Harley 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
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DYNATEK Two-Stage Rev Limiter - M8 DRL-400-HD-M8
DYNATEK
$399.99Precision engine control separates competitive racing from the rest—and this dual-stage rev limiter delivers exactly that. Whether you're launching hard or protecting against over-rev at high RPM,...21010463- SKU:
- 21010463
- Availability:
- Ships Same Business Day
- Weight:
- 0.80 LBS
- COLOR/FINISH:
- BLACK
- FOR MAKE:
- HARLEY DAVIDSON
- TYPE:
- REV LIMITER
- PRODUCT NAME:
- IGNITION MODULE
- UNITS:
- EACH
- RIDING STYLE:
- STREET
$399.99 -
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...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
$65.95Qty in Cart: 0Quantity:Price:$65.95Subtotal: -
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...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
$65.95Qty in Cart: 0Quantity:Price:$65.95Subtotal: -
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...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
$65.95Qty in Cart: 0Quantity:Price:$65.95Subtotal: -
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...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
$565.95Qty in Cart: 0Quantity:Price:$565.95Subtotal: -
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...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...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...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...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...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 Programmable Digital Ignition Module - Harley Davidson TC88-2P
DYNATEK
$399.99If you're serious about extracting maximum performance from your TC88 Harley, ignition timing is where it happens. The DYNATEK TC88-2P gives you complete control over advance curves, rev limits, and...21010033- SKU:
- 21010033
- Availability:
- Ships Same Business Day
- Weight:
- 0.96 LBS
- RIDING STYLE:
- STREET
- MODEL:
- DYNA 2000 SERIES
- UNITS:
- EACH
- TYPE:
- IGNITION MODULE
- COLOR/FINISH:
- BLACK
- IGNITION FIRE METHOD:
- SINGLE
- PRODUCT NAME:
- IGNITION MODULE
$399.99 -
DAYTONA TWIN TEC LLC Plug-In Ignition Module - Harley Davidson 1009-EX
DAYTONA TWIN TEC LLC
$397.95If you're running a carbureted Harley-Davidson and want precise control over ignition timing across varying engine conditions, the DAYTONA TWIN TEC LLC Plug-In Ignition Module delivers adjustable...21010218- SKU:
- 21010218
- Availability:
- Ships Same Business Day
- Weight:
- 0.66 LBS
- COLOR/FINISH:
- BLACK
- PRODUCT NAME:
- IGNITION MODULE
- TYPE:
- IGNITION
- RIDING STYLE:
- STREET
- STYLE:
- CALIFORNIA/A.R.B.
- UNITS:
- EACH
$397.95 -
DAYTONA TWIN TEC LLC Internal Ignition Kit - Harley Davidson 3005
DAYTONA TWIN TEC LLC
$528.95Fine-tuning ignition timing is non-negotiable for maximizing horsepower and reliability across stock to heavily modified Harley engines. The DAYTONA TWIN TEC LLC Internal Ignition Kit delivers dual...21010242- SKU:
- 21010242
- Availability:
- Ships Same Business Day
- Weight:
- 3.54 LBS
- FEATURES:
- PROGRAMMABLE
- UNITS:
- EACH
- RIDING STYLE:
- STREET
- MODEL:
- STANDARD
- PRODUCT NAME:
- IGNITION KIT
- TYPE:
- IGNITION
- COLOR/FINISH:
- BLACK
$528.95 -
DAYTONA TWIN TEC LLC Standard Ignition Switch - Harley Davidson 3008
DAYTONA TWIN TEC LLC
