Steel Thunder Custom Cycles - aftermarket motorcycle parts for Harley-Davidson and American custom bikes.
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Steel Thunder Custom Cycles

152 York Drive

Marshfield, MO 65706

417-468-2326

 

MORE GREAT CUSTOMIZING STUFF (including more Skulls!) & CUSTOMIZING KITS:

Grips, Levers & Footpegs

Mirrors

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Driveline Customizing - primary covers, points covers, inspections covers, and rocker box covers

Some great stuff to customize your motorcycle. Make it YOURS!

6 Speed Conversion Kit for Softail.

Click image to see larger.




6 Speed Conversion Kit

This is a complete kit to convert 1986-1999 5 speed Softail models to 6 speed. Transmission has black wrinkle finish with chrome top and side covers.
Kit includes chrome primary covers and 2.0 kw chrome starter. Transmission is preassembled and factory tested. (VT17-0778 shown)
Accepts electric speedometer sensor VT17-0561(sold separately below)


Part#: VT17-0776 - 6 Speed Conversion Kit ... $2351.43 including free shipping*

Special order. Cannot be shipped to alternate address. No returns except for manufacturer defect.


Part#: VT17-0561 - OE 96-99 FXST SPEEDO SENSOR
W/55"WIRE
... $94.31 including shipping if purchased with conversion kit.  Call to order alone, shipping will be added.


Custom Rocker Box kit for Twin Cam 99-07 from Drag Specialties.

Custom Rocker Box Kit - Drag Specialties

  • Die-cast aluminum rocker boxes fit all Twin Cam motors.
  • Chrome-plated with a smooth finish.
  • Rocker arm supports not included; reuse stock arm supports.
  • Gaskets and mounting hardware included.

Part #: 060940-0677 - fits Twin Cam 99/07 ... $399.66 including free shipping*

Please note: These are special order items. While most items ship the same or next business day, these items will take a few extra days to ship. No express delivery is available. No returns on Special Order items except for manufacturer defect.

NEW!

Roland Sands Design Glory Stomper Covers include inspection cover, points covers, derby covers, timing cover and rocker box covers.

 

 

The Glory Stomper was built by Roland Sands Designs and inspired these high performance covers.

The Glory Stomper

 


Please note:
These are special order items. While most items ship the same or next business day, these items will take a few extra days to ship. No express delivery is available. No returns on Special Order items except for manufacturer defect.

Vintage Style Covers from Roland Sands Design - as seen on the "Glory Stomper"

Inspection Cover - The first piece of the Glory Stomper-inspired family.  Machined from aluminum to exating standards, this inspection cover is brilliantly chromed.  Includes hardware.

Part # DS1107-0119 - For 70/06 FX, FL, FXST/FLST, FXWG, 93/05 FXWG models .... $109.95 including shipping*

Points Covers - Shining chrome and a grooved style reflect the speedy look of the original Glory Stomper onto your bike.  Quality machined aluminum and chrome-plated.  Includes hardware.  Sold each.

Part #DS0940-0608 - For 99/07 Twin Cam Models ... $144.96 including shipping*

Part #DS0940-0607 - For 70/99 Big Twin models (except Twin Cam) ... $144.96 including shipping*

Derby Covers - Don't your derby covers deserve a little Glory Stomper love?  Show-quality chrome plating over machined aluminum.  Includes hardware. Sold each. 

Part #DS1107-0118 - For 99/07 Twin Cam models ... $144.96 including shipping*

Part #DS1107-0117 - For 70/98 Big Twin Models ... $144.96 including shipping*

Timing Cover - A simple bolt-on way to add a little Glory Stomper style to your machine.  Quality machined from aluminum to exacting standards, then brilliantly chromed.  Includes all hardware.

Part # DS0940-0605 - For 01/07 Twin Cam models ... $301.96 including shipping*

Rocker Box Covers - Like the timing cover, the rocker box covers have been machined from aluminum to exacting standards, then brilliantly chromed.  Sold as a pair, the covers include all hardware.

Part #DS0904-0606 - For 99/07 Twin Cam models ... $459.96 including shipping*

Rocker box covers for Evolution , Big Twin or Sportster, choice of Chrome or Polished.

Choice of Chrome or Polished

Chrome Roker Arm Cover Assemblies for all Evo models, also comes in polished.

Improved cover stops oil leaks

ROCKER ARM COVER ASSEMBLIES FOR ALL EVOLUTION MODELS

These chrome plated Rocker Cover Assemblies were developed to provide a high tech look while reducing the high cost of a similar product machined from billet aluminum. They can be used on all years and models of the Evolution engine regardless of whether the engine vents through the crankcase or the cylinder heads. The one way breather valve has been upgraded from the OE umbrella type to a much more efficient flapper type, and is also located higher in the cover. Installation of covers on OE height and most comparably sized engines can be performed without removing the engine from the frame. Sold as an assembly for front and rear heads. Fits Big Twin Evolution 1984/1999 and Sportster Evolution 1986/Later.

Chrome. Part#:MU60611 ... $458.82 including free shipping*


Polished. Part#:MU60612 ... $379.71 including free shipping*

3D Flamed Belt Guard for Primo Brute IV and Brute V.

Flames Belt Guard

3D Flamed Guard for Primo 'Brute IV' and 'Brute V'

Primo's all new 3D Flamed belt guard keeps foreign objects out of the belt drive an away from the pulleys. The enhanced three dimensional characteristics of the guard allow you to customize it by applying paint or other effects to the recessed areas to match your existing custom paint job.

