ADJUSTABLE IGNITION MODULES FOR CARBURETED TWIN CAM & SPORTSTER

$122.34
In Stock — Ready to Ship
Ships in 48hrs
30-Day Returns
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Weight: 0.65

  • Provides a wide timing advance adjustment range for stock to highly modified engines
  • Adjustable RPM limit in 100 RPM increments up to 9,900 RPM
  • Built-in data logging stores the last 30 minutes of engine operation including RPM, vehicle speed, manifold pressure, ignition advance & battery voltage. This information is useful for tuning & diagnosing problems (requires optional PC link interface cable & software)
  • The optional PC link interface cable & Windows compatible software allows for the use of a laptop PC to program a custom advance curve for precise dyno tuning & recalibrate the speedometer & odometer to accommodate non-stock tire sizes or gearing changes
  • Visit www.daytona-twintec.com for the latest free software updates, Frequently Asked Questions (FAQs) and product information
  • Ignition modules provides full support for the J1850 data bus used for communciations with the instrument cluster and turn signal/security module. They are also compatible with the HD® scan tool to read sensor data & clear diagnostic codes
  • 17637 can be set for single spark per ignition cycle like stock or set for multiple sparks per cycle
  • Includes instructions

Daytona Twin Tec®
Optional Part
PC USB Link Interface Serial Cable & Software
PC Link Interface is designed to program custom advance curves and other engine parameters such as rear cylinder timing offset
Requires computer running Windows 98/ME/XP with a USB port and CD-ROM drive
Nine pin female connector
Includes 6 foot long cable & instructions (Included in Complete Kit)

Not legal for sale or use in California, or on any pollution controlled vehicles.

Specifications coming soon.

Shipping Information

In-stock orders ship within 1–2 business days. Shipping time varies by location and carrier. Standard domestic shipping is available for most items. Expedited options may be available at checkout.

  • Free Standard Shipping on orders over $99
  • Most orders ship within 48 business hours
  • Tracking number provided upon shipment
  • Oversized items may require freight shipping

Return Policy

We accept returns on eligible new items within 30 days of delivery. Used parts are sold as-is and may not be eligible for return. Items must be in original, uninstalled condition with all original packaging.

View full Shipping & Returns policy

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Fitment information is listed in the product details above. If you have questions about compatibility for your specific model and year, please contact our team before ordering.
New parts carry the manufacturer warranty where applicable. Used parts are sold as-is and are typically tested or described in detail. See the product condition notes for specifics.
Once your order ships, you will receive an email with a tracking number. You can also log into your account at any time to view order status.
Used parts are generally sold as-is and are not eligible for return unless there was a significant misdescription. Contact us within 7 days of delivery if you have a concern.

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