− Decrease quantity for Gauge, Sport-Comp II, Chevy Red Bowtie Emblem, Boost Pressure, 0-60 psi, 2 1/16 in., Analog, Mechanical, Each Quantity + Increase quantity for Gauge, Sport-Comp II, Chevy Red Bowtie Emblem, Boost Pressure, 0-60 psi, 2 1/16 in., Analog, Mechanical, Each Add to cart