Compufire parts and accessories are stocked at Vtwinbikers for Harley-Davidson and Indian Motorcycle applications. Every Compufire item we list is new and sourced through authorized distribution. If you are not certain a part matches your year and model, use Shop by Bike or email our team before you order and we will confirm fitment first.
Transform your carbureted 1970-1999 Harley Big Twin's ignition system with the Compufire Ignition Kit. This comprehensive kit provides a complete upgrade, replacing factory points or electronic ignitions for superior spark and reliability.
The Compufire Ignition Kit is designed to breathe new life into your classic Harley-Davidson Big Twin. It converts your ignition to a single-fire setup, delivering a more precise and powerful spark for improved combustion. This results in smoother running, better throttle response, and the ability to finely tune your engine's performance characteristics.
This kit is a direct swap for your existing ignition, with the coil mounting in the OEM location under the stock cover. The included static timing LED light simplifies the setup process, ensuring accurate timing without specialized tools. Whether you're upgrading an older points system or an early electronic ignition, this Compufire kit provides a robust and tunable solution for your carbureted Big Twin.
Will this ignition kit fit my fuel-injected Harley Big Twin?
No, this Compufire Ignition Kit is specifically for carbureted Harley-Davidson Big Twin models from 1970-1999. It is not compatible with EFI systems.
What components are included in this ignition kit?
The kit includes the ignition module, a single-fire coil, spark plug wires, mounting hardware, and a static timing LED light for installation.
Does this kit require any modifications to my primary cover?
No, the included coil is designed to mount in the OEM location under your stock primary cover, ensuring a clean and factory-like fit.
| BRAND | Compufire |
| TYPE | Electrical |
| SKU | 139-10009 |
| WEIGHT | 3.0 lb |
Great the one it replaced lasted 10 years hopefully this one will do the same have been out already will be doing the same again this Saturday great service free baseball hat would’ve been a nice touch your stickers are all over the bike where harley would’ve been thanks again
Great ignition system..4 star rating because the rotor washer was missing
Works great so far
Put this on my bike and it runs perfect again. Very easy to install.
Easy installation and no problems getting it set up
