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#721DS50112300
QA1 DS501-12300 HD Pro Rear Weld-In Coilover Kit Single Adj Shock
- QA1's Heavy Duty Pro Rear Systems provide a seamless coilover conversion for vehicles with a 1700-2600 lbs. rear axle weight, including all necessary hardware and bracketry.
- The system offers 9” of ride height adjustability with axle-mounted brackets allowing for ¾” increments and fine-tuning via the coilover shocks.
$799.95
/kit
Factory Shipped
$886.22
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Product Summary
Rear Position, 300 lbs. Spring Rate, Height Adjustable
- QA1's Heavy Duty Pro Rear Systems provide a seamless coilover conversion for vehicles with a 1700-2600 lbs. rear axle weight, including all necessary hardware and bracketry.
- The system offers 9” of ride height adjustability with axle-mounted brackets allowing for ¾” increments and fine-tuning via the coilover shocks.
- Single-adjustable Proma Star shocks deliver adjustable ride quality, letting users easily switch between comfort and performance settings.
- The kit is designed for easy weld-in installation, including all essential brackets and hardware for a straightforward process.
- 300lb/in. Spring for 3.00in. Axle Tube
Key Specs
| Position | Rear |
| Spring Rate | 300 lbs. |
| Shock Adjustability | Double Adjustable |
| Shock Type | Twin Tube |
| Shock Body Material | Aluminum |
Need To Know
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QA1 DS501-12300 Details
Product Overview QA1's Heavy Duty Pro Rear Systems are the perfect solution to add coilovers to your car or truck. Designed for any vehicle with a 1700-2600 lbs. rear axle weight, this kit includes all the necessary hardware and bracketry for a seamless installation. With double shear bracketry and increased spring rates, it ensures the strength and support you need for street and race applications. This simple weld-on kit features axle mount bracketry, upper shock mounts and tubing, and fully adjustable QA1 coilover shocks and springs. Ride Height Adjustability Our axle-mounted brackets offer ¾” increments of adjustment, and the coilover shock allows for fine-tuning. Combined, you will have a total of 9” of ride height adjustability, giving you full control for your desired stance. Single-Adjustable Coil-Overs QA1 single adjustable Proma Star shocks deliver exceptional ride quality and performance. With the simple turn of a dial, you can effortlessly switch between a comfortable cruise and a more aggressive feel, making them ideal for daily driving or twisty backroads. Easy, Weld-In Installation Each kit comes complete with the essential brackets, tabs, and hardware, making it a simple weld-on solution to get the job done efficiently without excess fabrication or trips to the parts store. Best In-Class Lifetime Warranty Register at QA1.net/warranty for lifetime coverage of your QA1 shocks. Made in the USA QA1’s Heavy Duty Pro-Rear Systems is proudly made in Lakeville, Minnesota. Fitment Notes Welding required Designed for 3.00” axle tubes Included tubular upper shock mount dimensions are 1-5/8” diameter x .095 wall, 40” long Requires use of QA1 spanner wrench T114W or T115W
Guides & Documents
QA1 DS501-12300 Specifications
QA1 DS501-12300 Specifications
| KEY SPECS | |
|---|---|
| MFG. Part # | DS501-12300 |
| Brand | QA1 |
| Position | Rear |
| Spring Rate | 300 lbs. |
| Shock Adjustability | Double Adjustable |
| Shock Type | Twin Tube |
| Shock Body Material | Aluminum |
| Upper Shock Mount | Eyelet |
| Lower Shock Mount | Eyelet |
| Height Adjustable | Yes |
| Finish | Polished |
| GENERAL | |
| Compressed Length | 11.63" |
| Extended Length | 16.88" |
| Number of Valving Selections | 18 |
| Coilover Springs Included | Yes |
| Sold in Quantity | Kit |
| Hardware Included | Yes |
| Crossmember Included | No |
| Welding Required | Yes |
| Gas Charged | No |
| Spring Finish | Powder Coated |
| Notes | Designed for 3.00 axle tubes. Included tubular upper shock mount dimensions are 1-5/8 diameter x .095 wall, 40 long. Requires use of QA1 spanner wrench T114W or T115W. |
| GTIN Code | 806990169990 |
| Adjustable Valving | Yes |
| Adjustable Mounting Bracket Included | Yes |
| Lower Mount | Bearing |
| Upper Mount | Bearing |
| Shocks Included | Yes |
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