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
-
STANDARD MOTOR PRODUCTS Ignition Sensor Assembly - Harley Davidson MC-SPA2
STANDARD MOTOR PRODUCTS
$65.95A failing ignition sensor assembly compromises spark timing and engine reliability—exactly what you can't afford when you're counting on consistent performance. This Standard Motor Products assembly restores precise ignition triggering on your Harley...08070117- SKU:
- 08070117
- Availability:
- Ships Same Business Day
- Weight:
- 0.24 LBS
- RIDING STYLE:
- STREET
- COLOR/FINISH:
- BLACK
- COLOR/FINISH:
- GRAY
- PRODUCT NAME:
- SENSOR
- TYPE:
- IGNITION
- UNITS:
- EACH
$65.95 -
STANDARD MOTOR PRODUCTS Ignition Sensor Assembly - Harley Davidson MC-SPA3
STANDARD MOTOR PRODUCTS
$65.95A reliable ignition sensor is critical to your Harley's spark timing and overall engine performance—without it, you're looking at misfires, rough idle, and potential stalling. The Standard Motor Products MC-SPA3 is a complete OEM-quality assembly that...08070118- SKU:
- 08070118
- Availability:
- Ships Same Business Day
- Weight:
- 0.21 LBS
- COLOR/FINISH:
- GRAY
- PRODUCT NAME:
- SENSOR
- TYPE:
- IGNITION
- COLOR/FINISH:
- BLACK
- UNITS:
- EACH
- RIDING STYLE:
- STREET
$65.95 -
STANDARD MOTOR PRODUCTS Ignition Sensor Assembly - Harley Davidson MC-SPA1
STANDARD MOTOR PRODUCTS
$65.95A reliable ignition sensor assembly is critical to maintaining consistent spark timing and engine performance on your Harley Davidson. This OEM-spec pickup assembly ensures precise ignition signal detection, eliminating misfires and rough idle issues...08070116- SKU:
- 08070116
- Availability:
- Ships Same Business Day
- Weight:
- 0.20 LBS
- RIDING STYLE:
- STREET
- COLOR/FINISH:
- GRAY
- TYPE:
- IGNITION
- UNITS:
- EACH
- COLOR/FINISH:
- BLACK
- PRODUCT NAME:
- SENSOR
$65.95 -
DAYTONA TWIN TEC LLC External Ignition Kit - Harley Davidson 3020
DAYTONA TWIN TEC LLC
$565.95Heat-induced ignition failures are a common reliability issue on high-performance Harley builds, especially in forced-induction or heavily tuned applications where internal nose-cone ignitions struggle with sustained temperatures. The DAYTONA TWIN TEC...10202748- SKU:
- 10202748
- Availability:
- Ships Same Business Day
- Weight:
- 1.35 LBS
- COLOR/FINISH:
- BLACK
- STYLE:
- KIT ONLY
- FEATURES:
- PROGRAMMABLE
- TYPE:
- IGNITION
- UNITS:
- KIT
- PRODUCT NAME:
- IGNITION KIT
- RIDING STYLE:
- STREET
$565.95 -
DAYTONA TWIN TEC LLC External Ignition Kit - Harley Davidson 3021
DAYTONA TWIN TEC LLC
$664.95Heat-induced ignition failures are a common problem in high-performance Harley applications, especially during sustained throttle runs or competition use. The DAYTONA TWIN TEC LLC External Ignition Kit replaces unreliable internal nose-cone ignitions...10202749- SKU:
- 10202749
- Availability:
- Ships Same Business Day
- Weight:
- 2.95 LBS
- RIDING STYLE:
- STREET
- STYLE:
- INCLUDES COIL AND PLUG WIRES
- FEATURES:
- PROGRAMMABLE
- TYPE:
- IGNITION
- COLOR/FINISH:
- BLACK
- PRODUCT NAME:
- IGNITION KIT
- UNITS:
- KIT
$664.95 -
DAYTONA TWIN TEC LLC Internal Ignition Kit - Harley Davidson 3005S-EX
DAYTONA TWIN TEC LLC
$549.95Precision ignition timing is the foundation of reliable horsepower and consistent performance across varying engine configurations. The DAYTONA TWIN TEC LLC Internal Ignition Kit gives you granular control over advance curves and firing modes—essential...78061560- SKU:
- 78061560
- Availability:
- Ships Same Business Day
- Weight:
- 3.35 LBS
- TYPE:
- IGNITION
- COLOR/FINISH:
- BLACK
- RIDING STYLE:
- STREET
- UNITS:
- EACH
- FEATURES:
- PROGRAMMABLE
- MODEL:
- STANDARD
- PRODUCT NAME:
- IGNITION KIT
$549.95 -
DAYTONA TWIN TEC LLC Internal Ignition System - Harley Davidson 1005-EX
DAYTONA TWIN TEC LLC
