THOR LAWSON'S
VINTAGE and EVOLUTION SUSPENSION PRODUCTS

FOX AIRSHOX PARTS
Single Air Valve Introduced in 1975, Dual Valve in 1976.

(see tool section for gauge, shaft holder, oil measuring cylinder)

ESP is an authorized vendor of Fox vintage decals that are no longer in production.  The Fox Head and Fox Tail are registered trade marks of Fox Head Inc and Fox Racing Inc.  Use, copy, sale, reproduction or publication in any form whether by decals, manuals, apparel or any other products without written permission of Fox Head Inc and Fox Racing Inc is forbidden by law and may lead to legal action.


 

Fox AirShox 14-3/4", rebuild included new seal kit, bladders, oil, stickers, owners manual, air valves, stainless steel mount inserts, reducer bushings machined to your bike, ball valves, piston rings, replated shafts.  Lower mounts and bronze bearings are good with minimal markings, top mount caps are near excellent.  Bodies have a few small nicks, no rubs.  Will be charged with Nitrogen to your specs and ready to bolt on.  Include in notes or email, your weight, bike year/model, type of riding and your level.  99-1111  $SOLD 12/23/14.


 

What's in the works?  Reproduction shafts?  Repair and hard chroming of old shafts available at $130 per shaft.

FREE
AirShox Documents, Charts, and On-Line PSI & SLR Tool.
(On-Line PSI Calculator) may require Microsoft Office, Works, or Excel.

(On-Line SLR Calculator) may require Microsoft Office, Works, or Excel.

(Revised PSI Chart, June 2006)

(PSI Chart for the original Single Valve/Single Chamber AirShoxs)

(Not sure which way the seal/wiper goes in?  Click here for JPG diagram)

(BASIC INSTALLATION GUIDE. Click Here for the downloadable PDF file.)

(Click here for the Pressure Setup Guide and Oil Quantity from the manual.)

 

When mounting AirShoxs to any bike, clearances must be considered due to the larger diameter of the shock. Positioning of air valves is critical to avoid damge. Click on the images to the left for recommendations to consider.  The pics are from a CR250R, but they apply to all bikes.


Fox AirShox Owners Manual copy with revised pressure chart.  New Charts for the heavier four strokes and those of us who have added a few pounds over the years.  Updated SLR and oil quantity chart.  Includes specs for early single valve model.  #99-0310$12.00 


Decal Set:
FOX AIRSHOX REBUILD PACKAGE- includes the new seal kit, decal set, and the updated manual at 50% off.  NOTE: If your Shoxs have negative springs, do not install the top out oring.  #909-111X$63.00

 

 

FOX AIRSHOX SEAL KIT with SQUARE EXTERNAL BUMPER RINGS - Complete set for a pair of shocks, includes 2 Seals, 2 Wipers, 2 Shaft Bearing O-rings, 2 End Cap O-rings, and 2 O-rings for internal shaft bumpers, 2 Square Rings for external bumpers.  NOTE: If your Shoxs have negative springs, do not install the top out oring.  #99-9000$41.00


 

FOX AIRSHOX SEALS and WIPERS ONLY - The orings are just pennies of the cost, but without the external square bumpers you can save $6.  Complete set for a pair of shocks, 2 Seals, 2 Wipers, and orings. If your shocks were rebuilt in the last few years and your external bumpers are in good condition.  NOTE: If your Shoxs have negative springs, do not install the top out oring.  #99-9000-SW$35.00


Fox AirShox Stickers, Early Style with Fox Head, used up to early 78 and for all short bodies like 13" and 13-1/2", Set of 4, (Fox #99-0060) #999-115 $16 set
 

Fox AirShox Stickers, Late Style with Fox Tail, used starting late 78, Set of 4, (Fox #99-0061) #999-114 $16 set
 

 

FOX AIRSHOX LOWER MOUNT to SHAFT O-RING, used in the early single valve version without bladders, not included in seal kits - or any AirShox application not using bladders.  #99-9001$2.75, Set of 2
 


 

FOX AIRSHOX SQUARE EXTERNAL BUMPER RINGS - give your restoration that original look with square external bumper rings.  They will stretch enough to slip over the lower mount so that replacing damaged bumpers can be done without disassembling shocks.  Tape or smooth off any sharp edges before installing.  #99-0140$6.50, Set of 2


Left-Short, Right-TallFox AirShox Tall Upper Mount (body cap).  Machined from 6061, includes new air valve and bushing.  #99-0092$125.00 each


Fox AirShox Lower Mount (shaft cap).  Machined from 6061, includes new air valve and bushing.  #99-0130$87.50 each
 


Fox AirShox 1/2" Extended Lower Mount (shaft cap).  1/2" longer for added clearance, created for a customer with a Suzuki PE, Machined from 6061, includes new air valve and bushing.  #99-0130-EXT$97.50 each
 


Fox AirShox Body for 16-3/4", 17", 17-1/2".  Machined from 7075, best used as a pair for a perfect match.  #99-0078$ 275 each Coming Soon!
 


