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#721HS01
QA1 HS01 Proma Star Coilover Strut, 79-93 Mustang, Single Adjust
- The QA1 Proma Star Strut is designed for both street and race applications, providing optimal performance and handling for various driving styles.
- Its inverted cartridge design features a large diameter shaft that resists side loading, ensuring smoother performance during hard cornering and braking, while the lightweight aluminum body reduces unsprung weight for improved responsiveness.
$479.95
/each
Factory Shipped
$531.70
Save $51.75
Quantity
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Product Summary
Stock Height Suspension Height Adjustment, Adjustable
- The QA1 Proma Star Strut is designed for both street and race applications, providing optimal performance and handling for various driving styles.
- Its inverted cartridge design features a large diameter shaft that resists side loading, ensuring smoother performance during hard cornering and braking, while the lightweight aluminum body reduces unsprung weight for improved responsiveness.
- Equipped with an easily accessible 18-position knob for rebound adjustment, the strut allows drivers to fine-tune suspension firmness for a comfortable ride on the street and increased performance on the track.
- The product includes one individual strut, with QA1 caster camber plates required for installation (sold separately).
- The strut is not compatible with factory size springs for 2005-2014 Mustangs, highlighting the need for careful fitment considerations.
Key Specs
| MFG. Part # | HS01 |
| Suspension Height Adjustment | Stock Height |
| Shocks Included | Yes |
| Adjustable | Yes |
| Gas Charged | Yes |
Need To Know
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QA1 HS01 Details
The QA1 Proma Star Strut is a perfect choice for your Mustang. It's ideal for both street and race applications, thanks to its lightweight inverted strut design. This allows you the best possible performance and handling out of your car, regardless of your driving style.
INVERTED STRUT DESIGN
A major advantage of the Proma Star strut is its inverted cartridge design. Unlike conventional designs, its large diameter shaft resists side loading, ensuring smoother and more consistent performance during hard cornering and braking. The lightweight threaded aluminum body offers reduced unsprung weight improving suspension responsiveness, leading to better handling and traction.
SINGLE-ADJUSTABLE VALVING
Single-adjustable struts are a good option for street-driven cars that also see occasional track use. Rebound adjustment is made under the hood with an easily accessible 18 position knob at the top of the strut tower. A good choice for drivers wanting a comfortable ride on the street with the ability to firm up the suspension to hit the curves.
EASY, BOLT-IN INSTALLATION
Our commitment to thoughtful product design is evident in every fully bolt-in kit we produce, which guarantees a hassle-free installation process.
MADE IN THE USA
QA1 Proma Star struts are proudly made in Lakeville, Minnesota.
FITMENT NOTES
- Includes one individual strut only.
- QA1 Caster Camber plates are required and sold separately.
- 2005-2014 Mustang Strut is not compatible with factory size springs
QA1 HS01 Specifications
QA1 HS01 Specifications
| KEY SPECS | |
|---|---|
| MFG. Part # | HS01 |
| Brand | QA1 |
| Suspension Height Adjustment | Stock Height |
| Shocks Included | Yes |
| Adjustable | Yes |
| Gas Charged | Yes |
| Number of Valving Selections | 18 |
| Upper Shock Mount | Single Stud |
| Shock Type | Double-adjustable |
| Lower Shock Mount | Bracket |
| Shock Body Material | Aluminum |
| Finish | Painted |
| Material Type | Aluminum |
| Color | Black |
| Coilover Springs Included | No |
| Crossmember Included | No |
| Mounting Bracket Included | Yes |
| Hardware Included | No |
| Welding Required | No |
| Adjustable Valving | Yes |
| Position | Front |
| GENERAL | |
| GTIN Code | 806990174369 |
| Sold in Quantity | Each |
| Boot Included | No |
Ratings & Reviews
Ratings & Reviews
Questions & Answers
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Fitment
Fitment
1979-1993 Ford Mustang

