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Please, add your first item to the wishlist

Select vehicle to confirm fitment

Shock Absorber – Rear (Gas-a-Just)

PART#: KG5551
KYB
Fitments
YearMakeModelSubmodelEngineFuel TypePositionNote
1993FordMustangSVT Cobra5.0V8GASRearMonotube Performance Upgrade
1993FordMustangLX5.0V8GASRearMonotube Performance Upgrade
1993FordMustangGT5.0V8GASRearMonotube Performance Upgrade
1992FordMustangLX5.0V8GASRearMonotube Performance Upgrade
1992FordMustangGT5.0V8GASRearMonotube Performance Upgrade
1991FordMustangLX5.0V8GASRearMonotube Performance Upgrade
1991FordMustangGT5.0V8GASRearMonotube Performance Upgrade
1990FordMustangLX5.0V8GASRearMonotube Performance Upgrade
1990FordMustangGT5.0V8GASRearMonotube Performance Upgrade
1989FordMustangGT5.0V8GASRearMonotube Performance Upgrade
1989FordMustangLX5.0V8GASRearMonotube Performance Upgrade
1988FordMustangLX5.0V8GASRearMonotube Performance Upgrade
1988FordMustangGT5.0V8GASRearMonotube Performance Upgrade
1987FordMustangLX5.0V8GASRearMonotube Performance Upgrade
1987FordMustangGT5.0V8GASRearMonotube Performance Upgrade
1986FordMustangSVO2.3L4GASRearMonotube Performance Upgrade
1986FordMustangGT5.0V8GASRearMonotube Performance Upgrade; Special Handling
1986MercuryCapriGS2.3L4GASRearMonotube Performance Upgrade; w/ Special Handling Package
1986MercuryCapri5.05.0V8GASRearMonotube Performance Upgrade; w/ Special Handling Package
1986MercuryCapriGS3.8V6GASRearMonotube Performance Upgrade; w/ Special Handling Package
1985FordMustangGT5.0V8GASRearMonotube Performance Upgrade; Special Handling
1985FordMustangSVO2.3L4GASRearMonotube Performance Upgrade
1985MercuryCapriGS2.3L4GASRearMonotube Performance Upgrade; w/ Special Handling Package
1985MercuryCapriRS5.0V8GASRearMonotube Performance Upgrade; w/ Special Handling Package
1985MercuryCapriGS3.8V6GASRearMonotube Performance Upgrade; w/ Special Handling Package
1984FordMustangSVO2.3L4GASRearMonotube Performance Upgrade
1984FordMustangGT-350 20th Anniversary5.0V8GASRearMonotube Performance Upgrade; Special Handling
1984FordMustangGT-350 20th Anniversary2.3L4GASRearMonotube Performance Upgrade; Special Handling
1984FordMustangGT5.0V8GASRearMonotube Performance Upgrade; Special Handling
1984FordMustangGT2.3L4GASRearMonotube Performance Upgrade; Special Handling
1984MercuryCapriGS2.3L4GASRearMonotube Performance Upgrade; w/ Special Handling Package
1984MercuryCapriRS Turbo2.3L4GASRearMonotube Performance Upgrade; w/ Special Handling Package
1984MercuryCapriRS5.0V8GASRearMonotube Performance Upgrade; w/ Special Handling Package
1984MercuryCapriGS3.8V6GASRearMonotube Performance Upgrade; w/ Special Handling Package
1983FordMustangTurbo GT2.3L4GASRearMonotube Performance Upgrade; Special Handling
1983FordMustangGT5.0V8GASRearMonotube Performance Upgrade; Special Handling
1983MercuryCapriRS5.0V8GASRearMonotube Performance Upgrade; w/ Special Handling Package
1983MercuryCapriCrimson Cat2.3L4GASRearMonotube Performance Upgrade; w/ Special Handling Package
1983MercuryCapriBlack Magic3.8V6GASRearMonotube Performance Upgrade; w/ Special Handling Package
1983MercuryCapriL3.8V6GASRearMonotube Performance Upgrade; w/ Special Handling Package
1983MercuryCapriL2.3L4GASRearMonotube Performance Upgrade; w/ Special Handling Package
1983MercuryCapriBlack Magic2.3L4GASRearMonotube Performance Upgrade; w/ Special Handling Package
1983MercuryCapriGS2.3L4GASRearMonotube Performance Upgrade; w/ Special Handling Package
1983MercuryCapriBase2.3L4GASRearMonotube Performance Upgrade; w/ Special Handling Package
