Twin Power 99-01 FLH With EFI Ignition Coil Black Replaces H-D 31639-99 1.4 lb

Twin Power™ coils are the high-quality direct fit with at least 20% more voltage than stock. Constructed from durable high-quality, molded-epoxy, in a late O.E.M.-style molded case, these ignition coils improve starting, prevent high-speed misfires and increase overall performance. They are available in black and chrome, and come with a one-year manufacturer's warranty.

• Direct replacements restore factory spark output across Big Twin, XL, V-Rod, and Softail applications from 1965-2021
• High-energy output ensures crisp throttle response, easy starting, and strong combustion under all conditions
• Black/Chrome housings match stock aesthetics with precise ohm ratings for reliable ignition performance

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