The Bilstein B6 (HD) Monotube Shock Absorber (Part #24-187329) is a performance upgrade designed specifically for large Class A Motorhomes built on the Monaco Roadmaster chassis. Engineered to provide superior handling, stability, and control, this gas-pressure monotube shock eliminates excessive body roll and swaying in crosswinds. Features a 46mm piston diameter for consistent fade-free performance. Package Includes: - 1 x Bilstein 24-187329 B6 Heavy Duty Gas Pressure Shock Absorber - Required mounting hardware (Bushings/Sleeves where applicable)