Steel Thunder Custom Cycles motorcycle parts


Shopping Pages:

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.

Other Pages:

Fun, Photos & Links Section:

Photos of our customer's motorcycles, including bike kit builds, trike build link, free biker ecards, jokes, banner links, text links, link to us, webmaster's awards.

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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Sitemap and Search Home Page Contact Us Sportster Section Catalogs

Steel Thunder Custom Cycles - Parts & Accessories for your Harley Davidson® or American custom motorcycles at below retail every day.



Axles & Swingarms to convert your Softail, Sportster or Touring motorcycle into a Trike the easy and inexpensive way.

Trike conversion kits for Harley-Davidson motorcycles. Sportsters, Softail and Touring trike swingarms and axle.

Mid-USA's Bobber Rolling Chassis kit with springer front end.
Bobber Springer Rolling Chassis Kit!
Now with MORE frame options, including 200 rear tire frames and NOW Sportster frames!



S&S Super E and Super G carburetors



Find the perfect gift for that special "Biker" or "Motorcycle Enthusiast". 

SOMEBODY you know has a Birthday or special day coming up, so click here now.

Thanks for visiting Steel Thunder Custom Cycles' web site. Our goal is to afford the working biker quality products at a fair price, every day. We believe that you deserve to get the best products below retail and still get individual attention and the help your may need to get parts that fit. You are one of us, the proud ,the free, the bugs-in-our-teeth biker, and we are here to serve your motorcycle needs. We carry the full line of Mid-USA motorcycle parts, Arlen Ness, V-Twin Cycle, Custom Chrome, Kustomwerks, S&S, Kraft Tech, Mustang & other brand name motorcycle parts and accessories.. everything you need to customize or repair your Harley, chopper, or American V-twin motorcycle.


Bucklehead!  World's Fastest Knife.



Use of the word Harley-Davidson®, various model names and designations, and OEM part numbers are provided solely for reference and application information and there is no affiliation between Harley Davidson®, Inc. and. Steel Thunder Custom Cycles© 


This page was last updated on 4/1/14




We have a section of pages just for Sportster Riders!
You can find items for Harley Davidson Sportsters in any of our catalogs and shopping pages, but we also have a section of stuff JUST FOR YOU XL-ers. You aren't the red-headed stepchild at STCC!   


Kick Start Conversion Kit for 91/03 Sportster!

Retain electric start!

Kick start conversion kit for Sportster
Kick starter conversion kit for 1991-2003 XL Sportster

Kick starter conversion kit includes chrome sprocket cover, transmission mainshaft, chrome kick starter arm, rubber pedal, kick shaft.
Requires the replacment of the transmission mainshaft which is included in the kit. Conversion kit works with stock or aftermarket exhaust systems. Requires transmission mainshaft to be changed, forward controls, and relocation of master cylinder. Will not work with stock mid controls.

  Click here for Sportster stuff.

Focus pages:

  BRASS motorcycle parts

& SKULL themed motorcycle parts.

Frequently Asked Questions

See CONTACT page for our shipping policy.


Harley-Davidson aftermarket and American custom motorcycle parts.STCC is an Authorized Dealer of Mid-USA, Drag Specialties,, Kustomwerks, V-Twin, Custom Chrome, RevTech, Kraft Tech, Mustang ... and more. We carry a lot more motorcycle parts than you will see on the web site, so check out our catalogs if you can't find what you want on these pages. Bookmark This Site!

Sorry, but we only carry parts for Harley-Davidson & American Custom Motorcycles. 



We've moved to New Hampshire!  Come visit our shop. You'll love the new place. 

Map & Info Here



With God all things are possible!

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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FLAT RATE SHIPPING APPLIES IN CONTINTENTAL 48 UNITED STATES ONLY. AK, HI and APO/FPO will have additional shipping fees. We ship within the U.S.A. and to APO/FPO (military addresses; weight and size restrictions apply.). We do not accept foreign credit cards. Please see our CONTACT page for more information.

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

531 Bungy Road

Columbia, NH 03576

Copyright 2002-2013 Steel Thunder Custom Cycles©


Thank you for shopping at Steel Thunder Custom Cycles online motorcycle parts store!




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