1983MercuryCapriBase3.8V6GASRearMonotube Performance Upgrade; w/ Special Handling Package
1983MercuryCapriGS3.8V6GASRearMonotube Performance Upgrade; w/ Special Handling Package
1983MercuryCapriCrimson Cat3.8V6GASRearMonotube Performance Upgrade; w/ Special Handling Package
1982FordMustangGT5.0V8GASRearMonotube Performance Upgrade
1981FordFairmontFutura2.3L4GASRear(Exc. TRX Suspension); Monotube Performance Upgrade
1981FordFairmontS4.2V8GASRear(Exc. TRX Suspension); Monotube Performance Upgrade
1981FordFairmontBase4.2V8GASRear(Exc. TRX Suspension); Monotube Performance Upgrade
1981FordFairmontS3.3L6GASRear(Exc. TRX Suspension); Monotube Performance Upgrade
1981FordFairmontBase2.3L4GASRear(Exc. TRX Suspension); Monotube Performance Upgrade
1981FordFairmontS2.3L4GASRear(Exc. TRX Suspension); Monotube Performance Upgrade
1981FordFairmontFutura3.3L6GASRear(Exc. TRX Suspension); Monotube Performance Upgrade
1981FordFairmontBase3.3L6GASRear(Exc. TRX Suspension); Monotube Performance Upgrade
1981FordFairmontFutura4.2V8GASRear(Exc. TRX Suspension); Monotube Performance Upgrade
1981FordMustangBase2.3L4GASRearMonotube Performance Upgrade
1981FordMustangCobra4.2V8GASRearMonotube Performance Upgrade
1981FordMustangGhia3.3L6GASRearMonotube Performance Upgrade
1981FordMustangGhia4.2V8GASRearMonotube Performance Upgrade
1981FordMustangGhia2.3L4GASRearMonotube Performance Upgrade
1981FordMustangBase3.3L6GASRearMonotube Performance Upgrade
1981FordMustangBase4.2V8GASRearMonotube Performance Upgrade
1981MercuryCapriGS3.3L6GASRearMonotube Performance Upgrade
1981MercuryCapriGS2.3L4GASRearMonotube Performance Upgrade
1981MercuryCapriGS4.2V8GASRearMonotube Performance Upgrade
1981MercuryCapriBase3.3L6GASRearMonotube Performance Upgrade
1981MercuryCapriBase4.2V8GASRearMonotube Performance Upgrade
1981MercuryCapriBase2.3L4GASRearMonotube Performance Upgrade
1981MercuryZephyrBase4.2V8GASRear(Exc. TRX Suspension); Monotube Performance Upgrade
1981MercuryZephyrBase2.3L4GASRear(Exc. TRX Suspension); Monotube Performance Upgrade
1981MercuryZephyrZ74.2V8GASRear(Exc. TRX Suspension); Monotube Performance Upgrade
1981MercuryZephyrBase3.3L6GASRear(Exc. TRX Suspension); Monotube Performance Upgrade
1981MercuryZephyrZ72.3L4GASRear(Exc. TRX Suspension); Monotube Performance Upgrade
1981MercuryZephyrZ73.3L6GASRear(Exc. TRX Suspension); Monotube Performance Upgrade
1980FordFairmontBase2.3L4GASRear(Exc. TRX Suspension); Monotube Performance Upgrade
1980FordFairmontFutura3.3L6GASRear(Exc. TRX Suspension); Monotube Performance Upgrade
1980FordFairmontBase4.2V8GASRear(Exc. TRX Suspension); Monotube Performance Upgrade
1980FordFairmontBase3.3L6GASRear(Exc. TRX Suspension); Monotube Performance Upgrade
1980FordFairmontFutura4.2V8GASRear(Exc. TRX Suspension); Monotube Performance Upgrade
1980FordFairmontFutura2.3L4GASRear(Exc. TRX Suspension); Monotube Performance Upgrade
1980FordMustangBase4.2V8GASRearMonotube Performance Upgrade
1980FordMustangBase3.3L6GASRearMonotube Performance Upgrade
1980FordMustangGhia3.3L6GASRearMonotube Performance Upgrade
1980FordMustangGhia2.3L4GASRearMonotube Performance Upgrade
1980FordMustangBase2.3L4GASRearMonotube Performance Upgrade
1980FordMustangGhia4.2V8GASRearMonotube Performance Upgrade
1980MercuryCapriBase2.3L4GASRearMonotube Performance Upgrade
1980MercuryCapriGhia4.2V8GASRearMonotube Performance Upgrade
1980MercuryCapriBase3.3L6GASRearMonotube Performance Upgrade
1980MercuryCapriGhia2.3L4GASRearMonotube Performance Upgrade
1980MercuryCapriGhia3.3L6GASRearMonotube Performance Upgrade
