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Progressive Suspension

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A B C D E F G H I J K L M N O P R S T U V W Y Z

Progressive Suspension

Founded in 1982, the California based company Progressive Suspension today is the largest aftermarket motorcycle suspension manufacturer in the United States. Especially for the HD sector the selection is gapless and offers the right product for all sports and terrains. The Progressive Suspension R&D department is at home on small back roads as well as on race tracks which ensures that the product technology always represents the state-of-the-art.

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Products by Progressive Suspension in our web shop:

Progressive Suspension Fork Springs

These springs eliminate front end sag, reduce nose dive under braking, improve stability and increase ride comfort. Each kit contains a pair of springs and a pair of spacers which must be cut to length.

Progressive Suspension Professional Fork Lowering Kits

Fork lowering kits for the sporting rider which fit most late model Harleys. They allow to lower the front end by one or two inches. Each kit contains progressive wound springs, all necessary conversion parts and installation instructions. Spring rates are specifically engineered for each application.

Progressive Suspension Drop-In Fork Lowering Kits

The "Drop-In" lowering kits by Progressive Suspension make installation a 30 minute cake walk. Pull two inches out of the front end of your bike without the hassle of disassembling the forks or even changing out the oil and the whole process can be done with basic tools! You only have to lift the front end of the bike and - after removing the fork tube plugs - replace the stock fork springs with your new Progressive Suspension "Drop-In" springs. The longer stiffer one will control cushioning, the shorter softer one will lower the bike and control rebound simultaneously.

Progressive Suspension Fork Cartridge Kit

True high performance front suspension for Harleys. These kits replace the complete fork internals with a set of gas charged dampers and a set of custom tuned fork springs. They improve the resistance to front brake diving, bottoming control plus front end stability and cornering ability. Spring preload can be tuned by adding or removing spring seat spacers.

Progressive Suspension 412 Series Shock Absorbers

The stock-like appearance make these shocks an ideal replacement for the OEM equipment. They feature high technology with precision ground, hard-chromed steel shafts, double walled steel bodies to protect the inner cylinder and 5-position spring pre-load adjustment. Besides the "Regular" line a large part of the shock selection is also offered in a Heavy Duty version. These shocks are recommended for riders that are 250 lbs or more or riding two up more than 50% of the time.

Touring Link Stabilizer

An inexpensive and easy to install solution to the handling challenges faced by most Touring models. The Progressive Suspension Chassis Stabilizer keeps the motor/swingarm assembly aligned with the chassis without introducing unnecessary vibration to the rider. It does not hang below the frame or impede ground clearance. Features forged steel construction and precision rod end bearings.

Progressive Suspension Lowering Kits

These chromed adjustable mounting studs install on original and Progressive Suspension Softail shocks. They permit the bike to be lowered up to two full inches (50 mm) and improve the look by closing the gap between the tire and fender.

Progressive Suspension 413 Series Shock Absorbers

These shocks are developed for the 883 Sportster racing lineup. They of course promise distinctive handling improvements when installed on a street bike. The shocks are longer than stock for increased travel and ground clearance. Freon cell gas system is utilized for fade resistance and superior damping characteristics.

Replacement Bushings for Progressive Suspension Shocks

Progressive Suspension 422 Series

Stock replacements for Softail models. Feature improved springs and halocarbon-pressure-filled internal cells for fade free operation. Softail shocks by Progressive Suspension are available in several versions and are chrome-plated. These adjustable versions allow every position from standard rides to 2” lowered rear ends. All shocks are pre-load adjustable.

PS Replacement Parts for Safety WireTool

PS Fork Oil Level Adjuster

Allows you to make accurate fluid level adjustments to your fork oil. It is easy to operate and makes this job a snap.

PS Shock Spring Tool

Ingenious shop tool to change shock springs on all standard Harley shock absorbers (except Softail models). No more dangerous attempts with a press or other unsuitable devices. Complete with handle.

PS Shock Tool for Softail

Allows safe assembly and disassembly of original and Progressive Suspension Pre-M8 Softail shocks.

PS On-Board Air Pumps

Handy high pressure air pumps for your tool box. Perfect for adjusting pressure in your air forks and OEM or Progressive Suspension air shocks. Very compact design but still powerful enough for pressures up to 300 psi (≈ 21 bar). Comes with flexible hose and gauge.