#MU77212 - For Brute IV ... $359.96 including free shipping*

#MU77213 - For Brute V ... $359.96 including free shipping*

See Outboard Bearing Support for Primo Brute IV and Brute V for looks and performance. Also see Primo Belt Drives on same page.

Pulley Covers for BDL electric start 3 inch open belt drives.  Baby moon style.

PULLEY COVERS FOR BDL ELECTRIC START 3" OPEN BELT DRIVES

Baby moon style.
Polished aluminum.
Offers better protection and reduces clutch noise.
Includes special tape for permanent installation and button head bolts if you choose to drill and tap hub for easy on and off access. Made in the U.S.A.

Polished aluminum pulley covers, includes double stick tape and screws for mounting. Fits 5 speed 3" open drives (Softail 1986/Later, FLT 1990/Later and FXR 1990/1994). Part#:MU77330 ... $64.65 including shipping*

Single hole belt guard for BDL 3 inch open drive.

 

Dual hole belt guard for BDL 3 inch open drive.

 

 


More Belt Guards can be found on the Driveline Customizing page.

GUARDS FOR BDL 3" OPEN BELT DRIVE.

Complement the looks of your Belt drives Limited 3" Open Primary Drive and improve the safety factor at the same time with one of these belt guards. Available in your choice of single or dual hole to provide a great visual effect when the primary drive is spinning. CNC machined from billet aluminum and polished to a mirror finish, these guards use your existing bolts and are simple to install. Fits Softail Late 1985/Later and Dyna 1990/Later with electric start style 3" open BDL belt drive. Made in the U.S.A.


Single Hole. - Part#:MU77341 ... $289.49 including free shipping*




Dual Hole. - Part#:MU77327 ... $289.49 including free shipping*



Belt Drive Cover for Top Fuel Street Drive.

Belt Drive Cover for Top Fuel Street Drive

Beautifully Chrome plated belt drive cover, will accommodate the oil filter in the center of the plate. Fits BDL top fuel street drive for Softail models 1991/Later.

#KW13170 - Knotched Style ... $599.75 including free shipping*

Pro-One™ Belt Drive Covers and Design Plates

  • 2-piece design so all mounting hardware is hidden for a super clean look.
  • Mix and match the chrome or black anodized base covers and inserts to create the look you want.
  • Covers and inserts are macnined from 6061-T6 billet aluminum.
  • Base covers and inserts are sold separately.
  • Made in the U.S.A.

Matching Tank Panels can be found here.

Prices include shipping*. Please refer to chart below:

Description
Price
Chrome Part #
Buy Now
Black Part #
Buy Now
BELT DRIVE COVERS:  Includes belt drive cover base and all necessary mounting hardware.
Pro-One, Roadmax & BDL Drives $439.96 TR61-0670
TR61-0671
Primo Brute V $439.96 TR61-0686
TR61-0687
BELT DRIVE COVER FACE PLATES:  Includes mounting hardware.
Smooth $155.96 TR61-0672
TR61-0673
Iron Cross $155.96
 ---
---
TR61-0679
Flame $155.96 TR61-0680
TR61-0681
Skull $155.96 TR61-0682
TR61-0683
XL Customizing kit, fits 2004  and Later Sportster.

2004-up Dress Kit for Sportster

Customizing kit includes all die cast replacement parts as pictured (cam cover, primary cover, inner and outer rocker box covers and transmission side cover). #VT42-0940 - Fits XL 2004/L ... $1,199.89 including free shipping.*

Customizing dress-up kit for 1992-2003 XL, chrome.

1994-2003 Chrome Engine Dress Up Kit for Sportster

Customizing kit includes cam cover, primary cover, inner and outer rocker box covers and transmission side cover. #VT42-0690 - Fits XL 1994-2003 ... $754.89 including shipping*

Primary Cover needle bearing puller for Big Twin and Sportster.

Tool shown in use, primary cover needle bearing puller.

PRIMARY COVER NEEDLE BEARING PULLER FOR BIG TWIN & SPORTSTER - Jims


What was once a difficult bearing to remove can now be done with the greatest of ease. Made with Aerospace steel. Includes Instructions. Fits Big Twin 1965/1988 and Sportster 1967/1980. Made in the U.S.A. by Jims.

Part#:MU70440 ... $131.59 including shipping*



Removes the following bearings:

  • HD bearing 9063 (our MU67504) found in the outer primary cover to support the starter shaft on Big Twin 1965/1988 and Sportster 1967/1980.
  • HD bearing 35961-52 (our MU72930) found in the 4 speed transmission countershaft gear on Big Twin Late 1967/Later, the clutch gear on Sportster 4 speed, all years, and the access door on Sportster 4 speed, all years.

This part can also be found on our TOOLS page.

*FREE SHIPPING APPLIES IN CONTINTENTAL 48 UNITED STATES ONLY. AK, HI and APO/FPO will have additional shipping fees. We ship only within the U.S.A. and to APO/FPO (military addresses; weight and size restrictions apply.). We do not accept foreign credit cards. We do not ship to Puerto Rico.

Prefer to call in your order to Steel Thunder? Call toll-free: 1-866-889-7828. 9-5 CST M-F.

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Please note that all prices are subject to change.