− Decrease quantity for Gauge, Boost Pressure, 0-35 psi, 2 1/16 in., Analog, Mechanical, Black Face, 10 ft. Nylon Tubing, Each Quantity + Increase quantity for Gauge, Boost Pressure, 0-35 psi, 2 1/16 in., Analog, Mechanical, Black Face, 10 ft. Nylon Tubing, Each Add to cart