The QA1 Stocker Star double-adjustable shock is a stock-mount, lightweight billet aluminum smooth body shock for the rear of 1964 to 1973 Mustangs and other Ford and Mercury applications. Double-adjustable valving tunes ride quality for street and performance use, and the stock-mount design bolts in with no cutting or welding. This shock has a compressed height of 11-1/2in and an extended height of 17in with a stud / stud mounting setup. 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, stock mount
- Body: Lightweight billet aluminum
- Placement: Vehicle rear
- Mounting: Stud / Stud
- Compressed height: 11-1/2in
- Extended height: 17in
- Made in the USA, dyno tested and serialized, rebuildable
- Part number: TD601
Vehicle Applications:
- 1966 Ford Fairlane
- 1967 Ford Fairlane
- 1968 Ford Fairlane
- 1969 Ford Fairlane
- 1970 Ford Fairlane
- 1960 Ford Falcon
- 1961 Ford Falcon
- 1962 Ford Falcon
- 1963 Ford Falcon
- 1964 Ford Falcon
- 1965 Ford Falcon
- 1966 Ford Falcon
- 1967 Ford Falcon
- 1968 Ford Falcon
- 1969 Ford Falcon
- 1970 Ford Falcon
- 1964 Ford Mustang
- 1965 Ford Mustang
- 1966 Ford Mustang
- 1967 Ford Mustang
- 1968 Ford Mustang
- 1969 Ford Mustang
- 1970 Ford Mustang
- 1971 Ford Mustang
- 1972 Ford Mustang
- 1973 Ford Mustang
- 1968 Ford Torino
- 1969 Ford Torino
- 1970 Ford Torino
- 1971 Ford Torino
- 1960 Mercury Comet
- 1961 Mercury Comet
- 1962 Mercury Comet
- 1963 Mercury Comet
- 1964 Mercury Comet
- 1965 Mercury Comet
- 1966 Mercury Comet
- 1967 Mercury Comet
- 1968 Mercury Comet
- 1969 Mercury Comet
- 1967 Mercury Cougar
- 1968 Mercury Cougar
- 1969 Mercury Cougar
- 1970 Mercury Cougar
- 1971 Mercury Cougar
- 1972 Mercury Cougar
- 1973 Mercury Cougar
- 1968 Mercury Cyclone
- 1969 Mercury Cyclone
- 1970 Mercury Cyclone
- 1971 Mercury Cyclone
FAQ
What vehicles does this QA1 Stocker Star shock fit?
It is a stock-mount replacement for the rear of 1964 to 1973 Mustangs and other Ford and Mercury applications. The full year, make, and model coverage is listed in the vehicle applications section.
Is it a bolt-in installation?
Yes. It is a direct stock-mount shock that bolts in with no cutting or welding needed.
Is this shock adjustable?
It is double adjustable, allowing independent tuning of ride quality for street and performance use.
What is it made of?
It is a lightweight billet aluminum smooth body shock, 100 percent dyno tested and serialized, and rebuildable by QA1 or an authorized service center.
What are the compressed and extended lengths?
This TD601 shock has a compressed height of 11-1/2in and an extended height of 17in with a stud / stud setup.

