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KYB Suspension KG4550 Gas-a-Just High Pressure Monotube Gas Shock Absorber

(Chevrolet Corvette 1963-82, Impala 1959-64, Corvair 1960-64, Bel Air 1955-64, Biscayne 1958-64; Pontiac Bonneville 1958-62, Catalina 1958-62 + 2 more models)

Part of: KYB Suspension Gas-a-Just Monotube High Pressure Gas Shock Absorber

Other options in this family: KYB Suspension KG54317 KYB Suspension KG5462 KYB Suspension KG4752 KYB Suspension 554348 KYB Suspension KG5440

Manufacturer

Picture for manufacturer KYB Suspension

Part Number

KG4550
12 reviews
Sale Price

$57.23

In Stock (10+)

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Usually delivered within 2 days

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Product Details

The KYB Gas-a-Just KG4550 is a high-performance monotube gas shock absorber engineered to deliver superior handling and fade-free performance. Unlike traditional twin-tube designs, this monotube shock features a single-tube construction that provides instant response to changing road conditions without the performance degradation caused by aeration.

Advanced Monotube Design Benefits:

  • Dual-chamber design with separate hydraulic and gas chambers for optimal performance
  • Air-free hydraulic piston and valve area ensures consistent responsiveness and precise control
  • High-pressure nitrogen gas chamber with floating piston technology
  • Automatically adjusts to performance demands without driver input
  • Fade-free operation eliminates performance loss during demanding driving
  • Balanced ride quality: comfortable during normal driving with instant performance on demand
  • Superior heat dissipation compared to twin-tube designs

The Gas-a-Just monotube design allows the shock to maintain consistent damping characteristics under all driving conditions. The high-pressure nitrogen charge and floating piston work together to prevent cavitation and aeration, ensuring reliable performance whether you're commuting daily or pushing your vehicle's limits. This shock absorber is ideal for drivers seeking improved handling, reduced body roll, and enhanced vehicle control without sacrificing ride comfort.

Products specifications

Fits

Chevrolet Corvette 1963-82, Impala 1959-64, Corvair 1960-64, Bel Air 1955-64, Biscayne 1958-64; Pontiac Bonneville 1958-62, Catalina 1958-62; Volvo 142 1967-74, 144 1967-74, 164 1969-75, 145 1968-74; Avanti II 1965-85

FEATURE AND BENEFIT 1

ADDS UP TO 25% MORE DAMPING PERFORMANCE OVER ORIGINAL EQUIPMENT SHOCKS

Extended Length

13.54

Stroke Length

4.29

Compressed Length

9.25

Feature and Benefit 2

COMPONENTS AND VALVING DESIGNED SPECIFICALLY FOR CLASSIC CARS

Lower Mount Type

E3(51.6X87X20)

Feature and Benefit 7

ELECTRONIC SAFETY SYSTEMS DEPEND ON THE SUSPENSION, BRAKES AND TIRES OPERATING AS THE VEHICLE MANUFACTURER INTENDED. THE KYB GAS-A-JUST HELPS KEEP ELECTRONIC SAFETY SYSTEMS PERFORMING AS DESIGNED.

Feature and Benefit 5

FLUID LEAKING CAN BE A CAUSE OF SHOCK FAILURE, THE KYB GAS-A-JUST HAS AN ULTRA-SMOOTH TRIPLE CHROME PLATED CHROME PISTON ROD TO REDUCE SEAL WEAR

Feature and Benefit 3

GAS-A-JUST MONOTUBES INCLUDE ADDITIONAL DAMPING OVER OE DESIGN FOR VEHICLES THAT WORK, TOW, AND HAVE LARGER, HEAVIER TIRES & WHEELS

Feature and Benefit 4

HIGH PRESSURE MONOTUBE DESIGN SEPARATES THE GAS AND OIL FOR FADE FREE OPERATION AND INSTANT RESPONSE

Dust Cover Included

N

B-stop

N

Upper Mount Type

S1

Feature and Benefit 6

THE HIGHER GAS PRESSURE OF THE KYB GAS-A-JUST RESPONDS QUICKLY TO IMPROVE STEERING RESPONSE

R-stop

Y

Internal Rebound Spring

N

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Everything went smoothly, love the prices and the ease of transaction, hope to buy from you real soon, Nice people.

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