Daytona Twin Tec Ignition Module for 1999-2006 Harley-Davidson Twin Cam and XL Carbureted
Dial in your ignition timing and unlock more of your engine’s potential on every ride. The Daytona Twin Tec module gives carbureted Harley riders precise, programmable control over their ignition — turning a stock setup into one that responds better at the throttle, cruises smoother through the gears, and starts reliably every time.
Key Features
- Two advance curve families accommodate both stock and modified engine builds
- Selectable multi-spark mode improves cold starting and smooths out cruising
- Four rotary switches control mode selection, timing advance, advance slope, and RPM limit
- RPM limit adjustable in 100 RPM increments for precise rev ceiling control
- Coil outputs protected against short circuits
- Optional USB interface supports custom advance curve programming via free software at daytona-twintec.com
- Easy-to-follow installation instructions included
- Made in the U.S.A.
Technical Specifications
- Connector Type: Dual 12-Pin (1999-2003 Twin Cam) / Single 12-Pin (2004-2006 Twin Cam and Sportster XL)
- Engine Compatibility: Carbureted only — will not work on fuel-injected models
- Advance Curves: Two selectable families for stock and modified engine applications
- RPM Limit Adjustment: Adjustable in 100 RPM increments
- Multi-Spark Mode: Selectable
- Coil Requirement: OEM coils with less than 1-ohm primary resistance required
- Plug Wire Requirement: Low-resistance spiral-core or carbon-core suppression-type plug wires required
- CARB Compliance: CARB-exempt version available per California E.O. #D-641-1
- Programming Interface: Optional USB interface required for custom advance curves (sold separately)
- Country of Origin: United States
Fitment Notes
- Will not work on fuel-injected models — carbureted applications only
- Requires OEM coils with less than 1-ohm primary resistance
- Requires low-resistance spiral-core or carbon-core suppression-type plug wires
- 12V power adapters for bench testing are sold separately
- Custom advance curve programming requires the optional USB interface (Part #18014); free software available at daytona-twintec.com
- CARB-exempt versions comply with California Air Resources Board E.O. #D-641-1
- Also fits 2004-2007 American Ironhorse motorcycles — see Fitment tab for details
- Please review the Fitment tab for the complete year and model breakdown
Paul C. –
Item arrived as described and in time, thanks!