PS Safety Wiring Set

A perfect little tool that's just as handy in the saddlebag as it is in the shop. Most commonly used to lockwire the nuts on the inner primary cover, but can come in dozens of uses on the road in emergency situations. Kit with tool, washers and 7,5 m stainless steel wire.

Shock absorbers »Regular Full Cover« by Progressive Suspension; fits FL 1958-1972; steel / spring steel, chrome-plated; length: 343 mm; shock eyelet: 15.9 mm; spring rate: 245/340 lbs/inch; with spring adjustment wrench; replaces OEM HD 54500-58C; with parts certificate; gross weight: 6.94 kg

Shock absorbers »Regular« by Progressive Suspension; fits FL/FX 1973-1985; steel / spring steel, chrome-plated; length: 280 mm; shock eyelet: 12.9 mm; spring rate: 300/350 lbs/inch; with spring adjustment wrench; with parts certificate; gross weight: 4.76 kg

Shock absorbers »Regular« by Progressive Suspension; fits FL/FX 1973-1985; steel / spring steel, chrome-plated; length: 305 mm; shock eyelet: 12.9 mm; spring rate: 300/350 lbs/inch; with spring adjustment wrench; replaces OEM HD 54500-81; with parts certificate; gross weight: 4.8 kg

Shock absorbers »Regular Full Cover« by Progressive Suspension; fits FL/FX 1973-1985; steel / spring steel, chrome-plated; length: 280 mm; shock eyelet: 12.9 mm; spring rate: 300/350 lbs/inch; with spring adjustment wrench; with parts certificate; gross weight: 5.6 kg

Shock absorbers »Regular Full Cover« by Progressive Suspension; fits FL/FX 1973-1985; steel / spring steel, chrome-plated; length: 305 mm; shock eyelet: 12.9 mm; spring rate: 300/350 lbs/inch; with spring adjustment wrench; with parts certificate; gross weight: 5.94 kg

Shock absorbers »412 Series Regular« by Progressive Suspension; fits Sportster 1952-1978; steel / spring steel, chrome-plated; length: 343 mm; shock eyelet: 15.9 mm; spring rate: 100/200 lbs/inch; with spring adjustment wrench; replaces OEM HD 54504-73; with parts certificate; gross weight: 5.1 kg

Shock absorbers »412 Series Regular« by Progressive Suspension; fits Sportster 1952-1978; steel / spring steel, chrome-plated; length: 362 mm; shock eyelet: 15.9 mm; spring rate: 160/190 lbs/inch; with spring adjustment wrench; replaces OEM HD 54501-67; with parts certificate; gross weight: 5.57 kg

Shock absorbers »412 Series Regular« by Progressive Suspension; fits Sportster 1979-2003, FXR →1994; steel / spring steel, chrome-plated; length: 280 mm; shock eyelet: 15.9 mm; spring rate: 90/130 lbs/inch; with spring adjustment wrench; with parts certificate; gross weight: 4.31 kg

Shock absorbers »412 Series Regular« by Progressive Suspension; fits Sportster 1979-2003, FXR →1994; steel / spring steel, black, powder-coated; length: 280 mm; shock eyelet: 15.9 mm; spring rate: 90/130 lbs/inch; with spring adjustment wrench; with parts certificate; gross weight: 3.8 kg

Shock absorbers »412 Series Regular« by Progressive Suspension; fits Sportster 1979-2003, FXR →1994; also homologated for Touring 1979-2005; steel / spring steel, black, powder-coated; length: 292 mm; shock eyelet: 15.9 mm; spring rate: 90/130 lbs/inch; with spring adjustment wrench; with parts certificate; gross weight: 4.17 kg

Shock absorbers »412 Series Regular« by Progressive Suspension; fits Sportster 1979-2003, FXR →1994; steel / spring steel, chrome-plated; length: 318 mm; shock eyelet: 15.9 mm; spring rate: 75/120 lbs/inch; with spring adjustment wrench; replaces OEM HD 54568-82; with parts certificate; gross weight: 4.68 kg

