Description
A failing voltage regulator is the silent killer of Big Twin electrical systems—it leaves you stranded with a dead battery or worse, a fried charging system. The DRAG SPECIALTIES Regulator delivers rock-solid voltage stability across all electrical loads, eliminating the relay contact wear that plagues stock units. If you’re running stock electrics on a ’76-’80 Big Twin, this sealed, aluminum-bodied regulator is the upgrade that keeps your bike reliable mile after mile.
- Fits: Big Twin ’76-’80
- Material: Rugged aluminum alloy
- Finish: Black
- Relay contacts: None (sealed design)
- Voltage regulation: Accurate across all loads
- Environmental sealing: Moisture and shock resistant
- Installation: Bolt-on
- MPN: 2112-0781
- Part number: 74512-79BK







