QA1 HS01 Proma Star Single Adjustable Coilover Strut

The QA1 HS01 Proma Star Coilover Strut delivers race-proven performance and adjustability for 1979-1993 Ford Mustangs. This single adjustable shock features QA1's proven monotube design with a 12-position rebound adjustment system, allowing you to fine-tune your suspension for street driving, handling performance, or track use.

Key Features:

• Single adjustable monotube shock design with 12 rebound settings
• Threaded coilover body accepts 2.5-inch ID coil springs for precise ride height adjustment
• High-pressure nitrogen gas charge for consistent damping and fade resistance
• Precision-machined aluminum and steel construction for durability
• Easy-access external adjustment knob for on-the-fly tuning
• Direct bolt-in replacement for 1979-1993 Mustang factory front struts
• Compatible with QA1 coil springs and mounting hardware (sold separately)

The Proma Star series combines QA1's motorsports engineering with street-friendly features, making it ideal for muscle car enthusiasts who demand both performance and adjustability. The monotube design provides superior heat dissipation compared to twin-tube shocks, ensuring consistent performance during spirited driving. Note that coil springs, spring perches, and mounting hardware must be purchased separately to complete the installation.