Shock absorbers »412 Series Regular« by Progressive Suspension; fits Sportster 1979-2003, FXR →1994; steel / spring steel, black, powder-coated; length: 318 mm; shock eyelet: 15.9 mm; spring rate: 75/120 lbs/inch; with spring adjustment wrench; replaces OEM HD 54568-82; with parts certificate; gross weight: 4.51 kg

Shock absorbers »412 Series Regular« by Progressive Suspension; fits Sportster 1979-2003, FXR →1994; steel / spring steel, chrome-plated; length: 330 mm; shock eyelet: 15.9 mm; spring rate: 75/120 lbs/inch; with spring adjustment wrench; replaces OEM HD 54502-87; with parts certificate; gross weight: 4.7 kg

Shock absorbers »412 Series Regular« by Progressive Suspension; fits Sportster 1979-2003, FXR →1994; steel / spring steel, black, powder-coated; length: 330 mm; shock eyelet: 15.9 mm; spring rate: 75/120 lbs/inch; with spring adjustment wrench; replaces OEM HD 54502-87; with parts certificate; gross weight: 4.54 kg

Shock absorbers »412 Series Heavy Duty« by Progressive Suspension; fits Sportster 1979-2003, FXR →1994; steel / spring steel, chrome-plated; length: 280 mm; shock eyelet: 15.9 mm; spring rate: 115/155 lbs/inch; with spring adjustment wrench; with parts certificate; gross weight: 4.13 kg

Shock absorbers »412 Series Heavy Duty« by Progressive Suspension; fits Sportster 1979-2003, FXR →1994; steel / spring steel, black, powder-coated; length: 280 mm; shock eyelet: 15.9 mm; spring rate: 115/155 lbs/inch; with spring adjustment wrench; with parts certificate; gross weight: 3.9 kg

Shock absorbers »412 Series Regular« by Progressive Suspension; fits Sportster 2004-2020; steel / spring steel, chrome-plated; length: 280 mm; shock eyelet: 15.9 mm; spring rate: 90/130 lbs/inch; with spring adjustment wrench; with parts certificate; gross weight: 4.26 kg

Shock absorbers »412 Series Regular« by Progressive Suspension; fits Sportster 2004-2020; steel / spring steel, black, powder-coated; length: 280 mm; shock eyelet: 15.9 mm; spring rate: 90/130 lbs/inch; with spring adjustment wrench; with parts certificate; gross weight: 4 kg

Shock absorbers »412 Series Regular« by Progressive Suspension; fits Sportster 2004-2020; steel / spring steel, chrome-plated; length: 292 mm; shock eyelet: 15.9 mm; spring rate: 90/130 lbs/inch; with spring adjustment wrench; replaces OEM HD 54566-04; with parts certificate; gross weight: 4.37 kg

Shock absorbers »412 Series Regular« by Progressive Suspension; fits Sportster 2004-2020; steel / spring steel, black, powder-coated; length: 292 mm; shock eyelet: 15.9 mm; spring rate: 90/130 lbs/inch; with spring adjustment wrench; replaces OEM HD 54566-04; with parts certificate; gross weight: 4.2 kg

Shock absorbers »412 Series Regular« by Progressive Suspension; fits Sportster 2004-2020; steel / spring steel, chrome-plated; length: 305 mm; shock eyelet: 15.9 mm; spring rate: 90/130 lbs/inch; with spring adjustment wrench; with parts certificate; gross weight: 4.23 kg

Shock absorbers »412 Series Regular« by Progressive Suspension; fits Sportster 2004-2020; steel / spring steel, black, powder-coated; length: 305 mm; shock eyelet: 15.9 mm; spring rate: 90/130 lbs/inch; with spring adjustment wrench; with parts certificate; gross weight: 4.1 kg

Shock absorbers »412 Series Regular« by Progressive Suspension; fits Sportster 2004-2020; steel / spring steel, chrome-plated; length: 318 mm; shock eyelet: 15.9 mm; spring rate: 75/120 lbs/inch; with spring adjustment wrench; with parts certificate; gross weight: 4.5 kg