$498.95If you're running a modified Harley or pushing your stock engine to its limits, engine timing is the difference between peak performance and costly detonation. The DAYTONA TWIN TEC LLC Standard...21010032- SKU:
- 21010032
- Availability:
- Ships Same Business Day
- Weight:
- 2.90 LBS
- PRODUCT NAME:
- IGNITION KIT
- UNITS:
- KIT
- RIDING STYLE:
- STREET
- COLOR/FINISH:
- BLACK
$498.95Qty in Cart: 0Quantity:Price:$498.95Subtotal: -
DAYTONA TWIN TEC LLC Plug-In Ignition Module - Harley Davidson 1009-IH
DAYTONA TWIN TEC LLC
$428.95If you're running a carbureted Harley-Davidson and want precision control over ignition timing without replacing your entire electrical system, the DAYTONA TWIN TEC LLC Plug-In Ignition Module...21010202- SKU:
- 21010202
- Availability:
- Ships Same Business Day
- Weight:
- 0.70 LBS
- COLOR/FINISH:
- BLACK
- PRODUCT NAME:
- IGNITION MODULE
- UNITS:
- EACH
- STYLE:
- STANDARD
- TYPE:
- IGNITION
- RIDING STYLE:
- STREET
$428.95 -
DAYTONA TWIN TEC LLC Standard Ignition Switch - Harley Davidson 3088
DAYTONA TWIN TEC LLC
$612.95If you're running a stock or modified Harley, dial-in precise ignition timing without guesswork. The DAYTONA TWIN TEC LLC ignition module gives you five independent rotary switches to tune advance...21020022- SKU:
- 21020022
- Availability:
- Ships Same Business Day
- Weight:
- 3.31 LBS
- UNITS:
- KIT
- COLOR/FINISH:
- BLACK
- PRODUCT NAME:
- IGNITION KIT
- RIDING STYLE:
- STREET
$612.95 -
DAYTONA TWIN TEC LLC V-Twin Electronic Ignition System - Harley Davidson 1010
DAYTONA TWIN TEC LLC
$269.95If you're running a carbureted big twin and need reliable spark timing across the entire RPM band, the DAYTONA TWIN TEC LLC V-Twin Electronic Ignition System eliminates the inconsistencies of...21010267- SKU:
- 21010267
- Availability:
- Ships Same Business Day
- Weight:
- 0.37 LBS
- TYPE:
- ELECTRONIC
- IGNITION TYPE:
- ELECTRONIC
- PRODUCT NAME:
- IGNITION
- UNITS:
- KIT
- COLOR/FINISH:
- CHROME
- RIDING STYLE:
- STREET
$269.95 -
DAYTONA TWIN TEC LLC Plug-In Ignition Module - Harley Davidson 1008
DAYTONA TWIN TEC LLC
$398.95If you're running a carbureted Harley-Davidson and want precise ignition timing control without replacing your entire electrical system, the DAYTONA TWIN TEC LLC Plug-In Ignition Module delivers...DS242377- SKU:
- DS242377
- Availability:
- Ships Same Business Day
- Weight:
- 0.60 LBS
- PRODUCT NAME:
- IGNITION MODULE
- TYPE:
- IGNITION
- COLOR/FINISH:
- BLACK
- RIDING STYLE:
- STREET
- STYLE:
- STANDARD
- UNITS:
- EACH
$398.95Qty in Cart: 0Quantity:Price:$398.95Subtotal: -
DAYTONA TWIN TEC LLC External Module Ignition Kit - Harley Davidson 3007-EX
DAYTONA TWIN TEC LLC
$476.95If you're running a carbureted Harley and want precise timing control that adapts to everything from stock engines to heavily modified powerplants, the DAYTONA TWIN TEC LLC External Module Ignition...21010214- SKU:
- 21010214
- Availability:
- Ships Same Business Day
- Weight:
- 3.46 LBS
- COLOR/FINISH:
- BLACK
- PRODUCT NAME:
- IGNITION KIT
- RIDING STYLE:
- STREET
- CONNECTION TYPE:
- 8 PIN
- UNITS:
- EACH
$476.95Qty in Cart: 0Quantity:Price:$476.95Subtotal: -
DYNATEK Single-Fire Ignition and Coil Kits - Harley Davidson SFK-1P
DYNATEK
$544.43If 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...21010047- SKU:
- 21010047
- Availability:
- Ships Same Business Day
- Weight:
- 2.56 LBS
- TYPE:
- IGNITION
- UNITS:
- KIT
- PRODUCT NAME:
- IGNITION KIT
- RIDING STYLE:
- STREET
$544.43Qty in Cart: 0Quantity:Price:$544.43Subtotal:
