The QA1 Stocker Star single adjustable smooth body shock, part number TS303, is a stock-mount billet aluminum shock absorber. Single adjustable valving tunes ride firmness through a simple knob adjustment. It is built as a front fitment for 1974-1978 Ford Mustang II. The lightweight smooth body housing is made in the USA, installs in the stock location, and is 100 percent dyno tested, serialized, and rebuildable through QA1 authorized service centers.
Specifications:
- Series: QA1 Stocker Star smooth body shock
- Adjustment: Single Adjustable
- Length (collapsed / extended): 7.63 in / 11 in
- Mounting (top / bottom): stud / eyelet with 7/16 in sleeve
- Body material: billet aluminum, smooth body
- Position: Front
- Origin: made in the USA
- Testing: 100 percent dyno tested and serialized
- Service: rebuildable by QA1 authorized service centers
- Part number: TS303
Vehicle Applications:
- 1974 Ford Mustang II
- 1975 Ford Mustang II
- 1976 Ford Mustang II
- 1977 Ford Mustang II
- 1978 Ford Mustang II
FAQ
What vehicles does the QA1 TS303 shock fit?
It fits 1974-1978 Ford Mustang II applications, including 1974 Ford Mustang II, 1975 Ford Mustang II, 1976 Ford Mustang II, 1977 Ford Mustang II, 1978 Ford Mustang II. The full fitment list is shown above.
Is the QA1 TS303 shock adjustable?
Single adjustable valving tunes ride firmness through a simple knob adjustment.
What are the collapsed and extended lengths?
The TS303 measures 7.63 in collapsed and 11 in extended, with stud / eyelet mounting ends.
Is this shock made in the USA and rebuildable?
Yes. It is a lightweight billet aluminum smooth body shock made in the USA, 100 percent dyno tested and serialized, and rebuildable through QA1 authorized service centers.
Is the TS303 a front or rear shock?
It is designed for the front of the listed 1974-1978 Ford Mustang II applications.

