common rail systems. - Compatible with 9.98mm button type connection system. - Suitable for use with Model No's VS555 and VS552 for those systems not supported by 9.98mm button type connections. - Can be connected in situ with fuel line for real time running pressure. - Quickly identifies fuel related problems.