Fox AirShox Short Top Cap.  Machined from 6061.  #99-0091$112.50 each


Fox AirShox Shaft Bearing.  Machined from 660 bearing bronze. #99-0040$170 each (Allow 7 days to ship)
 


Fox AirShox Shaft Lock Nut, all steel, cadmium plated, if you can seat yours by hand, it's time to replace it before an accident happens, when servicing your Shoxs, the bottom corners and edges need to be beveled or rounded off so they do not grab and rotate the spring plate when tightening, Fox did not do this until later in the production,  #99-0321 $10 each


Fox AirShox 1/8" (3.175mm) Internal Spacers, Nylon, for making small adjustments to overall length,  #909-135 $12 pair
 


Fox AirShox 1/4" (6.35mm) Internal Spacers, Nylon, for making small adjustments to overall length,  #909-136 $13 pair
 


Fox AirShox 3/8" (9.525mm) Internal Spacers, Nylon, for making small adjustments to overall length #909-137 $14 pair
 


Fox AirShox 1/2" (12.7mm) Internal Spacers, Nylon, for making small adjustments to overall length,  #909-138 $15 pair


Fox AirShox 1-1/4" OD Valve Shim Spacer, pre 6/78 AirShoxs only,  #99-0170 $10 each


Fox AirShox Large Valve,  #99-0180 $20 pair Out of Stock, On Order


Size:
Fox AirShox Jets,
Available in .106", .112", .116" , .120", .128", .136", .140", .144", .147", .152", .157", .162"  Select size in drop down menu.  Set of 2, (Fox #99-2###, #=size) #909-188 $15.00 pair
 


Fox AirShox Negative Spring,   2" free length, 5/8" compressed, used to reduce stationary length of Shox by 5/8", allows for a softer initial ride for heavier riders, goes on shaft in place of the top out bumper, Set of 2, #99-0270 $94.50
 


Spring Number
NEW Expanded Listing  Fox AirShox Rebound Spring Set, select desired spring number before adding to cart,  Set of 2, (Fox #99-25xx)  #909-140 $7 set(2), $9 set(2) for #3.1
(This selection was put to together by measuring springs from various lengths of Shoxs over the years since no NOS parts have surfaced.)


Fox AirShox Ball Valve Set,   Set of 2, #99-0260 $0.50 pair
 


Fox AirShox Piston Rings (Std. Width app. 1/4" (6.35mm) - replace your worn or broken ring before metal to metal contact and premature seal failure occurs, wear limit is 1.885".  Machined from wear resistant low friction Teflon PTFE.  Set of 2, #99-0190 $40.00 set


Fox AirShox Piston Rings (Ex-Wide Width app. 0.335" (8.5mm) (This version is rare, from what I can determine, they were used in sets provided to Support and Pro riders back in the day, this includes my set that I bought from a local Expert at the end of 1978) -- replace your worn or broken ring before metal to metal contact and premature seal failure occurs, wear limit is 1.885".  Machined from wear resistant low friction Teflon PTFE.  Set of 2, #909-181 $45.00 set


Due to how even just a tiny sliver of metal can puncture a bladder, Only bladders that I install are guaranteed.  Please see the photo of a rebuild I took apart, in my work, I always remove the air valves for cleaning and resealing.  Thoroughly clean shafts and lower cap, inspect for sharp edges and burrs, obstructions in shaft ports, lightly coat bladders with oil before installing.
 

Fox AirShox Short Bladders, for 15-1/2" (394mm) and less, measured fully extended, eye to eye center, Set of 2, #99-0160 $69 pair   (Note: New bladders are designed to fit a range of sizes, do not be alarmed when you find that your old ones are longer, the new bladders will stretch to fill the shaft cavity.)
 

Fox AirShox Long Bladders, for 15-3/4" (400mm) and up, measured fully extended, eye to eye center, Set of 2, #99-0163,  $69 pair  (Note: New bladders are designed to fit a range of sizes, do not be alarmed when you find that your old ones are longer, the new bladders will stretch to fill the shaft cavity.)
 

Mount Width:
Fox AirShox Split Reducer Bushings, 10mm ID, 4130 steel, Set of 8, #99-0112-S $42 set  (Honda CR's use 19mm, RM's may be 22 or 24mm, other brands vary and need to be measured)

Specify Mount or Outer Flange Width desired:
Individual Fox AirShox Split Reducer Bushing, 10mm ID, 4130 steel, #99-0112 $6.50 each   (min. width of flange is 1.25mm or 0.049")

Mount Width:
Fox AirShox Split Reducer Bushings, 8mm ID, 4130 steel, Set of 8, #99-0111-S $42 set  (Honda CR's are usually 19mm, RM's may be 22 or 24mm, other brands vary and need to be measured)

Specify Mount or Outer Flange Width desired:
Individual Fox AirShox Split Reducer Bushing, 8mm ID, 4130 steel, #99-0111 $6.50 each   (min. width of flange is 1.25mm or 0.049")

Fox AirShox Eyelet Bushing, Stainless Steel, Set of 4, #99-0100-S $32 set
 


Fox AirShox Eyelet Bushing, Stainless Steel, individual, #99-0100 $8.75 each
 


Air Valves for All Fox Shox's, with Standard Valve Core, Nickel-Plated, metal cap, always install with a fresh layer of plumbers tape which can be found in the Tool Section,  #99-0120,  $4.50 each
 

Air Valves for All Fox Shox's, with High Pressure valve core, Nickel-Plated, metal cap, always install with a fresh layer of plumbers tape which can be found in the Tool Section#909-061,  $5.80 each
 

Standard Air Valve Cores, 60 psi opening, 200 psi sustained, 300 psi peak,  #909-054-4 4 for $3.80

 


Hi-Pressure Air Valve Cores, aircraft grade, recommended for Factory Shoxs and AirShoxs set at  201 psi plus, 70 psi opening, 400 psi sustained, 500 psi peak,  #909-053-4 4 for $9.00
 

Original Style Nickel Plated Air Caps, long skirt for easy threading, o-ring seal, measures 0.513" long by 0.350" O.D.,  #909-056-4 4 for $2.80

Original and New Cap Compared Large Nickel Plated Air Caps, similar to original in appearance but wall is thicker, long skirt for easy threading, o-ring seal, measures 0.559" long by 0.423" O.D.,  #909-058-4 4 for $2.80

 Chrome Hex Air Caps, fiber ring seal,  #909-055-4 4 for $2
 


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