TwinPower TWP210528 Ignition Coil - Black - Replaces H-D 31614-83A

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 1965-2020
• 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

The TwinPower TWP210528 ignition coil is a direct-fit replacement designed to restore reliable spark output on select Harley-Davidson Big Twin and XL applications. Its high-energy design produces at least 20% more voltage than stock, supporting easier starting, crisp throttle response, and strong combustion.

Key Features & Performance Benefits

• High-energy output: Delivers at least 20% more voltage than stock for improved ignition performance.
• Direct-fit replacement: Restores factory spark output on applicable Big Twin and XL models.
• Durable construction: Molded-epoxy construction and a late O.E.M.-style molded case support dependable service.
• Reliable operation: Helps prevent high-speed misfires while improving starting and overall performance.

Key Product Specifications & Technical Data

• Brand: TwinPower
• Part number: TWP210528
• Product type: Ignition coil
• Finish: Black
• Voltage output: At least 20% more than stock
• Construction: Molded epoxy
• Case style: Late O.E.M.-style molded case
• Replacement reference: H-D 31614-83A

What's Included

One TwinPower TWP210528 black ignition coil.

Fitment

Listed fitment includes 1980 Harley-Davidson FLT Tour Glide, FXB Sturgis, FXE Super Glide, FXEF Fat Bob, FXS Low Rider, and FXWG Wide Glide, plus 1981 Harley-Davidson FLT Tour Glide, FXE Super Glide, FXEF Fat Bob, and FXS Low Rider. The product data also identifies applications across Big Twin and XL models from 1965 through 2020, including V-Rod and Softail applications.

Fitments:
1980 Harley Davidson FLH Electra Glide Base
1980 Harley Davidson FLHS Electra Glide Sport Base
1980 Harley Davidson FLT Tour Glide Base
1980 Harley Davidson FXB Sturgis Base
1980 Harley Davidson FXE Super Glide Base
1980 Harley Davidson FXEF Fat Bob Base
1980 Harley Davidson FXS Low Rider Base
1980 Harley Davidson FXWG Wide Glide Base
1980 Harley Davidson XLS Roadster Base
1981 Harley Davidson FLHS Electra Glide Sport Base
1981 Harley Davidson FLT Tour Glide Base
1981 Harley Davidson FXB Sturgis Base
1981 Harley Davidson FXE Super Glide Base
1981 Harley Davidson FXEF Fat Bob Base
1981 Harley Davidson FXS Low Rider Base
1981 Harley Davidson FXWG Wide Glide Base
1981 Harley Davidson XLS Roadster Base
1982 Harley Davidson FLHS Electra Glide Sport Base
1982 Harley Davidson FLT Tour Glide Base
1982 Harley Davidson FXB Sturgis Base
1982 Harley Davidson FXE Super Glide Base
1982 Harley Davidson FXEF Fat Bob Base
1982 Harley Davidson FXR Super Glide II Base
1982 Harley Davidson FXRS Low Glide Base
1982 Harley Davidson FXS Low Rider Base
1982 Harley Davidson FXWG Wide Glide Base
1982 Harley Davidson XLS Roadster Base
1983 Harley Davidson FLHS Electra Glide Sport Base
1983 Harley Davidson FLHTC Electra Glide Classic Base
1983 Harley Davidson FLT Tour Glide Base
1983 Harley Davidson FXDG Disc Glide Base
1983 Harley Davidson FXE Super Glide Base
1983 Harley Davidson FXEF Fat Bob Base
1983 Harley Davidson FXR Super Glide II Base
1983 Harley Davidson FXRS Low Glide Base
1983 Harley Davidson FXRT Sport Glide Base
1983 Harley Davidson FXSB Low Rider - Belt Base
1983 Harley Davidson FXWG Wide Glide Base
1983 Harley Davidson XLS Roadster Base
1984 Harley Davidson FLHS Electra Glide Sport Base
1984 Harley Davidson FLHTC Electra Glide Classic Base
1984 Harley Davidson FXE Super Glide Base
1984 Harley Davidson FXEF Fat Bob Base
1984 Harley Davidson FXR Super Glide II Base
1984 Harley Davidson FXRDG Disc Glide Base
1984 Harley Davidson FXRS Low Glide Base
1984 Harley Davidson FXRT Sport Glide Base
1984 Harley Davidson FXSB Low Rider - Belt Base
1984 Harley Davidson FXST Softail Standard Base
1984 Harley Davidson FXWG Wide Glide Base
1984 Harley Davidson XLS Roadster Base

Air Freight Prohibited: false
Not Carb Approved: false
Carb Acknowledgement Required: false
Ltl Freight Required: false
Prop 65: Unknown
Part Type: powersports
Epa: N/A
Regular Stock: t
Units Per Sku: 1