Big Twin Ignition & Electrical

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      131 products
      Manual Prism Supply Quick Start Lever with a black knob on an isolated white background.
      Manual Prism Supply Quick Start Lever with a black knob on an isolated white background.
      Prism Supply
      Prism Supply Quick Start Lever
      $119.99
      TC Bros. offers TC Bros. e-gift cards for motorcycle enthusiasts.
      TC Bros.
      TC BROS. GIFT CARD
      from $10.00
      A black V-Factor High Performance Starter Motor- Black 89-06 Big Twin (Except 06 Dyna) OEM# 31553-90 & 31553-94 on a white background.
      V-Factor
      High Performance Starter Motor- Black 89-06 Big Twin (Except 06 Dyna) OEM# 31553-90 & 31553-94
      $208.70
      A Dynatek 2000TC programmable ignition module with a blue and white label on a black casing.
      Dynatek
      Dynatek 2000TC Programmable Digital Performance Ignition Module For '99-'03 Harley Davidson FL and F
      $325.54
      A ThunderMax ECM With Auto Tune Closed Loop System For Harley 2014-2020 power supply with two wires attached to it.
      A set of ThunderMax ECM With Auto Tune Closed Loop System wires and cables for a Harley 2014-2020 car.
      ThunderMax
      ThunderMax ECM With Auto Tune Closed Loop System For Harley 2014-2020
      $1,088.95
      A black and white braided cord on a Moto Iron® Black (14ga) Vintage Cloth Covered Wire 25ft background.
      A Moto Iron® black and white braided cord on a white background with Moto Iron® vintage style cloth covered wire.
      Moto Iron®
      Black (14ga) Vintage Cloth Covered Wire 25ft
      $27.95
      8 reviews
      An Antigravity Lithium Battery - 8 Cell AG-801 - Small Case by AntiGravity on a white background.
      AntiGravity
      Antigravity Lithium Battery - 8 Cell AG-801 - Small Case
      $179.95
      A Dynatek 2000I PC Programmable Electronic Ignition for Harley wiring kit with cam cover and engine builds.
      Dynatek
      Dynatek 2000I PC Programmable Electronic Ignition for Harley
      $264.43
      A TC Bros Holey Battery Box for YTX14AH or 12N14 Series batteries, featuring strategically placed holes for ventilation.
      A TC Bros. Holey Battery Box for YTX14AH or 12N14 Series motorcycle parked in front of a building.
      TC Bros.
      TC Bros Holey Battery Box for YTX14AH or 12N14 Series
      $89.95
      12 reviews
      A Dyna S Ignition Complete Kit - Dual Fire for Harley Davidson Models wiring kit with a Dynatek Ignition and Harley Davidson Models.
      Dynatek
      Dyna S Ignition Complete Kit - Dual Fire for Harley Davidson Models
      $204.43
      A TC Bros Holey Battery Box with dimensions and holes on it.
      A TC Bros Holey Battery Box for 1981-03 Sportster YTX20 or YB16 Series pedal holder with dimensions and a screw.
      TC Bros.
      TC Bros Holey Battery Box for 1981-03 Sportster YTX20 or YB16 Series
      $89.95
      13 reviews
      A Cycle Electric CE-320 Rectifying Regulator fits 1989-1996 Harley Davidson FL, 89-98 FXD FXR power supply for a motorcycle.
      Cycle Electric
      CE-320 Rectifying Regulator fits 1989-1996 Harley Davidson FL, 89-98 FXD FXR
      $158.06
      A Goodridge Banjo Bolt Brake Switch 3/8"-24 Threads with a red wire attached to it.
      Goodridge
      Banjo Bolt Brake Switch 3/8"-24 Threads
      $21.95
      17 reviews
      A Weatherproof Ignition Switch (with momentary start) 13/16" from Mid-USA with a key attached to it.
      A Mid-USA Weatherproof Ignition Switch (with momentary start) 13/16
      Mid-USA
      Weatherproof Ignition Switch (with momentary start) 13/16"
      $45.40
      10 reviews
      Digital KOSO D2 heads-up display (HUD) showcasing a multifunction meter, speedometer, rpm, and various vehicle warning indicators.
