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SPORTSTER

Front Forks / Front Ends / Fork Kits

Springer Front Ends can be found here.

Complete Front Fork Assemblies
for your American V-Twin Custom or Harley Davidson Motorcycle
 

41mm Complete Front Fork Kit for Big Twin.  Choice of Smooth or Ball Milled Legs.

Smooth Legs shown.

Smooth Legs

Lower Bearing Cup with built in fork stop.

Optional Fork Cup

CHROME PLATED 41MM COMPLETE FRONT FORK KITS FOR BIG TWIN - Hardbody

Lower legs are machined from billet aluminum and feature screw on dust covers, flush mount axle with hidden hardware and removable brake and fender mounts
The 41mm fork tubes measure 24 1/4" long, are hard chrome plated and are the stock length for the models listed
Front end measures 31" from the top stem bearing to the centerline of the axle
Custom axle spacers are required, use 57333 axle spacer that is 6" long and cut to length
The dual removable brake mounts are designed for 1984/1999 OE or similar brake calipers and 11 1/2" brake discs
See Front End Section for Deuce style fender mounts and 2000/Later style brake caliper mounts
Fork kits are shipped without fork oil. Add 11.2 ounces of fork oil per leg of the weight of your choice. (See our all-in-one oil here.)

Fits Big Twin 4 speed 1949/1986*, Softail 1984/1988*, FXDWG 1993/1999 and Custom applications.
* When used with our MU36671 lower fork bearing cup with built in fork stop (description below).

Smooth Leg Fork Kit - Part#: M39930 ... $827.44
Kit must be assembled by a qualified mechanic.

Optional fork cup: This fork cup has a built in fork stop that cleans up frame neck area for that sanitary custom look. To prevent the cup from twisting in the frame a 3/16" I.D. hole is provided in the fork cup so the frame neck can be drilled by the technician. A 3/16" O.D. staking pin is also included. This chrome plated steel cup is designed to be used with Big Twin frames with removable fork cups. Fits with OEM style FXR or Dyna style lower fork bracket. Also fits custom lower fork brackets with upright fork stop nubs. (Please note our $35 minimum purchase. Purchase with Front Fork, or take advantage of our Flat Rate Shipping for $12.95 per order and get everything you need now.)
#M36671 ... $21.75

Neck cup conversion kit for Sportster fits K modesl and XL 1952-1981.  Now early sportsters can cange front ends to springers and more!

Fits K Model & Sportster 1952/1981

NECK CUP CONVERSION KIT FOR SPORTSTER - OLD STF

Use this conversion kit when installing a Big Twin or late Sportster 1" neck fork assembly on your early Sportster.
Allows easy installation of our Hardbody® springers as well.
Simply remove your existing cups and install these steel cups into your frame neck and you are ready for Big Twin forks!
Includes Timken® bearings and races.

Part #: 36652 - Old-STF - Raw Steel Neck Cup Conversion Kit.
Fits K Model & Sportster 1952/1981 ... $122.85

FOR SPRINGER FRONT END ASSEMBLIES & ACCESSORIES CLICK HERE.

FOR FORK TUBES & SLIDERS, FORK LEGS, INTERNALS, CLICK HERE.

FOR FRONT FORK BRACKETS/TRIPLE TREES & WIDE GLIDE CONVERSION KITS CLICK HERE.

Fork oil - See our all-in-one oil here.

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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.

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Please note that all prices are subject to change.

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Steel Thunder Custom Cycles

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Columbia, NH 03576

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