Shock absorbers »412 Series Regular« by Progressive Suspension; fits Sportster 2004-2020; steel / spring steel, black, powder-coated; length: 330 mm; shock eyelet: 15.9 mm; spring rate: 75/120 lbs/inch; with spring adjustment wrench; replaces OEM HD 54568-04; with parts certificate; gross weight: 4.3 kg

Shock absorbers »412 Series Regular« by Progressive Suspension; fits Sportster 2004-2020; steel / spring steel, chrome-plated; length: 330 mm; shock eyelet: 15.9 mm; spring rate: 75/120 lbs/inch; with spring adjustment wrench; replaces OEM HD 54568-04; with parts certificate; gross weight: 4.45 kg

Shock absorbers »412 Series Heavy Duty« by Progressive Suspension; fits Sportster 2004-2020; steel / spring steel, chrome-plated; length: 280 mm; shock eyelet: 15.9 mm; spring rate: 115/150 lbs/inch; with spring adjustment wrench; with parts certificate; gross weight: 4.17 kg

Shock absorbers »412 Series Heavy Duty« by Progressive Suspension; fits Sportster 2004-2020; steel / spring steel, black, powder-coated; length: 280 mm; shock eyelet: 15.9 mm; spring rate: 115/150 lbs/inch; with spring adjustment wrench; with parts certificate; gross weight: 3.9 kg

Shock absorbers »412 Series Heavy Duty« by Progressive Suspension; fits Sportster 2004-2020; steel / spring steel, chrome-plated; length: 292 mm; shock eyelet: 15.9 mm; spring rate: 115/150 lbs/inch; with spring adjustment wrench; replaces OEM HD 54566-04; with parts certificate; gross weight: 4.7 kg

Shock absorbers »412 Series Heavy Duty« by Progressive Suspension; fits Sportster 2004-2020; steel / spring steel, black, powder-coated; length: 292 mm; shock eyelet: 15.9 mm; spring rate: 115/150 lbs/inch; with spring adjustment wrench; replaces OEM HD 54566-04; with parts certificate; gross weight: 4.47 kg

Shock absorbers »412 Series Heavy Duty« by Progressive Suspension; fits Sportster 2004-2020; steel / spring steel, chrome-plated; length: 305 mm; shock eyelet: 15.9 mm; spring rate: 115/150 lbs/inch; with spring adjustment wrench; with parts certificate; gross weight: 4.5 kg

Shock absorbers »412 Series Heavy Duty« by Progressive Suspension; fits Sportster 2004-2020; steel / spring steel, black, powder-coated; length: 305 mm; shock eyelet: 15.9 mm; spring rate: 115/150 lbs/inch; with spring adjustment wrench; with parts certificate; gross weight: 4.3 kg

Shock absorbers »412 Series Heavy Duty« by Progressive Suspension; fits Sportster 2004-2020; steel / spring steel, chrome-plated; length: 330 mm; shock eyelet: 15.9 mm; spring rate: 90/130 lbs/inch; with spring adjustment wrench; replaces OEM HD 54568-04; with parts certificate; gross weight: 4.6 kg

Shock absorbers »412 Series Heavy Duty« by Progressive Suspension; fits Sportster 2004-2020; steel / spring steel, black, powder-coated; length: 330 mm; shock eyelet: 15.9 mm; spring rate: 90/130 lbs/inch; with spring adjustment wrench; replaces OEM HD 54568-04; with parts certificate; gross weight: 4.4 kg

Shock absorbers »412 Series Regular« by Progressive Suspension; fits Dyna 1991→; steel / spring steel, chrome-plated; length: 280 mm; shock eyelet: 12.9 mm; spring rate: 230/275 lbs/inch; with spring adjustment wrench; with parts certificate; gross weight: 4.4 kg

Shock absorbers »412 Series Regular« by Progressive Suspension; fits Dyna 1991→; steel / spring steel, chrome-plated; length: 305 mm; shock eyelet: 12.9 mm; spring rate: 210/250 lbs/inch; with spring adjustment wrench; replaces OEM HD 54512-90A; with parts certificate; gross weight: 4.58 kg

Shock absorbers »412 Series Regular« by Progressive Suspension; fits Dyna 1991→; steel / spring steel, black, powder-coated; length: 305 mm; shock eyelet: 12.9 mm; spring rate: 210/250 lbs/inch; with spring adjustment wrench; replaces OEM HD 54512-90A; with parts certificate; gross weight: 4.58 kg

