Ness-Tech Chrome Radius Oil Gauge Bracket Complete Kit. This kit fits evolution big twins from 1984 and up. Ness-Tech Product 15-657.
Source: Custom Chrome
The latest Radius style features stainless housing and glass lens, filled with vibration dampening glycerin for lasting performance. Billet bracket mounts oil pressure gauge to the rear rocker box. Complete kit includes Ness ® 60-lb gauge, billet bracket