• High Power 30,000 plus volt coil
• Replaces HD# 31609-65A
• Typically increases peak spark plug voltage by 20% or more
• Coils are black in color and bolt into stock position
• Improves starting, stops high speed miss, increases mileage and overall performance
• 12 Volt, 5.0 OHM Coil

Fits: 

• 1965-Later Harley-Davidson Points Ignitions
• 1978-1979 Harley-Davidson Electronic Ignitions