Steel Thunder Custom Cycles motorcycle parts


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Control Section:

Brakes, discs, rotors, dashes & instrument panels, gauge brackets, footpegs, forward controls, grips, throttle control, handlebar controls, handlebars, levers, linkage, levers, mirrors, risers, shift & jockey control.

Drivetrain Section:

Belt drives, belt drive covers, clutch kits, chain drives, drivetrain packages, kick start transmission, offset sprockets, points, derby & ignition coves, primary belts, primary chains, primary covers, pulley & brake combo kit, rear drive belts, Sportster performance parts, six speed conversion, rear sprockets, rotors, transmissions & parts.

Electrical Section:

Battery related, battery tenders, charging systems,coils & mounts, dash/instrument panels, speedos, tachs, terminal kits, electronic ignitions, handlebar switches, headlights, horns, lighted license plate mounts, lighting, starter motors, taillights, turn signals, wiring harnesses.

Engine Section:

Motorcycle engine parts, drivetrain packages, cams & cam side parts, big bore kits, big bore piston kits, Sportster engine parts, motor mounts, drivetrain section, engine mounts.

Exhaust Section:

Exhaust pipes listed by model, exhaust accessories, insulating wrap, mufflers, extensions, high heat spray, heat shields, clamps and mounts.

Frame/Body Section:

Frames listed by style, engine mounts, fenders, struts, floorboards, foot rests, pegs, frame covers, hardtails, highway bars, kickstands, lowering kits, seats listed by model, shocks, sissy bars & pads, swingarms.. Also, Rolling Chassis Kits.

Front End Section:

Complete front fork assemblies, fairings & fairing accessories, fork brackets/triple trees, fork tubes, sliders, fork legs, boots, springer front ends & parts, wide glide kits.

Fuel Section (Gas, Oil, Air):

Air cleaners & covers, breathers, carburetors & rebuild kits, fuel injection control, gas tanks, gas caps, gas tank cleaner/prep systems, oil, oil coolers, oil line kits, oil pressure & tank gauges, oil pumps, oil tanks, , velocity stacks.

Saddlebag & Windshield Section:

Saddlebags listed by manufacturer, windshields

Wheel Section

Tires,  tire size chart, 40, 60 & 80 spoke wheels, solid wheels.

General Merchandise Section:

Catalogs, covers, gift certificates, gift suggestions, goggles & eyewear, hardware, luggage racks, motors, motorcycle covers, security, locks & alarms, tools, trailer accessories, ramps, wheel chocks, trailer hitches to put on motorcycle.

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Tech & Info Section

Tech tips, tire size chart, engine break-in, suspension & shocks info, rake and trail calculator, contact page, frequently asked questions (FAQ), our credentails, terms & conditions of sale, disclaimer, international shipping policy.

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 Electronic Ignitions

Electronic Advance Ignitions, Modules

Note: No returns on Electrical Parts

V Series Ignition with programmable rev-limiter.


Dual output single fire coil from MSD Ignition.  Made in America.



Select your own timing curve for a smoother idle and snappy throttle response.
Choose between single or dual fire modes and it gives you the choice of  kick or electric start.
Selectable VOES curves.
Programmable rev-limiter keeps things under control should you miss a shift or break a driveline.
Selectable RP rev-limiter.
Tach output and easier starting.
Use MSD coil M16081 (sold below). Made in the U.S.A.

Part #: M17501- MSD Ignition
Fits Big Twin 1970/1999 (except fuel injected models and Twin Cam) & Sportster 1971/2003 (except 1200 Sport) ... $274.33



The V-Series™ single fire coil is a great coil to use with our new V-Series™ nose cone ignition system and an ideal upgrade for your Twin-Cam engine. Made in the U.S.A.

Part #: M16081 -
.6 OHM Single Fire Coil ... $131.40

Daytona Twin Tec Ignition Kit for Big Twin and Sportster Harley-Davidson motorcycles. Made in the U.S.A.
IGNITION KIT - Daytona Twin Tec

Comes with 8.5mm plug wires, single fire coil and instructions.
Requires OEM timing rotor. Made in the U.S.A.

Part #M17627 - Daytona Twin Tec Single Fire Kit,
Fits Big Twin 1984/1999 & Sportster 1986/1997 ... $342.45

Dynatech electronic ignition module.

Ignition Module Only M17624

Dynateck electronic advance igniton system kit for single fire, single plug x 2


Dynateck electronic advance igniton system kit for signle fire, dual plug.


Dynateck electronic advance ignition sytstem kit for single fire, single plug.



The ignition module is a self contained electronic advance ignition that is microcomputer controlled, generating extremely accurate control over the entire ignition process without the need for the external ignition module.
The ignition module can be run in the single or dual fire mode and used with single or dual plug heads when used with the correct OHM coil or combination of coils. For street use 2.8 through 3.5 OHM coils
Four independent rev limiter choices from 6000 to 7500 RPM
Dramatic, user friendly improvement over the OE ignition
The Kits include ignition module and DYNATEK end mount style coils
The six individual switches allow you to tailor fit one of the eight different advance curves to produce a spark knock free ignition, whether you are running the stock displacement or a highly modified high compression Stroker.
A separate Tach output lead is included along with one LED indicator for static timing and one LED to assist in trouble shooting potential problems and the condition of VOES.
Custom coil mounts must be used on kits with end mount style coils.