1980MercuryCapriBase4.2V8GASRearMonotube Performance Upgrade
1980MercuryZephyrBase3.3L6GASRear(Exc. TRX Suspension); Monotube Performance Upgrade
1980MercuryZephyrZ74.2V8GASRear(Exc. TRX Suspension); Monotube Performance Upgrade
1980MercuryZephyrBase4.2V8GASRear(Exc. TRX Suspension); Monotube Performance Upgrade
1980MercuryZephyrZ72.3L4GASRear(Exc. TRX Suspension); Monotube Performance Upgrade
1980MercuryZephyrZ73.3L6GASRear(Exc. TRX Suspension); Monotube Performance Upgrade
1980MercuryZephyrBase2.3L4GASRear(Exc. TRX Suspension); Monotube Performance Upgrade
1979FordFairmontBase5.0V8GASRear(Exc. TRX Suspension); Monotube Performance Upgrade
1979FordFairmontFutura2.3L4GASRear(Exc. TRX Suspension); Monotube Performance Upgrade
1979FordFairmontBase2.3L4GASRear(Exc. TRX Suspension); Monotube Performance Upgrade
1979FordFairmontBase3.3L6GASRear(Exc. TRX Suspension); Monotube Performance Upgrade
1979FordFairmontFutura5.0V8GASRear(Exc. TRX Suspension); Monotube Performance Upgrade
1979FordFairmontFutura3.3L6GASRear(Exc. TRX Suspension); Monotube Performance Upgrade
1979FordMustangGhia5.0V8GASRearMonotube Performance Upgrade
1979FordMustangBase2.8V6GASRearMonotube Performance Upgrade
1979FordMustangGhia2.8V6GASRearMonotube Performance Upgrade
1979FordMustangBase5.0V8GASRearMonotube Performance Upgrade
1979FordMustangBase2.3L4GASRearMonotube Performance Upgrade
1979FordMustangGhia2.3L4GASRearMonotube Performance Upgrade
1979FordMustangGhia3.3L6GASRearMonotube Performance Upgrade
1979FordMustangBase3.3L6GASRearMonotube Performance Upgrade
1979MercuryCapriGhia2.8V6GASRearMonotube Performance Upgrade
1979MercuryCapriGhia3.3L6GASRearMonotube Performance Upgrade
1979MercuryCapriBase5.0V8GASRearMonotube Performance Upgrade
1979MercuryCapriGhia2.3L4GASRearMonotube Performance Upgrade
1979MercuryCapriGhia5.0V8GASRearMonotube Performance Upgrade
1979MercuryCapriBase3.3L6GASRearMonotube Performance Upgrade
1979MercuryCapriBase2.3L4GASRearMonotube Performance Upgrade
1979MercuryCapriBase2.8V6GASRearMonotube Performance Upgrade
1979MercuryZephyrZ72.3L4GASRear(Exc. TRX Suspension); Monotube Performance Upgrade
1979MercuryZephyrZ75.0V8GASRear(Exc. TRX Suspension); Monotube Performance Upgrade
1979MercuryZephyrBase3.3L6GASRear(Exc. TRX Suspension); Monotube Performance Upgrade
1979MercuryZephyrZ73.3L6GASRear(Exc. TRX Suspension); Monotube Performance Upgrade
1979MercuryZephyrBase5.0V8GASRear(Exc. TRX Suspension); Monotube Performance Upgrade
1979MercuryZephyrBase2.3L4GASRear(Exc. TRX Suspension); Monotube Performance Upgrade
1978FordFairmontBase5.0V8GASRear(Exc. TRX Suspension); Monotube Performance Upgrade
1978FordFairmontFutura2.3L4GASRear(Exc. TRX Suspension); Monotube Performance Upgrade
1978FordFairmontFutura3.3L6GASRear(Exc. TRX Suspension); Monotube Performance Upgrade
1978FordFairmontBase2.3L4GASRear(Exc. TRX Suspension); Monotube Performance Upgrade
1978FordFairmontBase3.3L6GASRear(Exc. TRX Suspension); Monotube Performance Upgrade
1978FordFairmontFutura5.0V8GASRear(Exc. TRX Suspension); Monotube Performance Upgrade
1978MercuryZephyrBase3.3L6GASRear(Exc. TRX Suspension); Monotube Performance Upgrade
1978MercuryZephyrBase2.3L4GASRear(Exc. TRX Suspension); Monotube Performance Upgrade
1978MercuryZephyrZ73.3L6GASRear(Exc. TRX Suspension); Monotube Performance Upgrade
1978MercuryZephyrZ75.0V8GASRear(Exc. TRX Suspension); Monotube Performance Upgrade
1978MercuryZephyrZ72.3L4GASRear(Exc. TRX Suspension); Monotube Performance Upgrade
1978MercuryZephyrBase5.0V8GASRear(Exc. TRX Suspension); Monotube Performance Upgrade
Product info

