Harddrive HD Performance Single Fire Ignition Coil - Harley Milwaukee-Eight Touring
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.
Unleash the full potential of your Harley Milwaukee-Eight Touring with the Harddrive HD Performance Single Fire Ignition Coil. Engineered to deliver a stronger spark, this coil helps improve starting, smooth out your idle, and eliminate high-speed misfires that rob power.
Why riders pick this
- 30,000 volts for a stronger, more consistent spark
- 20% increase in peak spark voltage over stock
- ION Sense feedback for stock EFI compatibility
- Single fire design for Milwaukee-Eight engines
- Improves starting and fuel economy
- Eliminates high-speed misfires
This Harddrive HD Performance coil is a direct upgrade for 2017-2022 Harley-Davidson Touring models equipped with 104 or 114 cubic inch Milwaukee-Eight engines. It’s designed to work seamlessly with your stock EFI system, thanks to ION Sense feedback technology, ensuring a hassle-free installation and immediate performance benefits.
Ignite Your Ride with Enhanced Spark
- Delivers 30,000 volts for a powerful, consistent spark
- Achieves 20% or more peak spark voltage increase over stock coils
- ION Sense feedback ensures full compatibility with factory EFI
- Single fire application optimized for Milwaukee-Eight engines
- Improves cold starting and overall fuel economy
- Significantly reduces high-speed misfires for smoother power delivery
Optimized for Milwaukee-Eight Performance
Whether you're looking to uncork a detuned factory bike or maintain peak performance on a well-tuned machine, this Harddrive performance coil is a crucial upgrade. Its single-fire design is specifically tailored for M8 engines, ensuring each spark plug fires independently for maximum efficiency. Pair this with a high-flow air cleaner and a performance exhaust for a complete Stage 1 upgrade that truly wakes up your bagger.
Specifications
- Brand: Harddrive
- Manufacturer Part #: 10-2016
- UPC: 191361439520
- 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 require a special tuner or ECU reprogramming?
No, this Harddrive HD Performance coil features ION Sense feedback, making it fully compatible with your stock Harley-Davidson EFI system without the need for additional tuning or reprogramming.
What Harley-Davidson models does this ignition coil fit?
This coil is designed for 2017-2022 Harley-Davidson Touring (FLT) models equipped with 104 or 114 cubic inch Milwaukee-Eight engines. Please confirm your specific year and model using our Shop by Bike tool.
How does this coil improve my motorcycle's performance?
By delivering a higher voltage and a more consistent spark, this coil improves cold starting, reduces misfires at higher RPMs, and can even contribute to better fuel economy and overall engine smoothness.
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 | 820-60416 |
| WEIGHT | 3.0 lb |