Shock absorbers »412 Series Regular Full Cover« by Progressive Suspension; fits Dyna 1991→; steel / spring steel, chrome-plated; length: 305 mm; shock eyelet: 12.9 mm; spring rate: 210/250 lbs/inch; with spring adjustment wrench; with parts certificate; gross weight: 5.6 kg

Shock absorbers »412 Series Regular« by Progressive Suspension; fits Dyna 1991→; steel / spring steel, chrome-plated; length: 318 mm; shock eyelet: 12.9 mm; spring rate: 210/250 lbs/inch; with spring adjustment wrench; replaces OEM HD 54577-94; with parts certificate; gross weight: 4.63 kg

Shock absorbers »412 Series Regular« by Progressive Suspension; fits Dyna 1991→; steel / spring steel, black, powder-coated; length: 318 mm; shock eyelet: 12.9 mm; spring rate: 210/250 lbs/inch; with spring adjustment wrench; replaces OEM HD 54577-94; with parts certificate; gross weight: 4.6 kg

Shock absorbers »412 Series Heavy Duty« by Progressive Suspension; fits Dyna 1991→; steel / spring steel, chrome-plated; length: 280 mm; shock eyelet: 12.9 mm; spring rate: 300/350 lbs/inch; with spring adjustment wrench; with parts certificate; gross weight: 4.8 kg

Shock absorbers »412 Series Heavy Duty« by Progressive Suspension; fits Dyna 1991→; steel / spring steel, black, powder-coated; length: 280 mm; shock eyelet: 12.9 mm; spring rate: 300/350 lbs/inch; with spring adjustment wrench; with parts certificate; gross weight: 4.7 kg

Shock absorbers »412 Series Heavy Duty« by Progressive Suspension; fits Dyna 1991→; steel / spring steel, chrome-plated; length: 305 mm; shock eyelet: 12.9 mm; spring rate: 300/350 lbs/inch; with spring adjustment wrench; replaces OEM HD 54512-90A; with parts certificate; gross weight: 4.9 kg

Shock absorbers »412 Series Heavy Duty« by Progressive Suspension; fits Dyna 1991→; steel / spring steel, black, powder-coated; length: 305 mm; shock eyelet: 12.9 mm; spring rate: 300/350 lbs/inch; with spring adjustment wrench; replaces OEM HD 54512-90A; with parts certificate; gross weight: 4.9 kg

Shock absorbers »412 Series Heavy Duty Full Cover« by Progressive Suspension; fits Dyna 1991→; steel / spring steel, black, powder-coated; length: 305 mm; shock eyelet: 12.9 mm; spring rate: 300/350 lbs/inch; with spring adjustment wrench; with parts certificate; gross weight: 5.76 kg

Shock absorbers »412 Series Heavy Duty Full Cover« by Progressive Suspension; fits Dyna 1991→; steel / spring steel, chrome-plated; length: 305 mm; shock eyelet: 12.9 mm; spring rate: 300/350 lbs/inch; with spring adjustment wrench; with parts certificate; gross weight: 5.78 kg

Shock absorbers »412 Series Heavy Duty« by Progressive Suspension; fits Dyna 1991→; steel / spring steel, chrome-plated; length: 318 mm; shock eyelet: 12.9 mm; spring rate: 270/315 lbs/inch; with spring adjustment wrench; replaces OEM HD 54577-94; with parts certificate; gross weight: 5 kg

Shock absorbers »412 Series Heavy Duty« by Progressive Suspension; fits Dyna 1991→; steel / spring steel, black, powder-coated; length: 318 mm; shock eyelet: 12.9 mm; spring rate: 270/315 lbs/inch; with spring adjustment wrench; replaces OEM HD 54577-94; with parts certificate; gross weight: 5.1 kg

Shock absorbers »412 Series Regular« by Progressive Suspension; fits 5 speed Touring 1979-2005, Sportster 1979-2003, FXR →1994; steel / spring steel, chrome-plated; length: 318 mm; shock eyelet: 12.9 mm; spring rate: 90/130 lbs/inch; with spring adjustment wrench; replaces OEM HD 54568-82; with parts certificate; gross weight: 4.61 kg