$421.95Precise ignition timing is the foundation of reliable performance—whether you're running stock power or a heavily modified engine. The DAYTONA TWIN TEC LLC Internal Ignition System gives you four independent rotary switches to dial in your advance curve,...21010208- SKU:
- 21010208
- Availability:
- Ships Same Business Day
- Weight:
- 0.80 LBS
- COLOR/FINISH:
- UNFINISHED
- FEATURES:
- PROGRAMMABLE
- UNITS:
- EACH
- ELECTRICAL RESISTANCE:
- 3.0 OHMS
- PRODUCT NAME:
- IGNITION MODULE
- TYPE:
- IGNITION
- RIDING STYLE:
- STREET
- MODEL:
- CALIFORNIA A.R.B E.O. LISTED
$421.95Qty in Cart: 0Quantity:Price:$421.95Subtotal: -
Daytona Twin Tec External Plug-In Ignition Module for Harley-Davidson 1994-1998 1007-EX
DAYTONA TWIN TEC LLC
$365.95If you're running a 1994-1999 Evolution Big Twin, your ignition system is the foundation of reliable power delivery and engine efficiency. The Daytona Twin Tec 1007-EX gives you precise control over ignition timing with adjustable advance curves and...21010211- SKU:
- 21010211
- Availability:
- Ships Same Business Day
- Weight:
- 0.55 LBS
- PRODUCT NAME:
- IGNITION MODULE
- TYPE:
- IGNITION
- CONNECTION TYPE:
- 8 PIN
- RIDING STYLE:
- STREET
- COLOR/FINISH:
- BLACK
- UNITS:
- KIT
$365.95 -
DAYTONA TWIN TEC LLC CARB EO Ignition Kit - Harley Davidson 3008-EX
DAYTONA TWIN TEC LLC
$507.95Precise ignition timing is fundamental to extracting maximum performance from any Harley Davidson engine, whether you're running stock displacement or a heavily modified big-bore setup. The DAYTONA TWIN TEC LLC CARB EO Ignition Kit gives you real-time...21010215- SKU:
- 21010215
- Availability:
- Ships Same Business Day
- Weight:
- 2.40 LBS
- RIDING STYLE:
- STREET
- COLOR/FINISH:
- BLACK
- PRODUCT NAME:
- IGNITION MODULE
- UNITS:
- EACH
$507.95 -
DYNATEK Single-Fire Ignition and Coil Kits - Harley Davidson SFK-1P
DYNATEK
$524.43If you're running a carbureted Harley Davidson and want ignition timing that responds to your engine's demands—not the limitations of a mechanical advancer—the DYNATEK Single-Fire kit gives you precision control without the complexity. Programmable...21010047- SKU:
- 21010047
- Availability:
- Ships Same Business Day
- Weight:
- 2.56 LBS
- TYPE:
- IGNITION
- UNITS:
- KIT
- PRODUCT NAME:
- IGNITION KIT
- RIDING STYLE:
- STREET
$524.43 -
DYNATEK Single-Fire Ignition and Coil Kits - Harley Davidson SFK-3P
DYNATEK
$511.10Precise ignition timing is the foundation of engine performance, and the DYNATEK SFK-3P gives you total control over your Harley's spark curve. This programmable kit lets you optimize power delivery across the entire throttle range while protecting your...21010048- SKU:
- 21010048
- Availability:
- Ships Same Business Day
- Weight:
- 2.60 LBS
- RIDING STYLE:
- STREET
- PRODUCT NAME:
- IGNITION KIT
- TYPE:
- IGNITION
- UNITS:
- KIT
$511.10 -
DAYTONA TWIN TEC LLC Internal Ignition System - Harley Davidson 1005S-EX
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...DS242373- SKU:
- DS242373
- Availability:
- Ships Same Business Day
- Weight:
- 0.70 LBS
- COLOR/FINISH:
- GRAY
- ELECTRICAL RESISTANCE:
- 3.0 OHMS
- FEATURES:
- PROGRAMMABLE
- PRODUCT NAME:
- IGNITION MODULE
- TYPE:
- IGNITION
- UNITS:
- EACH
- COLOR/FINISH:
- BLACK
- RIDING STYLE:
- STREET
- MODEL:
- STANDARD
$464.95 -
DAYTONA TWIN TEC LLC Plug-In Ignition Module - Harley Davidson 1009
DAYTONA TWIN TEC LLC
$388.95Feature 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...21010034- SKU:
- 21010034
- Availability:
- Ships Same Business Day
- Weight:
- 0.78 LBS
- RIDING STYLE:
- STREET
- STYLE:
- STANDARD
- TYPE:
- IGNITION
- COLOR/FINISH:
- BLACK
- UNITS:
- EACH
- PRODUCT NAME:
- IGNITION MODULE
$388.95Qty in Cart: 0Quantity:Price:$388.95Subtotal: -
Daytona Twin Tec USB Interface for Engine Control Programming 18014
DAYTONA TWIN TEC LLC