The KYB Shock Absorber KG5551 is a high-quality replacement part for Ford and Mercury vehicles. This shock absorber is designed to provide excellent performance and durability, ensuring a smooth and comfortable ride even on rough roads.

One of the main benefits of the KYB Shock Absorber KG5551 is its exceptional ability to absorb vibrations and shocks. It features a multi-stage valve system that adjusts to different road conditions, delivering consistent damping force. With this shock absorber, you can enjoy improved control and stability, reducing the risk of accidents and damage to your vehicle.

In addition to its superior performance, the KYB Shock Absorber KG5551 is also built to last. It is made from high-quality materials that are resistant to corrosion, wear, and tear, ensuring long-lasting reliability. This part is also easy to install, making it a hassle-free replacement option.

Compatible with Ford and Mercury vehicles, the KYB Shock Absorber KG5551 is an ideal replacement part for those looking to improve their vehicle’s suspension system. Whether you’re driving on rough terrain or smooth highways, this shock absorber will provide the support and comfort you need for a safe and enjoyable ride. Upgrade your ride today with the KYB Shock Absorber KG5551.

About KYB

The KYB Corporation is a Tokyo-based automotive company that specializes in manufacturing shock absorbers, power steering systems, air suspensions, coil springs, sensors, and other products.

The company was founded in 1919 by Shiro Kayaba. Throughout the last century, KYB has made both replacement parts and original equipment parts for cars, trucks, buses, motorcycles, aircraft, and various industrial applications.

KYB is known for being one of the largest shock absorber manufacturers in the world.

It is also one of the world’s leading suppliers of OE shock absorbers to vehicle manufacturers. The corporation has 32 facilities located in 21 countries.

KYB owns the largest shock absorber manufacturing plant on the planet, located in Gifu, Japan. 

One strut is made every 15 seconds at this factory thanks to its highly automated production process.

The KYB Corporation has an annual output of 75 million shock absorbers worldwide.This brand is a leading supplier to major car manufacturers including Toyota, Honda, Mitsubishi, Nissan, Chrysler, GM, Lexus, and many more.

It owns 15 production plants located in the United States, Europe, and Asia. The company has the largest production volume out of any other shock absorber manufacturer.

KYB exports its products to over 100 countries across the globe. In North America, the most popular products developed by the KYB Corporation are shocks and struts. 

The company has been increasing its presence in the North American market in recent years, where its manufacturing, distribution, and sales are managed by four subsidiaries in the US and Mexico.

Specifications
COMPRESSED BUMP STOPN
Compressed Length12.6
Dust Cover IncludedY
Extended Length20.67
FEATURE AND BENEFIT 1ADDS UP TO 25% MORE DAMPING PERFORMANCE OVER ORIGINAL EQUIPMENT SHOCKS
FEATURE AND BENEFIT 2COMPONENTS AND VALVING DESIGNED SPECIFICALLY FOR CLASSIC FORD CARS
FEATURE AND BENEFIT 3HIGH GAS PRESSURE DESIGN PROVIDES INSTANT, EXTRA CONTROL
FEATURE AND BENEFIT 4MONOTUBE DESIGN OUTPERFORMS ALL OTHER STANDARD SHOCK ABSORBERS
FEATURE AND BENEFIT 5UNIQUE, AIR-FREE, HYDRAULIC UNIT ELIMINATES PERFORMANCE FADE
Lower Mount TypeE2(12.8X38)
REBOUND STOPN
Stroke Length8.07
Upper Mount TypeS1
Warranty
We offer a 2-year warranty on all parts that we sell. If the part fails within 2 years of purchase, please contact us for instructions to replace it. The warranty does not cover normal wear and tear or improper installation. On many parts, we also offer Extend product protection, which is a way to add up to 3 additional years for 5 total years of worry free coverage. Select your preferred term length and you're covered!
Delivery & Returns

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