Shock absorbers »412 Series Regular« by Progressive Suspension; fits 5 speed Touring 1979-2005, Sportster 1979-2003, FXR →1994; steel / spring steel, black, powder-coated; length: 318 mm; shock eyelet: 12.9 mm; spring rate: 90/130 lbs/inch; with spring adjustment wrench; replaces OEM HD 54568-82; with parts certificate; gross weight: 4.5 kg

Shock absorbers »412 Series Regular« by Progressive Suspension; fits 5 speed Touring 1979-2005, Sportster 1979-2003, FXR →1994; steel / spring steel, chrome-plated; length: 330 mm; shock eyelet: 12.9 mm; spring rate: 90/130 lbs/inch; with spring adjustment wrench; replaces OEM HD 54502-87; with parts certificate; gross weight: 4.61 kg

Shock absorbers »412 Series Regular« by Progressive Suspension; fits 5 speed Touring 1979-2005, Sportster 1979-2003, FXR →1994; steel / spring steel, black, powder-coated; length: 330 mm; shock eyelet: 12.9 mm; spring rate: 90/130 lbs/inch; with spring adjustment wrench; replaces OEM HD 54502-87; with parts certificate; gross weight: 4.4 kg

Shock absorbers »412 Series Regular« by Progressive Suspension; fits 5 speed Touring 1979-2005, Sportster 1979-2003, FXR →1994; steel / spring steel, chrome-plated; length: 343 mm; shock eyelet: 12.9 mm; spring rate: 90/130 lbs/inch; with spring adjustment wrench; with parts certificate; gross weight: 4.65 kg

Shock absorbers »412 Series Regular« by Progressive Suspension; fits 5 speed Touring 1979-2005, Sportster 1979-2003, FXR →1994; steel / spring steel, black, powder-coated; length: 343 mm; shock eyelet: 12.9 mm; spring rate: 90/130 lbs/inch; with spring adjustment wrench; with parts certificate; gross weight: 4.44 kg

Shock absorbers »412 Series Heavy Duty« by Progressive Suspension; fits 5 speed Touring 1979-2005, Sportster 1979-2003, FXR →1994; steel / spring steel, chrome-plated; length: 292 mm; shock eyelet: 15.9 mm; spring rate: 115/155 lbs/inch; with spring adjustment wrench; with parts certificate; gross weight: 4.61 kg

Shock absorbers »412 Series Heavy Duty« by Progressive Suspension; fits 5 speed Touring 1979-2005, Sportster 1979-2003, FXR →1994; steel / spring steel, black, powder-coated; length: 292 mm; shock eyelet: 15.9 mm; spring rate: 115/155 lbs/inch; with spring adjustment wrench; with parts certificate; gross weight: 4.32 kg

Shock absorbers »412 Series Heavy Duty« by Progressive Suspension; fits 5 speed Touring 1979-2005, Sportster 1979-2003, FXR →1994; steel / spring steel, chrome-plated; length: 305 mm; shock eyelet: 15.9 mm; spring rate: 115/155 lbs/inch; with spring adjustment wrench; with parts certificate; gross weight: 4.55 kg

Shock absorbers »412 Series Heavy Duty« by Progressive Suspension; fits 5 speed Touring 1979-2005, Sportster 1979-2003, FXR →1994; steel / spring steel, black, powder-coated; length: 305 mm; shock eyelet: 15.9 mm; spring rate: 115/155 lbs/inch; with spring adjustment wrench; with parts certificate; gross weight: 4.42 kg

Shock absorbers »412 Series Regular« by Progressive Suspension; fits Touring 2006→; steel / spring steel, chrome-plated; length: 292 mm; shock eyelet: 15.9 mm; spring rate: 115/155 lbs/inch; with spring adjustment wrench; replaces OEM HD 54662-09, and 54662-02A; with parts certificate; gross weight: 4.7 kg

Shock absorbers »412 Series Regular« by Progressive Suspension; fits Touring 2006→; steel / spring steel, black, powder-coated; length: 292 mm; shock eyelet: 15.9 mm; spring rate: 115/155 lbs/inch; with spring adjustment wrench; replaces OEM HD 54662-09, and 54662-02A; with parts certificate; gross weight: 4.48 kg

