Harddrive HD Performance Coils - 30v-HP Dual Fire Coil END Posts Elct IGN 1985-… — Harley-Davidson (1985-1998)

Harddrive HD Performance 30,000-volt dual-fire ignition coil for V-twin motorcycles, engineered to increase peak spark voltage by 20% or more over stock. ION Sense feedback integrates seamlessly with stock Harley EFI systems while improving cold starts, eliminating high-speed misfire, and boosting fuel economy.

Features

• 30,000-volt high-power output
• Dual Fire and Single Fire compatible
• ION Sense feedback for stock EFI ECU integration
• Increases peak spark voltage 20%+
• Improves cold-start performance
• Reduces high-speed misfires

Specifications

• Brand: Harddrive
• Manufacturer Part #: 10-2025B
• UPC: 191361439391
• Voltage Output: 30,000 volts
• Dimensions: 5 in L × 3 in W × 4 in H
• Weight: 3 lbs
• Country of Origin: China (Mainland)

Fitment

Fits V-twin motorcycles with dual-fire or single-fire ignition systems and stock EFI. Compatible with Harley-Davidson and Indian Motorcycle platforms using ION Sense feedback.

Frequently Asked Questions

Will this coil work with my stock Harley EFI?

Yes — ION Sense feedback makes it fully compatible with stock Harley EFI ECUs without requiring a separate tuner.

How much horsepower will I gain?

This coil improves spark quality and combustion efficiency, resulting in better starts and smoother running. Peak spark voltage increases 20% or more versus stock.

Does it fit both dual-fire and single-fire systems?

Yes — this coil is compatible with both dual-fire and single-fire ignition configurations.

What problems does this solve?

Eliminates high-speed misfires, improves cold-start reliability, and can help increase fuel mileage through more complete combustion.