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Dial In Rear Damping Without a Full Coilover Swap
The QA1 TS513 is a Stocker Star series rear shock absorber with single adjustable valving, sized for an 11.625 inch compressed length and a 16.875 inch extended length. Built with an aluminum body and bushing mounts on both ends, it bolts into the factory-style rear shock location on vehicles matching this length range, giving you adjustable rebound control without moving to a full coilover setup.
Key Features
- Single adjustable valving for tunable rebound control.
- Aluminum shock body for reduced weight versus a comparable steel shock.
- Bushing upper and lower mounts.
- 11.625 inch compressed length, 16.875 inch extended length.
- Rear vehicle position.
Fitment
| Application | Requirements |
|---|---|
| Universal rear-position fit | Requires a rear shock mount matching an 11.625 inch compressed / 16.875 inch extended length with bushing upper and lower mounts |
QA1 recommends confirming this length against your vehicle's stock ride height measurement before ordering, especially if the suspension has been modified.
Specifications
| Detail | Value |
|---|---|
| Brand | QA1 |
| Series | Stocker Star |
| Valving | Single adjustable |
| Vehicle Position | Rear |
| Compressed Length | 11.625 inch |
| Extended Length | 16.875 inch |
| Upper Mount | Bushing |
| Lower Mount | Bushing |
| Body Material | Aluminum |
What's Included
- One QA1 TS513 rear shock absorber
About QA1
QA1 designs and manufactures performance suspension components for muscle cars, classic trucks, and race cars, with the Stocker Star series built as a stock-mount aluminum shock line covering common compressed and extended length ranges across multiple applications.
FAQ
Is this shock adjustable?
Yes, it has single adjustable valving for rebound control.
What is the compressed and extended length of this shock?
11.625 inches compressed and 16.875 inches extended.
What mounting style does this shock use?
Bushing mounts on both the upper and lower ends.
Is this shock for the front or rear of the vehicle?
Rear.
What is the shock body made from?
Aluminum.
Is this shock sold individually or as a pair?
Shocks are sold individually. Order two for both sides of the rear axle.
Will this fit my vehicle if I've modified my suspension?
If your suspension has been modified, confirm the compressed and extended length against your new ride height before ordering.
Can this be used with an existing coil spring setup?
Yes, Stocker Star shocks are designed to work with the factory-style spring and shock combination rather than requiring a coilover conversion.
Installation Instructions
- Raise and safely support the vehicle, then remove the wheel for access to the rear shock.
- Support the rear axle or control arm to prevent it from dropping fully when the factory shock is removed.
- Remove the factory rear shock from the upper and lower mounting points.
- Confirm the TS513's compressed and extended length matches your measured mounting points before installing.
- Install the TS513 at the upper and lower bushing mounts, using the correct bolts for your application.
- Torque all mounting hardware to the vehicle manufacturer's specification, then reinstall the wheel and lower the vehicle.
QA1
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