What is the main benefit of using this Twin Power ignition coil?

This ignition coil offers at least 20% more voltage than your stock unit. This improvement can lead to easier starting, a more consistent spark at higher RPMs, and a general increase in overall engine performance.

Does this ignition coil come with a warranty?

Yes, this Twin Power ignition coil includes a one-year manufacturer's warranty. This covers defects in materials and workmanship for a year from the purchase date.

What does 'direct fit' mean for this ignition coil?

A direct fit means this coil is designed to install in place of your original equipment ignition coil without requiring modifications to your motorcycle's wiring or mounting points. It's made to match the original specifications for easy replacement.

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Trusted Since 1957

Est. 1957

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

Specifications

Brand: TwinPower
Part #: 210651
UPC: 887337297316

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

Name: Twin Power 99-01 FLH With EFI Ignition Coil Black Replaces H-D 31639-99
Brand: TwinPower
SKU: twinpower-twin-power-99-01-flh-with-efi-ignition-coil-black-replaces-h-d-31639-9-t14-610611
Price: 173.04 USD
Availability: InStock

$173.04

In Stock

Twin Power ignition coil for 1999-2001 FLH EFI models. Offers 20% more voltage than stock for improved starting and performance.

Key Features

Fits 1999-2001 Harley-Davidson FLH models with EFI.
Replaces Harley-Davidson part number 31639-99.
Provides at least 20% more voltage than stock ignition coils.
Molded epoxy construction within a late O.E.M.-style case.
Helps improve starting and prevent high-speed misfires.
Increases overall engine performance.

This ignition coil is designed to fit 1999-2001 Harley-Davidson FLH models equipped with Electronic Fuel Injection (EFI).

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Product Details

Twin Power is known for well-built motorcycle parts, and this ignition coil is a great example of that. If you've got a 1999-2001 Harley-Davidson FLH model with EFI, this coil is built to replace your stock unit, specifically the H-D 31639-99 part number.

This ignition coil is constructed from durable, molded epoxy, housed in a case that looks like the original equipment. What's notable about this coil is that it puts out at least 20% more voltage than your stock one. That improved voltage can make a real difference, helping your bike start easier, especially when it's cold, and preventing those annoying misfires that can happen when you're really opening it up on the highway. You should also notice a general increase in how the bike runs.

This coil comes in a black finish and is designed as a direct fit, meaning it should install without any major modifications. It comes with a one-year manufacturer's warranty for peace of mind.