Innovative Gauges & Winning Performance
Stewart Warner Performance unloads 100 years of gauge-engineering, production and distribution into every product manufactured. Since 1905, they have supported the Original Equipment Manufacturer and Aftermarket Gauge industries with the kind of unsurpassed quality and cutting-edge technology you’d expect from an All-American Company.

Inside their Lancaster, PA facility, they take 100 years of unparalleled gauge experience and combine it with advanced manufacturing technologies to produce Stewart Warner Performance competition tachs and gauges. It doesn’t stop there, they push ourselves and their partners to continually improve the gauges, tachs and speedos we deliver. Their team is dedicated to quality workmanship and attention to detail, attributes that you can see inside every Stewart Warner Performance Gauge. further, our plant has earned the ISO 9001 and QS-9000 titles for automotive industry quality certification.