The QA1 63 Series is a sealed, non-rebuildable version of the 62 Series. It is most commonly used in coil-over applications on both dirt and asphalt tracks. The twin tube design gives strong feel and grip across all track conditions and performs especially well when grip is low. Built as a spec shock for specific tracks or series, the 63 Series suits late model and modified cars.
Specifications:
- Series: 63 (sealed version of the 62 Series)
- Type: Twin tube coil-over shock
- Construction: Sealed, non-rebuildable
- Body: Large body, aluminum threaded
- Material: Aluminum
- Compressed height: 13.38 in
- Extended height: 20.30 in
- Mounting: Eyelet top and eyelet bottom
- Valving: 5-400
- Application: Dirt and asphalt circle track
- Part number: 6375-400
FAQ
What is the QA1 63 Series shock?
The 63 Series is a sealed, non-rebuildable version of the QA1 62 Series. It is an aluminum threaded large body twin tube coil-over shock used on both dirt and asphalt circle track cars.
Can the 63 Series shock be rebuilt?
No. The 63 Series is a sealed shock and is not rebuildable.
What are the mounting ends on part 6375-400?
Part 6375-400 uses an eyelet top and eyelet bottom mount.
What is the valving on part 6375-400?
Part 6375-400 has a valving of 5-400.

