Shock Steel Twin Tube 9in Comp 4 Reb 4

The Shock Steel Twin Tube 9in Comp 4 Reb 4 by QA1 is a premium twin tube shock absorber designed for serious suspension upgrades on street rods, classic cars, and high-performance vehicles. This 9-inch unit is engineered for builders and enthusiasts who demand precise damping control and reliable performance across varied driving conditions.

Built with QA1's proven twin-tube design, the Shock Steel features adjustable compression and rebound damping, allowing for tuning authority over how your suspension responds to bumps, acceleration, and cornering loads. The steel construction ensures long-term reliability in harsh driving environments, while the 9-inch compressed length makes it compatible with many custom fabrication scenarios where space is limited.

Mechanics and fabricators trust QA1 shocks for suspension builds ranging from vintage hot rods to modern performance cars. The compact 19.2-inch overall length and 5.8-pound weight make installation straightforward on custom chassis or OEM suspension conversions. Installation requires proper spring rate matching to achieve optimal performance.