Performance Overview

The high pressure monotube design responds instantly to conditions and driver inputs to deliver increased handling capabilities over twin-tube designs

Key Features

• The KYB Gas-a-Just monotube shock absorber has additional performance advantages over the traditional twin-tube design: It can instantly, automatically adjust to your performance needs and never experiences fade due to aeration. The Gas-a-Just is available as an OE monotube replacement and as an OE twin-tube performance upgrade. The KYB Gas-a-Just has two separate working chambers: An air-free hydraulic piston and valve area for responsiveness & control, and a second high-pressure nitrogen gas area with a floating piston that provides a comfortable ride during normal driving and adds instant performance on demand.
• The high pressure monotube design responds instantly to conditions and driver inputs to deliver increased handling capabilities over twin-tube designs
• Monotube shocks have separate chambers for the nitrogen gas and hydraulic fluid, this eliminates aeration and foaming and helps maintain consistent damping force in all conditions.
• 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. The multi-lip, synthetic oil seal is engineered to keep fluid in and has a wiper to keep contaminates out of the oil.
• 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
• The higher gas pressure of the KYB Gas-a-Just responds quickly to improve steering response
• 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.
• Protect your new struts from dirt, debris and salt with a KYB Strut Boot, part number: SB107
• Adjustable: No
• Bearing Plate Included: No
• Body Diameter: 43.5 mm
• Boot Included: No
• Coil Over Springs Included: No
• Compressed Length: 15.20 in
• Design: Monotube
• Dust Shield: No
• Extended Length: 24.02 in
• Gas Charged: Yes
• Lower Mount Type: Eyelet
• Lower Mounting Isolator Included: No
• Manufacturer Part Number: KG5787A
• Stroke Length: 8.82 in
• Upper Mount Type: Stud
• Upper Mounting Isolator Included: No
• VMRS Code: 16003000

Vehicle Fitment Table

FAQ

Will this fit my vehicle?
Please verify your year, make, model, position, and any fitment notes using the compatibility table above before purchase.

What part number is this?
The listed part number is KG5787A.

Is this product designed for direct replacement?
Yes. This product is intended to match the compatible vehicle applications listed in the fitment table.

Should I confirm fitment before ordering?
Yes. Always compare your original part, position, and vehicle details with the fitment table before ordering.

Common Searches

• Shock Absorber for Nissan 300ZX
• KG5787A fitment
• KYB Shock Absorber
• 1984–1989 Nissan 300ZX Shock Absorber
• KYB KG5787A replacement