      Digital KOSO D2 heads-up display (HUD) showcasing a multifunction meter, speedometer, rpm, and various vehicle warning indicators.
      Koso
      KOSO D2 - Multifunction Meter for Harley-Davidson® 2014-2024 Touring Models
      $289.95
      A device with a yellow cable attached to it, designed for optimal performance and fuel tuning, known as the Dynojet Power Vision.
      A set of Dynojet Power Vision 3 06-13 Touring, 06-10 Softail, 06-11 Dyna & 07-13 Sportster J1850 ECM cables and a remote control for a car, serving as fuel tuner to optimize the car's performance with Dynojet.
      Dynojet
      Dynojet Power Vision 3 06-13 Touring, 06-10 Softail, 06-11 Dyna & 07-13 Sportster J1850 ECM
      $477.76
      A CE-32A Alternator Kit 32 amp, made by Cycle Electric, for an electric motor with a wire and a coil, specifically designed to fit Harley-Davidson EVO big twins and includes a permanent magnet alternator charging kit.
      Cycle Electric
      CE-32A Alternator Kit 32 amp fits Harley Davidson Evo Big Twins
      $458.99
      An Dual-Fire Ignition Kit for Harley Davidson Big Twin, Dyna, and Sportster models and accessories including a bracket, electrical connector, and various mounting hardware on a white background are components of the Dynatek ignition systems.
      An Dual-Fire Ignition Kit for Harley Davidson Big Twin, Dyna, and Sportster models and accessories including a bracket, electrical connector, and various mounting hardware on a white background are components of the Dynatek ignition systems.
      Dynatek
      Dual-Fire Ignition Kit - For Harley Davidson Big Twin, Dyna, and Sportster models
      $211.10
      A Moto Iron® Universal Ignition Switch with labeled terminals on a white background.
      A Moto Iron® Universal Ignition Switch with labeled terminals and a 3 Position switch.
      Moto Iron®
      Universal Ignition Switch
      $18.95
      34 reviews
      A V-Factor High Performance Starter Motor- Chrome 2007-2017 Twin Cam & 06 Dyna OEM# 31621-06A.
      V-Factor
      High Performance Starter Motor- Chrome 2007-2017 Twin Cam & 06 Dyna OEM# 31621-06A
      $227.65
      A ThunderMax ECM with Autotune closed-loop system for Harley 2001-2010, a black box with two wires attached to it.
      A set of ThunderMax ECM With Autotune Closed Loop System For Harley 2001-2010 wires and cables for a car.
      ThunderMax
      ThunderMax ECM With Autotune Closed Loop System For Harley 2001-2010
      $1,088.95
      A ThunderMax ECM With Autotune Closed Loop System For Harley 2008-2013 with two wires attached to it.
      ThunderMax
      ThunderMax ECM With Autotune Closed Loop System For Harley 2008-2013
      $1,088.95
      An image of an electric motor with wires and Cycle Electric CE-9902 Stator fits 1999-2003 Dyna & 2000 Softail Harley Davidson OEM 29951-99.
      Cycle Electric
      CE-9902 Stator fits 1999-2003 Dyna & 2000 Softail Harley Davidson OEM 29951-99
      $120.34
      Replace with: Dynatek Programmable Digital Ignition Module - For '99-'03 FXD '99-'03 Big Twin Models, for engine performance enhancement with advanced curves.
      Replace with: Dynatek Programmable Digital Ignition Module - For '99-'03 FXD '99-'03 Big Twin Models, for engine performance enhancement with advanced curves.
      Dynatek
      Programmable Digital Ignition Module - For '99-'03 FXD '99-'03 Big Twin Models
      $325.54
      A copper ring with a CE-8999 Stator in the middle for Harley Davidson Evo Big Twins equipped with a Cycle Electric stator and a 32 amp electrical system.
      Cycle Electric
      CE-8999 Stator fits 1989-1999 Harley Davidson Evo Big Twins w/ 32 amp Alternator
      $107.97
      A compact AntiGravity Lithium Battery - 16 Cell AG-1601 - Small Case on a white background.
