Steel Thunder Custom Cycles Motorcycle Parts store for Harley-Davidson and custom bikes.

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Steel Thunder Custom Cycles
3418 Teagues Road
Marshfield, MO 65706
417-468-2326

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Inner and Outer Primary Covers

for Harley-Davidson & American Custom Motorcycles

Bad Attitude slotted primary cover for BDL open primary drives.

Slotted primary cover shown on BDL open primary drive.

"Bad Attitude" Primary Cover from Crime Scene Choppers

This finned primary cover is designe to match the other Crime Scene Choppers products.  Made of aluminum with a fine satin finish, and engineered to fit 3" BDL open primary drives.  Made in the U.S.A.

Part #: CC632159 ... Bad Attitude Slotted Primary Cover ... $318.36 including shipping*

Outer Primary Cover fits FX 4 speed and Softail.

M78218

Outer Primary cover fits FLH 4 speed.

M78219

Outer Primary Cover fits Softail & Dyna.

M78299 & M78202

OUTER PRIMARY COVERS FOR BIG TWIN - V-Factor

  • Manufactured from die cast aluminum.
  • On late models, partially drilled 9th hole must be completely drilled prior to installation.
  • Chrome plated.

Part#: M78218 - Fits FX models 4 speed 1971/Later and Softail 1984/1988. 1985/Later may require modification of dowels or dowel holes. Includes installed starter needle bearing. ... $207.70 including shipping*

Part#: M78219 - Fits FLH 4 speed 1970/1984, includes built-in footboard mount. Includes installed starter needle bearing. ... $189.84 including shipping*

Part#: M78299 - Fits Softail models 1989/1993 and Dyna models 1991/1993. Inside of cover has been pre-clearanced for most aftermarket primary belt drive kits. Includes one drain screw. ... $203.65 including shipping*

Part#: M78202 - Fits Softail models 1994/1998 and Dyna models 1994/1998. Includes one drain screw. ... $207.24 including shipping*

Steel Outer Primary Cover from Paughco with diamond design .

STEEL OUTER PRIMARY COVERS FOR BIG TWIN - Paughco

Heavy gauge steel stamping featuring "Diamond" design and flawless chrome plating. For use on all Big Twin 1936/1964 with proper inner primary (see M78284 below if you have 70/L BT 4 spd tranny and 10 spring clutch)). Made in the U.S.A.

Part#:M78288 ... $145.45 including shipping*

Steel inner primary cover for Big Twin, chrome plated.

STEEL INNER PRIMARY COVER FOR BIG TWIN - Paughco

Allows use of earlier model steel primary cover MU78288 (above) on 1970/Later Big Twin 4 speed transmission and 10 spring clutch. Made in the U.S.A. Chrome Plated. For Kickstart use only.

Part#:M78284 ... $130.22 including shipping*

Paughco steel inner primary cover with chrome  plating for early Big Twin/

STEEL INNER PRIMARY COVERS FOR BIG TWIN - Paughco

Heavy gauge steel stamping featuring flawless chrome plating-buffed on the exposed edge. Made in the U.S.A.

Part#:M78281 - Big Twin 1936/1954. ... $112.81 including shipping*

Part#:M78282 - Big Twin 1955/1964. ... $112.81 including shipping*

1 inch offset for Wide Tires

Inner Primary Cover with 1 inch offset for wide tire softail.

INNER PRIMARY COVER FOR WIDE TIRE SOFTAIL - V-Factor

No more need for the 1" inner primary spacer for your custom wide tire bike. These die cast inner Primary Covers have a built-in offset of 1". They have two pre-installed alignment pins for outer primary cover alignment. Chain tensioner anchor plate & mounting hardware included.
Chrome plated.

Part#M78221 - Fits Wide Tire Softail 1990/1993. ... $246.81 including free shipping*

Part#:M78220 - Fits Wide tire Softail 1994/Later. ... $296.96 including free shipping*
Inner Primary Cover for Softail 90/L.

INNER PRIMARY COVER FOR SOFTAIL - V-Factor


These die cast inner primaries are reinforced in the critical areas that need it the most. Precision CNC machined for accuracy and polished to a high luster or Chrome Plated. Fits Softail Models 1990/Later as listed.
(90/93 repls. HD 60630-90)(94/L repls. HD 60630-94 or 60639-00)

Part#:M78200- Polished, Fits 1990/1993. ... $276.55 including shipping*

Part#:M78201 - Polished, Fits 1994/Later ... $227.73 including shipping*

Part#M78215 - Chrome, Fits 1990/1993 ... $342.81 including free shipping*

Part#M78216 - Chrome, Fits 1994/Later ... $342.81 including free shipping*

Cast Aluminum  Inner Primary Cover from Delkron.

CAST INNER PRIMARY COVER FOR SOFTAIL MODELS - Delkron

Strengthen your Softail's drive line with this Cast Aluminum Inner Primary Cover from Delkron. Precision machined in the USA from aircraft quality aluminum, this inner primary is thicker through the middle for added strength between the motor and transmission. An excellent choice when replacing a cracked inner primary cover and a must when stretching your softail into a stroker. Bearing, chain tensioner shoe anchor plate and seals are included and installed. Made in the U.S.A.

Part#:M78280 - 1994/Later (Rpls. HD 60630-94) ... $229.95 including shipping*

Sportster Primary Cover chrome

M78237

V-Factor XL Sportster Chrome Primary Cover.  Free shipping.

M78238

New Primary Covers for Sportster XL Harley-Davidson Motorcycle

M78239

Primary cover for 1991 thru 1993 Sportster XL Harley-Davidson motorcycle

M78240

Chrome Primary COvers for Sportster from V-Factor.

M78242

Primary Cover for late model sportsters.

M78243

V-FACTOR PRIMARY COVERS FOR SPORTSTER MODELS -
V-FACTOR


High quality replacement primary covers for Sportster models
Call in order for mounting hardware and gaskets.

Chrome Plated Cover, Fits Sportster, PRICES INCLUDE SHIPPING*:


Year Sportster Part # Price Buy Now
1971/1976 M78237 $147.76
1977/1984
M78238 $147.76
1986/1988 M78239 $147.76
1991/1993 M78240 $147.76
1994/2003 M78241 $147.76
2004/2006 M78242 $147.76
2007/2011 M78243 $156.06
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 ... $1231.56 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 ... $772.39 including FREE shipping*

For Derby, Points, and Inspection Covers, Rocker Box Covers and other Drive Line Customizing items, go here.

PRIMARY COVERS CAN BE FOUND ON THEIR OWN PAGE HERE.

*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. Sorry, 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.

***

Steel Thunder Custom Cycles

3418 Teagues Road

Marshfield, MO 65706

417-468-2326

We hope you'll come visit us ... we'd love to see your ride!

 

 

 

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