The Gas-a-just monotube strut is available as an OE monotube replacement to restore your vehicle's original capabilities. The KYB Gas-a-just has two separate working chambers: An air-free hydraulic piston and valve area for responsiveness and 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. Adds up to 25% more damping performance over original equipment shocks Components and valving designed specifically for Toyotas Gas-a-Just monotubes include additional damping over OE design for vehicles that work, tow, and have larger, heavier tires & wheels High pressure monotube design separates the gas and oil for fade free operation and instant response 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. To reduce the chance of noise and vibration KYB recommends installing new strut mounts, part number: SM5088 Protect your new struts from dirt, debris and salt with a KYB Strut Boot, part number: SB107 Package Dimensions: 26.575 x 5.315 x 4.724 inches Package Weight: 5.64 lb Package Quantity: 1 UPC: 781552091295 B-stop: N Compressed Length: 14.17 Dust Cover Included: N Extended Length: 21.42 Country of Origin: JP