Aeromotive's new fuel pressure gauges combined cutting edge technology, performance, and reliability with traditional great looks! These shock absorbing, liquid-filled fuel pressure gauges incorporate a revolutionary feature to correct for temperature sensitivity and provide you with the best of both worlds--dependability and accuracy. Both Aeromotive high and low pressure versions feature a unique pressure equalization pin that permits you to equalize internal gauge case pressure to atmosphere--any time--restoring accuracy, regardless of operating temperature. Shocking? No, they're shock-absorbing gauges from Aeromotive--the people who continue to deliver unparalleled value!