BC Racing ZR Series Coilover Kit Subaru WRX / STI 2015-2021 | F-25-ZR vendor_ISR Performance Monitors left and right exhaust

Monitors left and right exhaust banks simultaneously

Subaru Impreza STi 2004 & Up+

Constructed from H&R’s proprietary 54SiCr6 spring steel

It is designed with performance in mind and has been carefully created and tested to maximize this on the GT-R

BC Racing ZR Series Coilover Kit Subaru WRX / STI 2015-2021 | F-25-ZR vendor_ISR Performance Monitors left and right exhaustBC Racing ZR Series Coilovers bring a 3 way adjustable track ready coilover system to racers from novice to pro for an affordable price that has never been seen in the industry. Each ZR Series Coilover system offers independent low speed high speed compression adjustments and separate rebound adjustment. They also offer full height adjustability independent of piston travel and spring preload. For cars with McPherson struts the ZR Series comes