Ignition
Harley Bike Ignition Systems at JJ Motorsports
Upgrade your Harley’s ignition with premium sensors, stand-alone systems, and plug-in modules from JJ Motorsports, delivering precise timing, hotter spark, and full tuning capability on Twin Cam, Evo, Sportster, and M8 models. These high-performance ignition solutions maximize power and reliability for street or race applications.
Shop Standard Motor Products, ThunderMax, and Daytona Twin Tec ignition systems for proven performance. Explore related categories such as Harley lights and electrical for coils and wires, or Harley for cams and exhaust to complete your ignition and tuning setup.
Top Harley Ignition Systems
- Standard Motor Products Ignition Sensor Assembly Harley-Davidson MC-SPA3 – OEM-style crank position sensor; reliable timing signal for Twin Cam and Evo engines.
- ThunderMax Stand-Alone Ignition System Twin Cam EA5012 – Fully programmable stand-alone ignition; adjustable timing curves for Twin Cam performance builds.
- Daytona Twin Tec LLC Plug-In Ignition Module Harley-Davidson 1009 – Plug-and-play ignition module; advanced timing control for carbureted and EFI Twin Cam.
Browse our in-stock inventory below with same-day shipping and expert support. Free shipping on orders over $99! Questions? Contact us for fitment advice!
- Product
- Qty in Cart
- Quantity
- Price
- Subtotal
-
S&S CYCLE Ignition Rotor - Harley Davidson 55-1247
S&S CYCLE
$19.95High-quality OEM replacement component, Comes with bolt and washer21010332- SKU:
- 21010332
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- COLOR/FINISH:
- TAN
- RIDING STYLE:
- STREET
- UNITS:
- EACH
- PRODUCT NAME:
- ROTOR
- TYPE:
- IGNITION
$19.95 -
DAYTONA TWIN TEC LLC Internal Ignition Kit - Harley Davidson 3005-EX
DAYTONA TWIN TEC LLC
$535.95Kit includes ignition system, 8.5mm spark plug wires, single-fire coil and instructions, Ignition system has two advance curve families with adjustable advance curves to accommodate stock to wild engine modifications, Four rotary switches for adjusting...21010212- SKU:
- 21010212
- Availability:
- Ships Same Business Day
- Weight:
- 3.57 LBS
- COLOR/FINISH:
- BLACK
- MODEL:
- CALIFORNIA A.R.B E.O. LISTED
- PRODUCT NAME:
- IGNITION KIT
- TYPE:
- IGNITION
- RIDING STYLE:
- STREET
- FEATURES:
- PROGRAMMABLE
- UNITS:
- EACH
$535.95 -
THUNDERMAX Stand-Alone Ignition System - Twin Cam EA5012
THUNDERMAX
$365.95Designed for use in custom applications where a Twin Cam motor and crank sensor are used, Complete ignition system includes module, coil, wires, Smart Link software, communication cable and instructions (no Harley factory harness required), Consolidates...21010070- SKU:
- 21010070
- Availability:
- Ships Same Business Day
- Weight:
- 3.15 LBS
- COLOR/FINISH:
- BLACK
- IGNITION FIRE METHOD:
- SINGLE
- PRODUCT NAME:
- IGNITION KIT
- UNITS:
- KIT
- COLOR/FINISH:
- GRAY
- MATERIAL:
- ALUMINUM
- RIDING STYLE:
- STREET
- FEATURES:
- PROGRAMMABLE
- TYPE:
- TWIN CAM
$365.95Qty in Cart: 0Quantity:Price:$365.95Subtotal: -
DAYTONA TWIN TEC LLC Plug-In Ignition Module - Harley Davidson 1008-T
DAYTONA TWIN TEC LLC
$464.95Feature two advance curve families that are adjustable to accommodate stock and modified engines, Selectable multi-spark mode for quick starting and smooth cruising, Five rotary switches for mode select, timing adjustments, advance slope and rpm limit...21010219- SKU:
- 21010219
- Availability:
- Ships Same Business Day
- Weight:
- 0.66 LBS
- COLOR/FINISH:
- BLACK
- STYLE:
- STANDARD
- RIDING STYLE:
- STREET
- PRODUCT NAME:
- IGNITION MODULE
- TYPE:
- IGNITION
- UNITS:
- EACH
$464.95 -