      AntiGravity
      Antigravity Lithium Battery - 16 Cell AG-1601 - Small Case
      $289.95
      A black rectangular electronic device labeled "Dynatek TC88 Performance Ignition Module - For '04-'05 FX, '04-'06 FL Models" with switches on the side, manufactured by Dynatek in Glendora, California, featuring an adjustable rev limiter and advanced curves for optimal performance.
      Dynatek
      Dynatek TC88 Performance Ignition Module - For '04-'05 FX, '04-'06 FL Models
      $288.87
      An ignition switch with a key and a Mid-USA Universal Ignition Switch (4 Position w/ Momentary Start) 3/4".
      A small metal Mid-USA Universal Ignition Switch (4 Position w/ Momentary Start) 3/4
      Mid-USA
      Universal Ignition Switch (4 Position w/ Momentary Start) 3/4"
      $44.67
      15 reviews
      An AntiGravity Antigravity Lithium Battery - 4 Cell AG-401 - Small Case on a white background.
      AntiGravity
      Antigravity Lithium Battery - 4 Cell AG-401 - Small Case
      $119.95
      A Cycle Electric CE-540L Regulator fits 12 volt Harley Davidson Generators on a white background.
      Cycle Electric
      CE-540L Regulator fits 12 volt Harley Davidson Generators
      $177.75
      The Koso D2 Heads-Up Display for Harley '04-'11 FX, '04-'13 FL, and '04-'13 XL models shows a speed of 99 km/h with various dashboard indicators and icons illuminated below, featuring a multifunction meter for enhanced riding information.
      The Koso D2 Heads-Up Display for Harley '11-'17 FX, '11-'23 FL, and '15-'22 XL models showcases a digital vehicle dashboard with a top speed of 299 km/h, featuring a tachometer and multiple indicators in both the upper and lower sections. This plug-and-play multifunction meter is designed for compatibility with Harley models.
      Koso
      Koso D2 Heads-Up Display For Harley '04-'11 FX, '04-'13 FL & '04-'13 XL models
      $269.96
      A replacement CE-8010-08 Stator for a Harley-Davidson motorcycle with a stator and a connector, manufactured by Cycle Electric.
      Cycle Electric
      CE-8010-08 Stator fits 2008-2017 Harley Davidson Dyna & Softail Models
      $164.82
      A high-quality CE-8012 Stator for a motorcycle by Cycle Electric.
      Cycle Electric
      CE-8012 Stator fits 2006-14 Harley Davidson FLH & FLT Models
      $160.38
      A Wyatt Gatling wiring harness for a car, compatible with Harley motorcycles and including the Extended Handlebar Wiring Harness (+8") With Switches For Harley 1996-2006.
      Wyatt Gatling
      Extended Handlebar Wiring Harness (+8") With Switches For Harley 1996-2006
      $101.69
      An ignition coil for an internal combustion engine, with a label warning it is not for use with solid-state ignition systems. Designed specifically for Big Twin Sportster FXD Models, the Dynatek Twin Fire II Miniature 3 Ohm Coil is a perfect fit.
      An ignition coil for an internal combustion engine, with a label warning it is not for use with solid-state ignition systems. Designed specifically for Big Twin Sportster FXD Models, the Dynatek Twin Fire II Miniature 3 Ohm Coil is a perfect fit.
      Dynatek
      Twin Fire II Miniature 3 Ohm Coil - For Big Twin, Sportster, and FXD Models
      $167.76
      A Moto Iron® vintage style cloth covered Red Vintage Cloth Covered Wire 25ft rope with a white cord on it.
      A Red Vintage Cloth Covered Wire 25ft by Moto Iron® on a white background.
      Moto Iron®
      Red Vintage Cloth Covered Wire 25ft
      $27.95
      Assorted Drag Specialties Advance Unit Assembly kits, possibly for a Sportster or a Big Twin vehicle, displayed on a white background.
      Drag Specialties
      Advance Unit Assembly - For Sportster, Big Twin, and FXD models
      $46.95
      A metal hook on a white background with TC Bros Bolt On 3/4 Ignition Switch Mounting Tabs.
      A diagram showing the dimensions of an installation hole for a Bolt On 3/4 Ignition Switch Mounting Tab by TC Bros.
      TC Bros.
