Harddrive HD Performance 30,000V Dual Fire Quad Tower Coil - Harley Sportster
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.
Upgrade your Harley Sportster with the Harddrive HD Performance Dual Fire Quad Tower Coil, engineered to deliver a robust 30,000 volts of spark energy. This high-output coil significantly boosts ignition performance for your V-twin.
Why riders pick this
- 30,000-volt high-power output
- 20% or more increase in peak spark voltage
- ION Sense feedback for stock EFI compatibility
- Improves cold starts and high-RPM performance
- Supports Dual Fire and Single Fire applications
The Harddrive HD Performance Coil is a critical upgrade for Sportster owners looking to maximize their engine's efficiency and power. By increasing peak spark voltage by 20% or more compared to stock coils, it ensures a more complete combustion cycle. This translates directly into tangible benefits on the road: more reliable cold starts, smoother high-RPM performance, and the elimination of misfires, all without needing complex tuning modifications. It's an investment in the core performance and rideability of your Sportster.
Enhanced Ignition for Sportster Power
- Delivers 30,000-volt high-power output for a robust spark
- Increases peak spark voltage by 20% or more over stock
- ION Sense feedback ensures seamless compatibility with stock Harley EFI ECUs
- Supports both dual-fire and single-fire applications
- Improves cold starts and eliminates high-speed misfire
Seamless Integration for V-Twin Riders
Featuring ION Sense feedback, this Harddrive HD Performance coil maintains perfect synchronization with your stock Harley EFI system. This means you can install this performance upgrade and immediately benefit from a stronger, more consistent spark without the need for additional tuners or fuel management systems. It's a straightforward path to better engine efficiency and responsiveness for your Sportster, ensuring a more enjoyable and powerful ride.
Specifications
- Brand: Harddrive
- Manufacturer Part #: 10-2014
- UPC: 191361439513
- Spark Output: 30,000 volts
- Length: 5 in
- Width: 3 in
- Height: 4 in
- Weight: 3 lbs
- Country of Origin: China (Mainland)
Common questions
Will this coil work with my stock Harley ECU without a tuner?
Yes, ION Sense feedback keeps the coil synced with your stock EFI computer, meaning no tuner or fuel management system is required.
Is this coil compatible with both dual-fire and single-fire ignition systems?
Yes, this Harddrive HD Performance coil is designed to support both dual-fire and single-fire applications on compatible V-twin motorcycles.
What kind of performance improvements can I expect?
You can expect improved cold starts, elimination of high-speed misfires, and enhanced high-RPM performance due to the stronger, more consistent spark.
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 | 820-60415 |
| WEIGHT | 3.0 lb |
