This QA1 circle track coil-over kit includes the components to convert one shock to a coil-over setup. Depending on the application the kit contains some or all of the following: sleeve, spring cap, spring seat adjuster nut, wire ties, spring cap retainer pin, jam nut, and thrust bearing. It lets a coil spring be mounted over a QA1 shock for adjustable ride height on circle track and performance applications.
Specifications:
- Type: coil-over sleeve kit
- For QA1 51 Series 7 in. shocks
- Spring: 2.5 in. inner diameter
- Spring lengths: 6 in. and 7 in.
- Large steel body, 48 mm
- Includes components for one shock
- Part number: CK5105
FAQ
What is included in the QA1 CK5105 coil-over kit?
The kit includes the parts needed to convert one shock to a coil-over, which depending on the application may include a sleeve, spring cap, spring seat adjuster nut, wire ties, spring cap retainer pin, jam nut, and thrust bearing.
What spring does this kit use?
This kit is built for a 2.5 in. inner diameter coil spring. It is designed for QA1 51 Series 7 in. shocks.
What is this coil-over kit for?
It is a large steel body coil-over sleeve kit designed for circle track and performance applications, allowing a coil spring to be mounted over a QA1 shock with adjustable ride height.
Does one kit cover a full car?
No. Each kit includes the components for one shock, so four kits are needed to outfit all four corners of a car.