$122.95The DAYTONA TWIN TEC LLC USB Interface 18014 is a comprehensive ignition system designed to enhance engine performance across a wide range of modifications. This kit includes an ignition module, single-fire coil, 8.5mm spark plug wires, and detailed...21010075- SKU:
- 21010075
- Availability:
- Ships Same Business Day
- Weight:
- 0.69 LBS
- RIDING STYLE:
- STREET
- PRODUCT NAME:
- PROGRAMMING KIT
- UNITS:
- EACH
$122.95 -
Daytona Twin Tec External Plug-In Ignition Module for Harley-Davidson 1990-1995 7-Pin Models 1006-EX
DAYTONA TWIN TEC LLC
$328.95Elevate your Harley Davidson's performance with the DAYTONA TWIN TEC LLC External Plug-In Ignition Module 1006-EX. Tailored for 1990-1994 Harley Davidson models featuring 1340cc Evolution Big-Twin engines and 1990-1993 XLH Sportster 883cc engines, this...21010210- SKU:
- 21010210
- Availability:
- Ships Same Business Day
- Weight:
- 0.75 LBS
- RIDING STYLE:
- STREET
- CONNECTION TYPE:
- 7 PIN
- TYPE:
- IGNITION
- COLOR/FINISH:
- BLACK
- PRODUCT NAME:
- IGNITION MODULE
- UNITS:
- KIT
$328.95 -
DAYTONA TWIN TEC LLC Plug-In Ignition Module - Harley Davidson 1008-EX
DAYTONA TWIN TEC LLC
$408.95Feature 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...21010217- SKU:
- 21010217
- Availability:
- Ships Same Business Day
- Weight:
- 0.50 LBS
- COLOR/FINISH:
- BLACK
- RIDING STYLE:
- STREET
- STYLE:
- CALIFORNIA/A.R.B.
- UNITS:
- EACH
- PRODUCT NAME:
- IGNITION MODULE
- TYPE:
- IGNITION
$408.95 -
DRAG SPECIALTIES Breaker Plate Assembly - Harley Davidson 172008-HC3
DRAG SPECIALTIES
$24.91A properly functioning breaker plate assembly is critical for consistent ignition timing and reliable engine performance on your Harley Davidson. This DRAG Specialties complete assembly eliminates the guesswork of sourcing individual components, giving...DS242301- SKU:
- DS242301
- Availability:
- Ships Same Business Day
- Weight:
- 0.31 LBS
- UNITS:
- EACH
- TYPE:
- BREAKER PLATE ASSEMBLY
- PRODUCT NAME:
- IGNITION KIT
- RIDING STYLE:
- STREET
$24.91Qty in Cart: 0Quantity:Price:$24.91Subtotal: -
DYNATEK Two-Stage Rev Limiter Harley Davidson DRL-400-HD-EFI
DYNATEK
$364.43Uncontrolled over-revving destroys expensive engine components and kills consistency at the starting line. The DYNATEK Two-Stage Rev Limiter gives you precise control over launch RPM and peak engine speed, letting you extract maximum performance from...21010299- SKU:
- 21010299
- Availability:
- Ships Same Business Day
- Weight:
- 0.80 LBS
- COLOR/FINISH:
- BLACK
- RIDING STYLE:
- STREET
- PRODUCT NAME:
- IGNITION MODULE
- TYPE:
- REV LIMITER
- UNITS:
- EACH
$364.43 -
DYNATEK 2000I PC Programmable Electronic Ignition Kit DIPK-1
DYNATEK
$177.77If you're running a carbureted high-performance or custom engine, precise ignition timing control directly impacts throttle response, fuel economy, and reliability across varying RPM ranges and load conditions. The DYNATEK 2000I PC Programmable...21010012- SKU:
- 21010012
- Availability:
- Ships Same Business Day
- Weight:
- 0.60 LBS
- RIDING STYLE:
- STREET
- PRODUCT NAME:
- PROGRAMMING KIT
- TYPE:
- IGNITION
- MODEL:
- DYNA 2000 SERIES
- UNITS:
- EACH
- IGNITION FIRE METHOD:
- -
$177.77 -
DYNATEK 2000-HDE PC-Programmable Digital Ignition Module DD2000-HD1EP
DYNATEK
$296.65If you're running a carbureted Harley with an electronic advance ignition, the DYNATEK 2000-HDE PC-Programmable Digital Ignition Module gives you precise control over ignition timing and rev limits—something the stock system simply doesn't offer. Rather...21010043- SKU:
- 21010043
- Availability:
- Ships Same Business Day
- Weight:
- 1.03 LBS
- COLOR/FINISH:
- BLACK
- CONNECTION TYPE:
- 7 PIN
- PRODUCT NAME:
- MODULE
- IGNITION FIRE METHOD:
- DUAL
- MODEL:
- DYNA 2000 SERIES
- RIDING STYLE:
- STREET
- IGNITION FIRE METHOD:
- SINGLE
- TYPE:
- IGNITION
- UNITS:
- EACH
$296.65
