Electronic Voltage Regulator in Black for All Sportster 77-81
Hybrid Design, w/12 Volt Generator, OEM PN 74504-78
ACCEL Motorcycle electronic voltage regulators do not require any re-wiring or special mounting. Heavy Duty solid-state circuitry and years of technology produce a regulator that has quality second to none and reliability that you can depend on year after year. Voltage Regulator, Black, Harley-Davidson.