SPM Spring Kit
SP Motorsports Spring Kits for GT4&Spyder
This spring upgrade kit for GT4’s increases spring rates reducing body roll, and improving chassis response.
Our spring package is specifically tailored to work with OE PASM dampers without any additional modifications. Fully track tested & proven with direct driver feedback & data. Direct bolt-on solution for all GT4. The package includes 4 main springs, 4 helper springs, spring separators, rear spring adapters.
GT4 Spring Kit Includes:
2 Front main springs
2 Rear main springs
4 helper springs with adapters