LED Charging System Indicator Gauge. Shows Voltage of your alternator rising and falling with RPM and gives a clear indication of your charging systems normal operation and early warning of problems. Gauge is Bright High Quality Chrome plated and clamps onto 7/8” Bars and can be easily wired into any point in the system (before a switched load is best). Can be mounted as shown or to handlebar by clamp (included). Fits: All 650’s 1970-84. Alternator Brush Set - Complete set as shown. Replace brushes if carbon brush is 7mm. (0.276") or less. Fits: 1970-79 650's Note: To install pull brush assembly around to opposite side of metal bracket its soldered to and then insert into holder. Part #24-2660 $39.95/Set