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#721DS501
QA1 DS501 Proma Star Coil-Over Shock, 17.000/11.625 Ext/Comp
- Features simultaneous compression and rebound adjustment
- Has a precision machined aluminum piston with PTFE piston band
- Made from lightweight aluminum and are 100% dyno tested and serialized
$234.95
/each
In Stock
$260.29
Save $25.34
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Product Summary
Universal Fit, Rear Position, 14" Mounted Length
- Features simultaneous compression and rebound adjustment
- Has a precision machined aluminum piston with PTFE piston band
- Made from lightweight aluminum and are 100% dyno tested and serialized
- They are Revalveable and rebuildable by the QA1 factory or QA1 authorized service centers
- Choose from 18 valving options that adjust both compression and rebound valving simultaneously
Key Specs
| Position | Rear |
| Mounted Length | 14" |
| Shock Adjustability | Single Adjustable |
| Shock Type | Twin Tube |
| Shock Body Material | Aluminum |
Need To Know
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QA1 DS501 Details
With QA1's Proma Star single adjustable coil-over shock, you can easily adjust your compression and rebound valving and get the hard-core performance you need. One knob allows you to choose from 18 valving options that adjust both compression and rebound valving simultaneously, allowing total suspension control in one easy-to-reach location.
- Simultaneous Compression and Rebound Adjustment
- Coil-Over
- Lightweight Aluminum
- Ride Height Adjustable
- Spring Mounting Hardware Included
- 100% Dyno Tested and Serialized
- Revalveable and Rebuildable by the QA1 Factory or QA1 Authorized Service Centers
- American Made
- Precision Machined Aluminum Piston with PTFE Piston Band
- 5/8" Centerless Ground, Hard Chrome Plated, Solid Piston Rod
- Three Step Sealing System
Guides & Documents
Warranty Information
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Warranty Information
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QA1 DS501 Specifications
QA1 DS501 Specifications
| KEY SPECS | |
|---|---|
| MFG. Part # | DS501 |
| Brand | QA1 |
| Position | Rear |
| Mounted Length | 14" |
| Shock Adjustability | Single Adjustable |
| Shock Type | Twin Tube |
| Shock Body Material | Aluminum |
| Shock Stroke | 5.00 |
| Upper Shock Mount | Bearing |
| Lower Shock Mount | Bearing |
| Height Adjustable | Yes |
| Finish | Anodized |
| GENERAL | |
| Compressed Length Range | 11.00" to 11.99" |
| Compressed Length | 11.63" |
| Extended Length Range | 16.00" to 16.99" |
| Extended Length | 16.88" |
| Spring Diameter | 2.5" |
| Spring Length | 12 Inch |
| Number of Valving Selections | 18 |
| Mounted Length Range | 14" - 14 1/2" |
| Coilover Springs Included | No |
| Body Diameter | 2.00" |
| Sold in Quantity | Each |
| Adjustable | Yes |
| Hardware Included | Yes |
| Gas Charged | No |
| Color | Natural |
| Mounting Bracket Included | No |
| GTIN Code | 806990059796 |
Ratings & Reviews
5
4 Reviews
Customers appreciate the excellent quality and performance of our shocks, making them a preferred choice for their applications. The top-notch material quality ensures reliable functioning. The product stands out in the competitive market due to its superior texture and usability. Many users express their satisfaction, confirming our product's excellence in practicality over competitors.
Ratings & Reviews
5
4 Reviews
Customers appreciate the excellent quality and performance of our shocks, making them a preferred choice for their applications. The top-notch material quality ensures reliable functioning. The product stands out in the competitive market due to its superior texture and usability. Many users express their satisfaction, confirming our product's excellence in practicality over competitors.
5
4 reviews
5
4
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Filter by Ratings
Yes
5.0
6 years ago
Jimbo
Ontario
Verified
Excellent shocks
Would Recommend
Yes
5.0
6 years ago
Jimbo
Ontario
Verified
Was very happy with the shocks and how fast I got them
Would Not Recommend
Good Buy
5.0
6 years ago
Chris V
Kansas
Verified
Quality parts and fast shipping. This worked perfectly for my application
As always perfectly described and great service
5.0
8 years ago
Ron
Muskogee Ok
Verified
Half my race car came from Speedway and it is always a pleasure doing business with them. And their products are always top notch
Would Recommend
Showing 4 of 4 reviews
Questions & Answers
Questions & Answers
2 Questions • 2 Answers
Is this a direct replacement for the DR 5855 B?
by Steve
• 9 years ago
1 answer
View Answer
What size mounting hardware do these use? I have 5/8" bolts in my coilover mounts on a 4 bar system. Thanks
by SPark
• 9 years ago
1 answer
View Answer
2 of 2 questions shown