Built for:
- CT4-V
- CT5-V
- CT4-V Blackwing
- CT5-V Blackwing
Tapout Tuning L.L.C.
Specializes in custom tuning for the Cadillac LF4 twin turbo V6 engine which many found too difficult to tune.
Key Features
- Designed to increase performance while preserving an OE-like ride.
- Allows you to lower the vehicle without decreasing the lifespan of the factory dampers
- Sold as a set of 4 springs