Shock absorbers »412 Series Heavy Duty« by Progressive Suspension; fits Touring 2006→; steel / spring steel, chrome-plated; length: 292 mm; shock eyelet: 15.9 mm; spring rate: 125/170 lbs/inch; with spring adjustment wrench; replaces OEM HD 54662-09, and 54662-02A; with parts certificate; gross weight: 4.57 kg

Shock absorbers »412 Series Heavy Duty« by Progressive Suspension; fits Touring 2006→; steel / spring steel, black, powder-coated; length: 292 mm; shock eyelet: 15.9 mm; spring rate: 125/170 lbs/inch; with spring adjustment wrench; replaces OEM HD 54662-09, and 54662-02A; with parts certificate; gross weight: 4.38 kg

Shock absorbers »412 Series Heavy Duty« by Progressive Suspension; fits Touring 2006→; steel / spring steel, chrome-plated; length: 330 mm; shock eyelet: 15.9 mm; spring rate: 105/105 lbs/inch; with spring adjustment wrench; replaces OEM HD 54565-09, and 54565-97C; with parts certificate; gross weight: 4.44 kg

Shock absorbers »412 Series Heavy Duty« by Progressive Suspension; fits Touring 2006→; steel / spring steel, black, powder-coated; length: 330 mm; shock eyelet: 15.9 mm; spring rate: 105/150 lbs/inch; with spring adjustment wrench; replaces OEM HD 54565-09, and 54565-97C; with parts certificate; gross weight: 4.15 kg

Shock absorbers »412 Series Regular« by Progressive Suspension; fits V-Rod; steel / spring steel, chrome-plated; length: 305 mm; shock eyelet: 15.9 mm; spring rate: 210/250 lbs/inch; with spring adjustment wrench; with parts certificate; gross weight: 4.6 kg

Shock absorbers »412 Series Regular« by Progressive Suspension; fits V-Rod; steel / spring steel, black, powder-coated; length: 305 mm; shock eyelet: 15.9 mm; spring rate: 210/250 lbs/inch; with spring adjustment wrench; with parts certificate; gross weight: 4.2 kg

Shock absorbers »412 Series Regular« by Progressive Suspension; fits V-Rod; steel / spring steel, black, powder-coated; length: 318 mm; shock eyelet: 15.9 mm; spring rate: 120/170 lbs/inch; with spring adjustment wrench; with parts certificate; gross weight: 4.42 kg

Bushing by Progressive Suspension; for Shock absorbers; for Progressive Suspension 412 series; fits Big Twin 4-speed 1973-1986, Dyna 1991→; polyurethane, black; ID x OD: 16 x 23.1 mm, 29 mm thick; USA; gross weight: 8 g

Bushing by Progressive Suspension; for Shock absorbers; for Progressive Suspension 418 series; fits Sportster 1979-2003, FXR, Touring 1980-2005; polyurethane, black; ID x OD: 16 x 25.4 mm, 20 mm thick; USA; gross weight: 8 g

Bushing kit by Progressive Suspension; for Shock absorbers; for Progressive Suspension 412 series; fits Big Twin 4-speed 1973-1986, Dyna 1991→; polyurethane, black; USA; gross weight: 60 g

Bushing kit by Progressive Suspension; for Shock absorbers; for Progressive Suspension 412 series; fits K-Model and Sportster 1952-2020, Big Twin 1958-1972, FXR, Touring 1980-2005; polyurethane, black; USA; gross weight: 70 g

Bushing kit by Progressive Suspension; for Shock absorbers; for Progressive Suspension 418 series; fits Sportster 1979-2003, FXR, Touring 1980-2005; polyurethane, black; ID x OD: 16 x 25.4 mm, 20 mm thick; USA; gross weight: 64 g

Bushing kit by Progressive Suspension; for Shock absorbers; for Progressive Suspension 422 series; fits Softail 1989-1999; polyurethane, black; USA; gross weight: 91.4 g

Bushing kit by Progressive Suspension; for Shock absorbers; for Progressive Suspension 422 series; fits Softail 2000-2017; polyurethane, black; USA; gross weight: 132.6 g