Harddrive Regulator - Chrome for 1981-1988 Carbureted Harley Big Twin
About Harddrive
Harddrive is the house performance and replacement line built for American V-twins, covering everything from engine hardware and electrical to controls, lighting and chassis parts. The range is aimed squarely at Harley-Davidson and Indian riders who want a direct-fit part without dealer pricing, and it spans decades of model years — from Evolution-era Softails to current Milwaukee-Eight baggers.
This Harddrive chrome regulator is built for 1981-1988 Harley-Davidson Big Twin models with carbureted engines. It offers a premium replacement for your stock unit, ensuring your charging system delivers consistent and efficient power. Riders can trust this regulator for enhanced electrical stability on their classic V-twin.
Why riders pick this
- Chrome finish for 1981-1988 Harley Big Twin
- Designed for carbureted (non-EFI) models
- High-power SCR technology for cooler function
- Sealed, high-temperature encapsulation
- Meets or exceeds OEM specifications
- OEM-grade wiring harness
Maintain peak electrical performance on your 1981-1988 carbureted Harley Big Twin with this Harddrive chrome regulator. Essential for protecting your battery and all electrical components, this unit is designed to meet or exceed OEM specifications. Its robust construction and advanced technology ensure a cooler running and more reliable charging system, critical for vintage and modern performance builds alike.
Enhanced Electrical System Stability
- Meets or exceeds OEM specifications for a perfect fit
- High-power SCR (Silicon Controlled Rectifier) technology for cooler operation
- Sealed, high-temperature encapsulation protects internals from the elements
- Advanced circuit board design promotes efficient heat dissipation
- Equipped with an OEM-grade wiring harness for easy, secure connection
Power Your Vintage Ride with Confidence
For riders of 1981-1988 carbureted Harley Big Twins, a dependable regulator is key to a trouble-free ride. This Harddrive chrome regulator not only performs reliably but also adds a touch of classic style to your machine. It's a smart upgrade for anyone looking to improve their bike's electrical system longevity and ensure consistent power to all accessories.
Specifications
- Brand: Harddrive
- Manufacturer Part #: H1988C
- UPC: 191361170034
- Dimensions: 4.9 in L × 3.8 in W × 2.6 in H
- Weight: 1 lbs
- Country of Origin: China (Mainland)
Common questions
Will this regulator fit my 1981-1988 Harley Big Twin?
Yes, this Harddrive regulator is specifically designed for 1981-1988 carbureted Harley-Davidson Big Twin models.
Is this a direct replacement for the stock regulator?
Yes, it is designed to bolt directly in place of the OEM unit and uses the same wiring harness connections for straightforward installation.
Why does Harddrive use SCR technology in this regulator?
SCR (Silicon Controlled Rectifier) technology allows for cooler and more efficient operation, which helps maintain stable voltage and extends the lifespan of your battery and electrical components.
Ordering from Vtwinbikers
- Brand new, sourced through authorized US distribution — never used, never grey-market.
- Not sure it fits? Use Shop by Bike to filter by your year and model, or email us and we will confirm before you order.
- Harley-Davidson and Indian Motorcycle is all we do, so you are talking to people who ride what you ride.
| BRAND | Harddrive |
| TYPE | Electrical |
| SKU | 820-60125 |
| WEIGHT | 1.0 lb |
