Progressive 412 Series

Style A

Style B

Style C

Style D
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STEEL BODY SHOCK ABSORBER SETS FOR BIG TWIN & SPORTSTER - Progressive Suspension
412 Series.
Multistage velocity sensitive internal valving, double walled steel bodies and precision ground hardened steel shafts for fade free operation with a consistent ride over a variety of surfaces and extended seal life.
Spring pre-load is easily set with a cam type adjuster.
Shock length is measured from center of eye to center of eye (always verify existing shock length before ordering).
Includes a spring pre-load adjusting tool.
Instructions are included. Made in the U.S.A.
PRICES INCLUDE FREE SHIPPING*
Note: When using shocks shorter than OEM, check all related parts such as tire to fender clearance with shock fully compressed, headlight aim and Jiffy stand lean angle.
Model & Year |
Size & Style
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Part # |
Price |
Buy Now |
Big Twin 4 Speed 58/72 |
13.6"/A
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M29061 |
$323.06 |
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Big Twin 4 Speed 73/86 (except Softail) |
11"/A
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M29069 |
$323.06 |
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Absorbers-Big Twin 4 Speed 73/86 (except Softail) |
11"/B
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M29062 |
$269.96 |
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Absorbers-Big Twin 4 Speed 73/86 (except Softail) |
12"/A
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M29063 |
$323.06 |
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Absorbers-Big Twin 4 Speed 73/86 (except Softail) |
12"/B
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M29057 |
$269.96 |
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FXR 82/Later |
11"/C
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M29048 |
$269.96 |
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FXR 82/Later |
11.5"/D
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M29050 |
$269.96 |
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FXR 82/Later |
12.5"/D
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M29052 |
$269.96 |
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Dyna models 91/05(except FXDX & FXDXT) & FXDBI 06/L |
11"/B
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M29065 |
$269.96 |
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Sportster 79/03 |
11"/C
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M29048 |
$269.96 |
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Sportster 79/03 |
11.5"/D
|
M29050 |
$269.96 |
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Sportster 79/03 |
12.5"/D |
M29052 |
$269.96 |
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NEW!
Ultimate Adjustable Comfort

Progressive Suspension Airtail Rear Shocks for FLT

On-Board Compressor Kit
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AIRTAIL REAR SHOCK ABSORBERS FOR FLT - Progressive Suspension
State of the art integrated air and coil shock absorber utilizes a linear rate coil combination with dual chamber air shocks for a smooth ride and ultimate suspension control.
These chrome plated shocks ride like traditional high-end shocks while still allowing for extensive height and spring rate tuning.
Inertia Active System (I.A.S.) with inertia valve technology separates wheel movement from chassis movement.
High pressure gas charged for consistant damping performance.
Dual chambered technology offers one air chamber for bottoming control and adjusting suspension for the bike's load.
The second air chamber adjusts ride height.
13" eye to eye shock length.
Shocks use a manual fill system with an optional on-board compressor kit available.
The on-board compressor kit includes a chrome plated rocker box mounted bracket and cup that houses an air pressure gauge.
The rocker box bracket fits 1999/Later Twin Cams, so by relocating the air pressure gauge the air compressor will fit 1980/1998 models.
Includes instructions. Made in the U.S.A.
Part#: M29018 - Chrome Plated Shock Set - Fits FLT 1980/Later ...
$897.93 including free shipping*
Part#:M29251 - On-Board Compressor Kit - Fits FLT 1999/Later ... $659.83 including free shipping*
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Progressive Suspension


Progressive Suspension
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Airtail Rear Shocks for Softail 2000/L and 1989/1999 - Progressive Suspension
Air pressure controlled ride height (down to 2" lowered seat height) is easily adjusted on the fly by the optional on-board compressor kit. (See below.) The optional hand pump is an economical means of adding air pressure if the on-board compressor kit is not desired.
One shock of the chrome plated set is conventional and incorporates a coil spring and damper assembly. This shock basically supports the weight of the motorcycle and controls the compression/rebound dampening characteristics. The other shock features two separate air adjustable chambers. One chamber is used for the rider/passenger's weight and the other is used to control the ride height.
The advantage of the airtail system is that the air compresses at a progressive rate and easily solves the age old problem of bottoming out (even when running in the lowered state).
The on-board compressor kit includes a chrome plated coil cover that houses an air pressure gauge, rocker switch for adding air to each chamber and two push button air bleed valves. The air compressor itself mounts to the rear fork axis tube and no modification is required to your existing parts for installation. Instructions are included.
The hand pump is designed for people that won't be constantly changing the ride height. You can just set it and forget it and enjoy a better ride than was previously available from any other shocks available. Made in USA.
Shock sets. Part#:M29095 Fits Softail 2000/Later. ... Price $739.95 including free shipping*
Shock sets. Part# M29094 Fits Softail 1989/1999 ... Price $739.95 including free shipping*
Also purchase compressor below:
Optional On-Board Compressor Kit for Airtail Shocks
The advantage of the airtail system is that the air compresses at a progressive rate and easily solves the age old problem of bottoming out (even when running in the lowered state).
The on-board compressor kit includes a chrome plated coil cover that houses an air pressure gauge, rocker switch for adding air to each chamber and two push button air bleed valves. The air compressor itself mounts to the rear fork axis tube and no modification is required to your existing parts for installation. Instructions are included. Made in USA.
Part#:M29246 - On-Board compressor kit. Fits Softail 2000/Later. Price $673.83 including free shipping*
Part # M29245 - On-Board compressor kit. Fits Softail 1989/1999. Price $673.83 including free shipping*
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Lowers seat height as much as 2"

