The QA1 Stocker Star double-adjustable shock is a lightweight billet aluminum smooth body shock that offers adjustable ride quality and high performance handling at a value price. Double-adjustable valving lets the ride be dialed in for street or performance use, and the smooth body design bolts in easily. This shock has a compressed height of 11in and an extended height of 16-3/8in with poly eyelet mounting at both ends. It is made in the USA, 100 percent dyno tested and serialized, and rebuildable by QA1 or an authorized service center.
Specifications:
- Series: QA1 Stocker Star
- Type: Double-adjustable smooth body shock
- Body: Lightweight billet aluminum
- Mounting: Poly eyelet top and bottom
- Compressed height: 11in
- Extended height: 16-3/8in
- Made in the USA, dyno tested and serialized, rebuildable
- Part number: TD504
FAQ
Is the QA1 Stocker Star shock adjustable?
Yes. It is double adjustable, so compression and rebound firmness can be tuned for street or performance driving.
What is it made of?
It is a lightweight billet aluminum smooth body shock, 100 percent dyno tested and serialized.
Can this shock be rebuilt?
Yes. It is serviceable and rebuildable by the QA1 factory or a QA1 authorized service center.
What are the compressed and extended lengths?
This TD504 shock has a compressed height of 11in and an extended height of 16-3/8in with poly eyelet ends.
Is installation a bolt-in?
Yes. The smooth body design is a straightforward bolt-in with no cutting or welding required.

