Fitment: Fits For GM 6.6L Duramax engines for Diesel fuel pressure and vacuum testing. Feature: Gauge assembly with 6-ft. hose and quick coupler. Equipped with a 3-1/2" gauge reading from 30 inHg to 15 PSI. This test kit is made from synthetic rubber, showing good performance and lasting service time on heat and low temperature. The gauge is equipped with high precision dial to ensure the value accurate. 100% Satisfaction Guarantee: .
