i had this on my bike for about 3 months through this past winter. i just changed bars and had to buy another mounting bracket. This one's a 9.5/10 if you're looking for show chrome. The mounting holes are 3 1/2" on center if you not sure about fit.

From HD's site:
"Polished and chrome-plated to a brilliant shine, this steel bracket is designed to mount a 2-5/8" Mini Gauge at the ideal viewing angle. Designed for specific applications, these brackets are easy-to-install, and do not interfere with hand controls or indicator lights. Gauge installation requires separate purchase of Gauge Housing.
Fits '06-later FXDWG, '08-later FXDF, '07-later FXSTC, and '09-later FLSTC models. Will not fit models equipped with one-piece handlebar with integrated risers, riser kit P/N 56916-07, models equipped with Headlamp Nacelle Kit, models equipped with Handlebar mounted Micro Gauges, Road Tech™ Electronic Compass or Road Tech™ Radio."
MSRP US $64.95

$50 shipped CONUS incl/pp fees.