      Bolt On 3/4 Ignition Switch Mounting Tab by TC Bros
      $5.95
      14 reviews
      A Cycle Electric CE-608 Rectifying Regulator for 2009-2013 Harley Davidson FLH FLT Models with Low Mount Oil Cooler.
      Cycle Electric
      CE-608 Rectifying Regulator 2009-2013 Harley Davidson FLH FLT Models w/ Low Mount Oil Cooler
      $208.52
      A Cycle Electric CE-204 Rectifying Regulator fits 1981-1988 Harley-Davidson FX FL with wires and a rectifying regulator.
      Cycle Electric
      CE-204 Rectifying Regulator fits 1981-1988 Harley-Davidson FX FL
      $159.57
      A black Cycle Electric motor on a white background, featuring the Generator DGV-5006H 6 Volt for 1936-1957 Harley-Davidsons w/Heli Coils.
      Cycle Electric
      Generator DGV-5006H 6 Volt for 1936-1957 Harley-Davidsons w/Heli Coils
      $554.38
      A black electrical connector on a white background that is the 5 ohm Dual Fire Coil - for Points Ignition - OEM 3160965 made by Drag Specialties.
      Drag Specialties
      5 ohm Dual Fire Coil - for Points Ignition - OEM 3160965
      $67.95
      The Koso D2 Heads-Up Display for Harley '11-'17 FX, '11-'23 FL, and '15-'22 XL models showcases a digital vehicle dashboard with a top speed of 299 km/h, featuring a tachometer and multiple indicators in both the upper and lower sections. This plug-and-play multifunction meter is designed for compatibility with Harley models.
      The Koso D2 Heads-Up Display for Harley '11-'17 FX, '11-'23 FL, and '15-'22 XL models showcases a digital vehicle dashboard with a top speed of 299 km/h, featuring a tachometer and multiple indicators in both the upper and lower sections. This plug-and-play multifunction meter is designed for compatibility with Harley models.
      Koso
      Koso D2 Heads-Up Display For Harley '11-'17 FX, '11-'23 FL & '15-'22 XL models
      $269.96
      A black Generator DGV-5000-L-BLK 12 Volt Low Voltage for 1965-84 Harley-Davidsons - Blacked Out, by Cycle Electric, on a white background.
      Cycle Electric
      Generator DGV-5000-L-BLK 12 Volt Low Voltage for 1965-84 Harley-Davidsons - Blacked Out
      $526.55
      A black Mid-USA wire with a motor and a Universal 7mm Black Spark Plug Wire Set 28" Long (Fits All Harley Models) wires.
      A motorcycle parked in front of a building with Mid-USA Universal 7mm Black Spark Plug Wire Set 28
      Mid-USA
      Universal 7mm Black Spark Plug Wire Set 28" Long (Fits All Harley Models)
      $16.95
      4 reviews
      A CE-84T-99 Stator Rotor & Regulator Kit for an electric motor with wires and Cycle Electric charging system.
      Cycle Electric
      CE-84T-99 Stator Rotor & Regulator Kit fits 99-03 Harley-Davidson FLH and FLT Models
      $539.67
      A set of Wyatt Gatling Cloth Braided Spark Plug Wire Kit 7mm - Red w/Black Tracer.
      A Wyatt Gatling Cloth Braded Spark Plug Wire Kit 7mm - Red w/Black Tracer for optimal motor performance.
      Wyatt Gatling
      Cloth Braded Spark Plug Wire Kit 7mm - Red w/Black Tracer
      $21.95
      A set of Wyatt Gatling Cloth Braided Spark Plug Wire Kit 7mm - Tan w/Black Tracer hoses in black and gold for a chopper motorcycle.
      A set of Wyatt Gatling Cloth Braided Spark Plug Wire Kit 7mm - Tan w/Black Tracer hoses in black and gold for a chopper motorcycle.
      Wyatt Gatling
      Cloth Braded Spark Plug Wire Kit 7mm - Tan w/Black Tracer
      $23.80
      A black Cycle Electric Generator DGV-5000-BLK 12 Volt for 1965-1984 Harley-Davidsons - Blacked Out on a white background.
      Cycle Electric
      Generator DGV-5000-BLK 12 Volt for 1965-1984 Harley-Davidsons - Blacked Out
      $521.58
      High-quality spark plug wire kit with braided cloth jacket and gold-plated connectors by Wyatt Gatling.
