Tein Street Basis Z Coilovers WRX / STI (2015-2018) BMW transitional air flow equals less

transitional air flow equals less turbulence

The 6-pad spring-centered race disc features a spring-center to properly damp torsional vibrations and can resist failure under harsh conditions

PERRIN High-Flow Fuel Rails incorporate large inside diameter channels for maximum fuel flow

With 32 way adjustable dampening that will operate smoothly on all road surfaces

50 or M12xP1

Tein Street Basis Z Coilovers WRX / STI (2015-2018) BMW transitional air flow equals lessThe Tein Street Basis Z Coilovers for the 2015+ Subaru WRX and STI are some the best cost effective and quality set of coil overs on the market. This is a great suspension system for those who want something more aggressive than lowering springs. The Street Basis coil overs supersede Tein's Basic coil over design made with improvements in design and performance. These coil overs feature steel construction with twin tube internal components. These