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ADJUSTABLE LENGTH SHOCK ABSORBER SETS FOR SOFTAIL - Progressive Suspension
Chrome Plated.
Lowers seat height as much as 2".
These 422 Series shocks are designed to provide the ultimate in ride quality.
Features Inertia Active System (I.A.S.) damping. This type of "state of the art" valving senses the difference between chasis movement and wheel movement. When the wheel encounters a pot hole or expansion joint the damping changes instantly from firm to soft allowing the wheel to move rather than having the jolt transmitted to the chassis and the rider.
Progressive wound springs further enhance the ride quality by increasing in tension relative to the amount of shock travel.
Nitrogen charged to help eliminate dampening fade unde extreme conditions and high heat.
Large windows in the shock covers provide a unique look while eliminating internal corrosion.
3/8" drive tool is included for spring tension and ride height adjustment.
Instructions and Tool are included.
Note: FLSTN models have a 1" lowered ride height from the factory so these shocks must be adjusted accordingly. When reducing ride height, always check headlight aim and correct lean angel on jiffy stand.
Part#: M29097 - Fits Softail 1989/1999 ... $556.16 including free shipping*
Part#:M29098 - Fits Softail 2000/Later ... $463.46 including free shipping*
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NEW!


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SHOCK ABSORBER PAIR FOR 2000/LATER SOFTAIL - V-Factor
High quality replacement shock absorber.
Non-adjustable.
Adjust able spring preload.
Includes preload adjusting tool.
Includes rubber bumpers and chrome plated cup washers.
Part#:M29010 - Chrome Plated Set, Fits Softail models 2000/Later (except FXST Rocker models) ... $147.81 including shipping*
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Optional Tool
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Adjustable Length Shock Absorbers for Softail - V-Factor
Adjustable on bike.
Shock length can be adjusted from minus 1/2" through plus 1 1/2".
Adjustable spring preload. Use Mid-USA tool part 29224.
Instructions included.
Sold in pairs.
Adjustable length shock absorbers. Fits Softail 1989/1999 & most custom Softail style frames. Chrome plated.
Part #M29096 - Price $148.89 including free shipping*
Optional with purchase: Shock Absorber Tool Part #M29224 ...$9.95 (ships free with shocks).
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NEW!

More Sportster Shock Items Here
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SLAMMER SUSPENSION DROP KITS FOR BIG TWIN TOURING, SOFTAIL, DYNA & SPORTSTER - Burly Brand
Go from stock to slammed in about an hour!
The Slammer is a complete lowering kit in one box.
No disassembly of forks required, they can stay on the bike while you work!
No special tools needed for installation.
The shocks included in the kit lower the rear up to 2 1/2" and the fork springs lower the front up to 2".
Kit includes two 10 1/2" shock absorbers, two Slammer fork springs, two helper springs, two spring spacers, one spanner wrench, one lube packet, and complete installation instructions.
Made in the U.S.A.
Part#:M36544 - Fits Touring models 1980/1999 ... $278.05 including free shipping*
Part#: M36545** - Fits Softail 1989/1999 ... $173.12 including free shipping*
Part#: M36546** - Fits Softail 2000/Later ...$173.12 including free shipping*
Part#: M36542 - Fits Dyna 1991/2005 (except FXDWG) ...$278.05 including free shipping*
Part#: M36543 - Fits Dyna 2006/Later ...$278.05 including free shipping*
Part#: M36540 - Fits Sportster 1988/2003 ...$278.05 including free shipping*
Part#: M36541 - Fits Sportster 2004/Later...$278.05 including free shipping*
**Includes rear lowering kit, NOT replacement shocks.
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M29226
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REAR LOWERING BLOCK KITS FOR BIG TWIN (lowering kits for Sportster on Sportster Shock page. ) - Burly Brand
- Reduces the rear ride height by repositioning the lower shock mount further back.
- More economical than buying shorter rear shocks.
- Easy to install.
- Includes installation instructions and all required hardware.
- Prices include shipping*. Burly Brand. Made in the U.S.A.
CHART BELOW:
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M29207
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M29249
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M29232
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M29241
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Model & Year |
Ride Height |
Special Notes |
Finish |
Part # |
Price |
Buy Now |
FLH & FLT 1985/1996 (air shock models) |
-1-1/2"
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Some models require modification to the saddlebag mount for sufficient clearance. |
Black |
M29226 |
$106.78 |
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FLH & FLT 1997/2001 |
- 1"
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Will not fit FLHRCI (Road King Classic with OEM hard leather saddlebags). |
Black |
M29243 |
$106.78 |
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FLH & FLT 2002/2003 |
-1"
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Some models require modification to the saddlebag mount for sufficient clearance. Do not use with lowered shocks. |
Black |
M29249 |
$106.78 |
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FLH & FLT 2004/Later |
-1"
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Will not fit classic models with OEM hard leather saddlebags. |
Black |
M29249 |
$106.78 |
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FXR 1987/1994 |
-2"
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Will not fit FXRT or FXRP with OEM saddlebags. |
Chrome |
M29232 |
$107.95 |
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Dyna (FXD) 2000/2001 |
-1"
|
Will not fit FXDS convertible with OEM saddlebags or FXDL. Use with 12-1/2" OEM shocks only. |
Polished |
M29241 |
$125.58 |
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For SPORTSTER Lowering Block Kits go to the Sportster Shock Page. |
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REAR FORK LOWERING KITS FOR SOFTAIL - Progressive Suspension
These kits are designed to be used with OEM rear shocks to lower a Softail model motorcycle as much at 2" depending on the kit used. Kits are chrome plated. After the shocks are removed from the bike, installing the kit can be done by using a shop press. Installation instructions are included.
Part#:M29238 - Chrome plated adjustable kit. OE height to 2" lower. Includes rubber bumpers and cup washers. Fits Softail 2000/Later. ... $127.83 including shipping*
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