Fits Big Twin 1970/1999 (except fuel injected models and Twin Cam 88) and Sportster 1971/2003 (except 1200 Sport). Made in U.S.A.

Description Part # Price Buy Now
Ignition Module Only M17624 $234.42
Kit includes 1 2000i Ignition Module, 2 single fire, single plug 3 OHM end mount coils M17625 $368.12
Kit includes 1 2000i Ignition Module, 2 single fire, dual plug 3 OHM end mount coils M17626 $368.12
Kit includes 1 2000i Ignition Module, 1 single fire, single plug 3 OHM OE style mount coil. M17503 $368.12

Electronic Advance Ignition modules, choose from original performance or high performance.








These Elite 1 ignition modules will give you the performance and flexibility for a wide range of applications. They offer a great advantage in tuneability and adjustability for stock performance, stock compression to high performance, high compression motors. It is as easy as 1 through 8 to dial in the correct advance curve and RPM limiter for just about any engine configuration up to 113ci. Just check out the features listed below and decide which one is best for your engine.. When using single fire type coils, you will need the use of a tachometer adapter for correct RPM readout.


Fits in nose cone, no black box
Single or dual fire
Single or dual plug
Eight selectable electronic advance curves
RPM limiter and VOES diagnostic light
RPM limiter 6000/unlimited in 250 increments
Selectable levels of VOES 50%, 100% or none
RFI immunity allows solid wire and nonresistor spark plug use
Accu-Ray TDC static timing light
Use 2 to 3 OHMs of primary resistance coil
Extended temperature and low voltage operation
Automatic shutdown if ignition is left on with motor not running
Includes instructions. Made in the U.S.A.

Part #: M17584 - OE performance, OE/mild compression, Fits Big Twin 1970/1999 (except Twin Cam) & Sportster 1971/2003 ... $244.79

Part #: M17585 - High performance up to 113ci, High compression up to 11:1, Kick or Electric start, Fits Big Twin 1970/1999 (except Twin Cam) & Sportster 1971/2003 ... $244.79

Fully adjustable Ignition Module from Power House Plus for Sportster and single cam Big Twin.

Ignition module complete kit for Sportster and Big Twin


Fully adjustable.
Use with kick or electric start.
Can be used as dual fire or single fire.
Your choice of single spark or multi-spark mode.
10 different advance curves. Made in the U.S.A.

Part #: M17579 - Ignition Module Only
Fits single cam Big Twin 1970/1999 (except EFI), Sportster 1971/2003 & 1200S 1996/2003 ... $214.97

Part #:M17580 - Complete Kit, fits single cam Big Twin 1970/1999 (except EFI), Sportster 1971/2003 & 1200S 1996/2003 ... $249.91


Provides a wide timing advance adjustment range for stock to highly modified engines.
Adjustable RPM limit in 100 RPM increments up to 9,900 RPM.
Built-in data logging stores the last 30 minutes of engine operation including RPM, vehicle speed, manifold pressure, ignition advance & battery voltage. This information is useful for tuning & diagnosing problems (requires optional PC link interface cable & software, see below).
The optional PC link interface cable & Windows compatible software allows for the use of a laptop PC to program a custom advance curve for precise dyno tuning & recalibrate the speedometer & odometer to accommodate non-stock tire sizes or gearing changes.
Visit for the latest free software updates, Frequently Asked Questions (FAQs) and product information.
This ignition module provides full support for the J1850 data bus used for communications with the instrument cluster and turn signal/security module. It is also compatible with the HD® scan tool to read sensor data & clear diagnostic codes.
Includes instructions.

Ignition Module.
Fits Twin Cam 2004/Later (Carbureted) & Sportster 2004/Later - Part#:M17500 ...$286.47

You will also need:

Part#:M82731 - PC Link Interface Cable & Software ... $385.73

Daytona Twin Tec's Tech Page
Spark plug wire set, universal, colors, Sumax.

Easier starting, more horsepower, more torque, more top end power and better gas mileage.
Custom fit sets for many applications.
Universal set come standard with 24" leads, coil boots and terminals.
Ignite unspent gases that foul your spark plugs.
Great results at an economical price.

24" (2) lengths with 90° plug boot & loose 180° coil boots & terminals. Universal fit. Made in the U.S.A. Choose color:

Part#: M18702  - Black Set ... $44.95

Part#: M18703 - Red Set ... $44.95

Part#: M18704 - Yellow Set ... $44.95

Part#: M18705 - Blue Set ... $44.95

Part#: M18706 - Orange Set ... $44.95

Don't see what you need?  Contact us.  Chances are we have it.  We have thousands of parts that are not shown online.

PLEASE NOTE: We Do NOT Backorder. If your item is not in stock, you will be notified and given a refund.

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Prefer to call in your order to Steel Thunder? Call 603-237-8200.


Please note that all prices are subject to change.


Steel Thunder Custom Cycles

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Columbia, NH 03576

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