COMPU-FIRE Dual-Fire Ignition Module - '70-'99 Big Twin 20500
COMPU-FIRE
$283.58Uses advanced Hall-Cell triggering and surface mount technology, Convenient built-in Accu-Ray static timing LED, Uses extended temperature and low-voltage operation that increases performance and reliability, Soft-start circuitry allows easy starting...21010373- SKU:
- 21010373
- Availability:
- Ships Same Business Day
- Weight:
- 0.50 LBS
- RIDING STYLE:
- STREET
- IGNITION FIRE METHOD:
- DUAL
- MODEL:
- ELITE 1
- TYPE:
- IGNITION
- COLOR/FINISH:
- BLACK
- PRODUCT NAME:
- IGNITION MODULE
- UNITS:
- KIT
$283.58Qty in Cart: 0Quantity:Price:$283.58Subtotal: -
COMPU-FIRE Single-Fire Ignition System - Harley Davidson 22003
COMPU-FIRE
$552.59Easy way to convert stock ignition systems to single-fire system, Kits feature Compu-fire ignition module, high-output single-fire Fire coil which mounts in the stock location and under the stock coil cover, and a set of silicone-jacketed spiral-core...21010238- SKU:
- 21010238
- Availability:
- Ships Same Business Day
- Weight:
- 2.82 LBS
- RIDING STYLE:
- STREET
- TYPE:
- ELECTRONIC
- COLOR/FINISH:
- BLACK
- COLOR/FINISH:
- GRAY
- IGNITION FIRE METHOD:
- SINGLE
- PRODUCT NAME:
- IGNITION MODULE
- UNITS:
- KIT
$552.59Qty in Cart: 0Quantity:Price:$552.59Subtotal: -
COMPU-FIRE Single-Fire Ignition System - Harley Davidson 22001
COMPU-FIRE
$552.59Easy way to convert stock ignition systems to single-fire system, Kits feature Compu-fire ignition module, high-output single-fire Fire coil which mounts in the stock location and under the stock coil cover, and a set of silicone-jacketed spiral-core...21010239- SKU:
- 21010239
- Availability:
- Ships Same Business Day
- Weight:
- 3.30 LBS
- TYPE:
- KICKSTART
- COLOR/FINISH:
- GRAY
- RIDING STYLE:
- STREET
- IGNITION FIRE METHOD:
- SINGLE
- PRODUCT NAME:
- IGNITION MODULE
- UNITS:
- KIT
- COLOR/FINISH:
- BLACK
$552.59Qty in Cart: 0Quantity:Price:$552.59Subtotal: -
DAYTONA TWIN TEC LLC Internal Ignition System - Harley Davidson 1005-T
DAYTONA TWIN TEC LLC
$464.95Feature two advance curve families that are adjustable to accommodate stock and modified engines, Selectable multi-spark mode for quick starting and smooth cruising, Four rotary switches for timing adjustments, single/dual ignition mode and rpm limit...21010209- SKU:
- 21010209
- Availability:
- Ships Same Business Day
- Weight:
- 0.79 LBS
- FEATURES:
- PROGRAMMABLE
- UNITS:
- EACH
- COLOR/FINISH:
- GRAY
- RIDING STYLE:
- STREET
- ELECTRICAL RESISTANCE:
- 3.0 OHMS
- MODEL:
- STANDARD
- PRODUCT NAME:
- IGNITION MODULE
- TYPE:
- IGNITION
- TYPE:
- REV LIMITER
- COLOR/FINISH:
- BLACK
$464.95 -
COMPU-FIRE Elite 1 Ignition Module - Harley Davidson 20600
COMPU-FIRE
$430.05All electronics mounted in the nose cone (timing cover), Feature selectable advance curves (eight advance curves in either dual- or single-fire operation), Adjustable rpm limiter (eight rpm limits), Dual-range VOES operation, Accu-Ray light for easy...DS242319- SKU:
- DS242319
- Availability:
- Ships Same Business Day
- Weight:
- 0.45 LBS
- COLOR/FINISH:
- BLACK
- RIDING STYLE:
- STREET
- MODEL:
- ELITE 1
- UNITS:
- EACH
- PRODUCT NAME:
- IGNITION MODULE
- TYPE:
- IGNITION
$430.05Qty in Cart: 0Quantity:Price:$430.05Subtotal: -
COMPU-FIRE Dual-Fire Ignition Module - Harley Davidson 20100
COMPU-FIRE
$184.97Built-in Accu-Ray timing light, correct dwell times and no external ignition module because electronics mount entirely inside ignition housing, Rev limiter eliminated, Made in the U.S.A., Requires the use of a mechanical advance unit., Not for...DS242324- SKU:
- DS242324
- Availability:
- Ships Same Business Day
