KYB For Chevy Silverado 1500 HD 20012006 Shocks Struts GasAJust Rear KG54342

The KYB Gasajust monotube truck shock absorber has additional performance advantages over the twintube design It can instantly, automatically adjust to your performance needs and never experiences fade due to aeration. The Gasajust is available as an OE monotube replacement and as an OE twintube performance upgrade. The KYB Gasajust has two separate working chambers An airfree hydraulic piston and valve area for responsiveness and control, and a second highpressure nitrogen gas area with a floating piston that provides a comfortable ride during normal driving and adds instant performance on demand. High gas pressure design provides instant, extra control. Factory Sealed Brand new in box