QA1 Short Wheelbase, Single Adjustable Shocks, 170 Lb. Springs - R121-170

QA1 Short Wheelbase, Single Adjustable Shocks, 170 Lb. Springs - R121-170

QA1's unique torque arm design maximizes performance without the inherent binding issues of other systems, all while achieving a 4" to 7" drop. This bolt-in system also offers incomparable adjustability: the watts link, torque arm, trailing arms, bracket mounts, and shocks are all adjustable. Single-adjustable shocks are perfect for street-driven trucks that see occasional time on the track. With a simple turn of.

Key Features

• Brand: QA1
• Part Number: R121-170
• Product Type: Coilover Overhaul Kit
• Fitment: Ford F-150
• Built for improved handling, stance, suspension control, and reliable performance
• Designed for serious street, performance, drag, pro-touring, and custom builds

Fitment & Installation Notes

Ford F-150 Professional installation is recommended when suspension geometry, alignment, ride height, welding, or fabrication may be involved.

Emissions & Compliance

Catalog compliance data lists CARB:N and/or EPA:N. Confirm state and local requirements before street use.

Why Buy This Part

Choose QA1 for proven performance parts engineered for enthusiasts who care about fitment, quality, and real-world results.