The KYB Gas-a-Just rear shock for 2017–2022 Ford F-250/F-350 Super Duty 2WD uses a monotube design with separate hydraulic and high-pressure nitrogen chambers to provide instant, fade-free damping. That arrangement delivers a comfortable ride in normal driving and immediate performance on demand, while helping electronic safety systems operate as intended by maintaining predictable suspension control.
KYB Shocks & Struts Gas-A-Just Rear 17-22 Ford F-250/F-350 Super Duty 2WD