Defi

The highest grade of electronics are produced by Defi, a Nippon Seiki company. The Defi line-up includes gauges and metering devices and they are best known for their BF (black face) gauge. Another popular gauge is the Defi Racer gauge which is 52mm in size. Defi is one of the only companies left making the 52mm gauge. Nippon Seiki was started in 1946 and specializes in many variations of electronic metering and displays. The company has multiple facilities within Japan and around the world. You can get Defi parts here.