- Weight:
- 0.38 LBS
- PRODUCT NAME:
- IGNITION MODULE
- UNITS:
- KIT
- COLOR/FINISH:
- BLACK
- RIDING STYLE:
- STREET
- IGNITION FIRE METHOD:
- DUAL
- TYPE:
- IGNITION
$184.97Qty in Cart: 0Quantity:Price:$184.97Subtotal: -
COMPU-FIRE Single-Fire Ignition Module- Harley Davidson 20200
COMPU-FIRE
$221.71Built-in Accu-Ray timing light, correct dwell times and no external ignition module because electronics mount entirely inside ignition housing, Rev limiter eliminated, Made in the U.S.A., Requires the use of a mechanical advance unit., Not for...DS242325- SKU:
- DS242325
- Availability:
- Ships Same Business Day
- Weight:
- 0.40 LBS
- IGNITION FIRE METHOD:
- SINGLE
- PRODUCT NAME:
- IGNITION MODULE
- TYPE:
- IGNITION
- UNITS:
- KIT
- COLOR/FINISH:
- BLACK
- RIDING STYLE:
- STREET
$221.71Qty in Cart: 0Quantity:Price:$221.71Subtotal: -
COMPU-FIRE Elite 1 Ignition Module - Harley Davidson 21835
COMPU-FIRE
$430.05All electronics mounted in the nose cone (timing cover), Feature selectable advance curves (eight advance curves in either dual- or single-fire operation), Adjustable rpm limiter (eight rpm limits), Dual-range VOES operation, Accu-Ray light for easy...DS242333- SKU:
- DS242333
- Availability:
- Ships Same Business Day
- Weight:
- 0.50 LBS
- PRODUCT NAME:
- IGNITION MODULE
- TYPE:
- IGNITION
- COLOR/FINISH:
- BLACK
- MODEL:
- ELITE 1
- RIDING STYLE:
- STREET
- TYPE:
- HIGH COMPRESSION
- UNITS:
- EACH
$430.05Qty in Cart: 0Quantity:Price:$430.05Subtotal: -
COMPU-FIRE Elite 1 Ignition Module - Harley Davidson 21835-KS
COMPU-FIRE
$417.78All electronics mounted in the nose cone (timing cover), Feature selectable advance curves (eight advance curves in either dual- or single-fire operation), Adjustable rpm limiter (eight rpm limits), Dual-range VOES operation, Accu-Ray light for easy...DS242371- SKU:
- DS242371
- Availability:
- Ships Same Business Day
- Weight:
- 0.45 LBS
- PRODUCT NAME:
- IGNITION MODULE
- TYPE:
- IGNITION
- TYPE:
- KICKSTART
- COLOR/FINISH:
- BLACK
- MODEL:
- ELITE 1
- RIDING STYLE:
- STREET
- UNITS:
- EACH
$417.78Qty in Cart: 0Quantity:Price:$417.78Subtotal: -
DRAG SPECIALTIES Ignition Distributor - Harley Davidson 72053
DRAG SPECIALTIES
$314.03Feature points, condenser and mechanical advance assemblies pre-installed21300055- SKU:
- 21300055
- Availability:
- Ships Same Business Day
- Weight:
- 2.30 LBS
- PRODUCT NAME:
- DISTRIBUTOR
- RIDING STYLE:
- STREET
- COLOR/FINISH:
- CHROME
- IGNITION FIRE METHOD:
- SINGLE
- IGNITION TYPE:
- MECHANICAL (POINTS)
- UNITS:
- KIT
$314.03Qty in Cart: 0Quantity:Price:$314.03Subtotal: -
COMPU-FIRE Single-Fire Ignition Module - '70-'99 Big Twin 20550
COMPU-FIRE
$283.58Uses advanced Hall-Cell triggering and surface mount technology, Convenient built-in Accu-Ray static timing LED, Uses extended temperature and low-voltage operation that increases performance and reliability, Soft-start circuitry allows easy starting...21010374- SKU:
- 21010374
- Availability:
- Ships Same Business Day
- Weight:
- 0.40 LBS
- COLOR/FINISH:
- BLACK
- RIDING STYLE:
- STREET
- IGNITION FIRE METHOD:
- SINGLE
- PRODUCT NAME:
- IGNITION MODULE
- UNITS:
- KIT
- MODEL:
- ELITE 1
- TYPE:
- IGNITION
$283.58Qty in Cart: 0Quantity:Price:$283.58Subtotal: -
DRAG SPECIALTIES Ignition Module Cover - Harley Davidson - Chrome 13645
DRAG SPECIALTIES
$23.64Smooth stamped steel constructionDS373680- SKU:
- DS373680
- Availability:
- Ships Same Business Day
- Weight:
- 0.45 LBS
- COLOR/FINISH:
- CHROME
- RIDING STYLE:
- STREET
- MATERIAL:
- STEEL
- PRODUCT NAME:
- COVER
- TYPE:
- IGNITION MODULE
- UNITS:
- EACH
$23.64Qty in Cart: 0Quantity:Price:$23.64Subtotal:
