The QA1 Pro Coil System utilizes the Proma Star single adjustable coil-over shocks and springs, designed specifically for replacing the factory shocks and springs. This combination offers ride height adjustment and 12-position valving adjustment for performance not found in other kits. This coil over kit reduces front end weight by 10lbs and is a direct bolt in application.
The Pro Coil Over System includes:
- (2) Proma Star single adjustable high performance coil over shocks
- (2) Specially designed conical springs
Spanner Wrench- Spanner wrench tool is used to adjust vehicle height while shock stays mounted. This wrench is needed to make height adjustments.
Thrust Bearing Kit- Thrust bearing kit is designed to be placed between the spring and the spring seat attached to the shock. This makes for easier adjustments since the spring seat is rotating on a bearing. This kit is recommended for easy adjustments but is not needed to complete the installation.
Find your recommended spring rating – Make selection below
Most Drag Race Vehicles:
250lb. – Modified
300lb. – Stock
Most Small Block Vehicles:
350lb. – Cruise
400lb. – Sport Handling
450lb. – Autocross
Most Big Block Vehicles:
450lbs. – Cruise
500lbs. – Sport Handling
550lbs. – Autocross