Upgrade your Harley Davidson motorcycle's ignition system with the HardDrive HD 40V-HP Single Fire Coil Twin Cam Carb. Engineered by an industry-leading manufacturer, this high-performance coil delivers an impressive 30,000 volts, typically increasing peak spark voltage by 20% or more. Designed for both Dual Fire and Single Fire applications, it enhances spark performance, improves starting, eliminates high-speed misfires, increases mileage, and boosts overall performance.

Featuring ION Sense feedback, this coil ensures perfect compatibility with stock Harley EFI ECU systems. With a resistance of 0.6 OHM, it's the ideal upgrade for Twin Cam carbureted models (except 1999-2001 FLT/FLH) from 1999 to 2006. It replaces OEM part number 31655-99.

Item Specifics:

• Brand Number: 10-2001
• UPC: 191361439445
• Weight: 3.00 lbs
• Package Dimensions: 4.00 x 3.00 x 5.00 inches
• Type: 40V-HP Carbureted Single Fire Coil
• Compatibility:
  • Engine Type: Twin Cam Carbureted (except 1999-2001 FLT/FLH)
  • Years: 1999-2006
  • Ignition Type: Single Fire
  • Resistance: 0.6 OHM
• Replaces OEM: 31655-99
• Features:
  • Increased spark performance
  • Dual Fire and Single Fire applications
  • ION Sense feedback for perfect compatibility with stock Harley EFI ECU
  • Engineered and produced by an industry-leading manufacturer
  • High-power 30,000-volt coil typically increases peak spark voltage by 20% or more
  • Improves starting, stops high-speed misfires, increases mileage, and overall performance

Fitment Table:

This HardDrive HD 40V-HP Single Fire Coil Twin Cam Carb is compatible with the following Harley Davidson models:

Note: This coil is not compatible with 1999-2001 FLT/FLH models.