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QA1 DD301 is a universal Proma Star aluminum coil-over shock with independent compression and rebound adjustment for compatible custom suspension applications. Confirm the exact manufacturer part number and all current specifications before ordering.
Key Features
- Available with 3" to 9" of stroke and single- or double-adjustable valving, QA1 shocks instantly upgrade ride quality and performance.
- The shock and included hardware kit provide quick and easy ride height adjustability to get the perfect stance.
- Just add a 2.5" spring of the appropriate length and spring rate to get rolling.
- Single-adjustable shocks work great for street cars, softening or stiffening the overall ride with one knob.,, Double-adjustable shocks are ideal for cars that see consistent track time or drivers who want to fine tune their ride quality.
- Independent compression and rebound tuning make this shock equally at home on the street, drag strip and road course.
- Bearing mount shocks minimize deflection and work well if your mounts require misalignment.
Fitment
This component is selected by exact dimensions and system specifications. Universal does not mean every installation is bolt-on or compatible without verification.
Specifications
| Brand | QA1 |
|---|---|
| Manufacturer Part Number | DD301 |
| Product Type | Shock Absorbers |
| Fitment Type | Universal |
| Condition | New |
| GTIN | 806990059642 |
What's Included
One new QA1 shock absorber identified by manufacturer part number DD301 in the configuration shown. Hardware or companion parts are included only when expressly stated by the manufacturer.
About QA1
QA1 manufactures automotive performance and replacement parts identified by exact part number, specifications, and published application data.
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Frequently Asked Questions
How do I confirm DD301 is correct?
This component is selected by exact dimensions and system specifications. Universal does not mean every installation is bolt-on or compatible without verification.
Are similar-looking parts interchangeable?
No. Match part number DD301, dimensions, configuration, included components, and every current manufacturer note.
What is included with this listing?
One new QA1 shock absorber identified by manufacturer part number DD301 in the configuration shown. Hardware or companion parts are included only when expressly stated by the manufacturer.
Installation
Follow the current QA1 instructions for part number DD301. Verify fit, clearance, system specifications, fastener torque, and safe operation before use. Professional installation is recommended when specialized tools, alignment, calibration, or fabrication are required.
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