Harddrive HD Performance 30,000V EFI Coil - Harley Twin Cam 2007-2017
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.
Elevate the ignition performance of your 2007-2017 Harley-Davidson Twin Cam with the Harddrive HD Performance EFI Coil. This factory-engineered upgrade delivers a potent 30,000 volts for a more robust spark.
Why riders pick this
- Delivers 30,000-volt high-power output
- Increases peak spark voltage by 20% or more
- ION Sense feedback for stock EFI compatibility
- Improves cold starts and fuel economy
- Compatible with dual-fire and single-fire systems
Designed specifically for later model Twin Cam engines, this Harddrive HD Performance coil is a direct replacement that significantly improves your bike's ignition system. By increasing peak spark voltage by 20% or more, it ensures more efficient combustion, which translates to easier cold starts, the elimination of frustrating high-speed misfires, and even better fuel economy. It's the kind of foundational upgrade that every performance-oriented V-twin rider can appreciate.
Unlock Stronger Ignition and Efficiency
- Achieves 30,000-volt high-power output for a consistent, strong spark
- Boosts peak spark voltage by 20% or more compared to stock coils
- ION Sense feedback provides seamless compatibility with stock EFI ECUs
- Supports both dual-fire and single-fire ignition applications
- Improves cold starts and enhances overall fuel mileage
Seamless Integration for Twin Cam Riders
The Harddrive HD Performance EFI coil is built for straightforward installation, integrating perfectly with your Harley's stock EFI system thanks to its ION Sense feedback technology. This means you can achieve a significant ignition upgrade without the need for complex tuning or additional modules. Riders looking for reliable, measurable improvements in their Twin Cam's performance will find this coil to be an essential component.
Specifications
- Brand: Harddrive
- Manufacturer Part #: 10-2005
- UPC: 191361439476
- Dimensions: 5 in L × 3 in W × 4 in H
- Weight: 3 lbs
- Country of Origin: China
Common questions
Will this coil work with my stock Harley ECU?
Yes, the ION Sense feedback is engineered for direct compatibility with 2007-2017 Harley EFI control units, meaning no additional tuning is required.
How much better is the spark compared to a factory coil?
This coil typically provides a 20% or more increase in peak spark voltage, resulting in a stronger spark, especially at full RPM and in lean-burn conditions.
Is this coil difficult to install?
No, it's designed as a direct replacement for your factory coil, offering a straightforward installation process for compatible 2007-2017 Twin Cam EFI models.
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 | 820-60411 |
| WEIGHT | 3.0 lb |