      High-quality spark plug wire kit with braided cloth jacket and gold-plated connectors by Wyatt Gatling.
      Wyatt Gatling
      Cloth Braded Spark Plug Wire Kit 7mm - Black w/Red Tracer
      $21.95
      A Deltran Battery Tender 12V Charger/Maintainer .75amp for 12V batteries, all in one package.
      Deltran
      Battery Tender 12V Charger/Maintainer .75amp
      $44.95
      A Drag Specialties High Performance Starter Motor- Black 2018-2022 M8 Softail Models OEM# 31400057 for M8 Softail Models on a white background.
      Drag Specialties
      High Performance Starter Motor- Black 2018-2022 M8 Softail Models OEM# 31400057
      $349.95
      A Momentary Pushbutton Switch for Handlebars or Flat Surface with the brand name Mid-USA, designed for clean mounting on handlebars.
      Mid-USA
      Momentary Pushbutton Switch for Handlebars or Flat Surface
      $14.95
      9 reviews
      A motor and a clutch on a white background featuring the Regulator CE-540 for Harley-Davidson 12 Volt Generators 65 Amp Output by Cycle Electric.
      Cycle Electric
      Regulator CE-540 for Harley-Davidson 12 Volt Generators 65 Amp Output
      $177.75
      The TC88 digital performance ignition by Dynatek, is a Programmable Digital Ignition Module for Harley Davidson Dyna & Big Twin models.
      Dynatek
      Programmable Digital Ignition Module - For Harley Davidson Dyna & Big Twin models
      $332.05
      A Moto Iron® vintage style Green Vintage Cloth Covered Wire 25ft on a white background with premium cloth covered.
      A Premium, Green Vintage Cloth Covered Wire 25ft on a white background, by Moto Iron®.
      Moto Iron®
      Green Vintage Cloth Covered Wire 25ft
      $27.95
      1 review
      A Dynatek 2000-HDE PC-Programmable Digital Ignition Module with assorted wires and connectors on a white background.
      Dynatek
      2000-HDE PC-Programmable Digital Ignition Module - For '94-'97 XL '94-'99 Big Twin '96-'98 FXD
      $269.72
      A Wyatt Gatling Cloth Braded Spark Plug Wire Kit 7mm - Green w/Yellow Tracer featuring a chopper style design with braided cloth covering.
      A Wyatt Gatling Cloth Braded Spark Plug Wire Kit 7mm - Green w/Yellow Tracer featuring a chopper style design with braided cloth covering.
      Wyatt Gatling
      Cloth Braded Spark Plug Wire Kit 7mm - Green w/Yellow Tracer
      $21.95
      A black box with a handle on it, designed specifically for Harley-Davidson Dyna FXD/FXDWG models, featuring a Drag Specialties Black Battery Cover 99-05 Dyna FXD/FXDWG, 99-04 FXDX, 01-03 FXDXT OEM# 66375-97.
      Drag Specialties
      Black Battery Cover 99-05 Dyna FXD/FXDWG, 99-04 FXDX, 01-03 FXDXT OEM# 66375-97
      $36.95
      A black Drag Specialties Battery Cover 99-05 Dyna FXD/FXDWG, 97-03 Sportster OEM# 66718-01 (AGM Battery Only) with a lid on a white background, ideal for the Dyna FXD/FXDWG and Sportster models.
      Drag Specialties
      Black Battery Cover 99-05 Dyna FXD/FXDWG, 97-03 Sportster OEM# 66718-01 (AGM Battery Only)
      $36.95

      Ignition & Electrical Components for Harley Big Twin Motorcycles. The Big Twin Ignition & Electrical collection at TC Bros is built for riders who demand reliable performance and custom versatility for their Harley-Davidson Big Twin motorcycles. This category includes premium ignition switches, coils, wiring kits, and other electrical components designed to fit models like Softails, Dynas, and Touring bikes. Engineered for durability and ease of installation, these parts ensure your bike runs smoothly while adding a clean, custom look. With TC Bros’ trusted quality and attention to detail, you can upgrade or build your electrical system with confidence, knowing you have the best components in the industry.