BC Racing ZR Series Coilover Kit Subaru WRX / STI 2015-2021 | F-25-ZR vendor_ISR Performance Constructed from H&R’s proprietary 54SiCr6

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

Most oil catch cans for street applications are too big since there isn't much blow by coming out from the motor

Subaru Impreza STi 2004 & Up+

this complete kit provides accurate AFR data for tuning

BC Racing ZR Series Coilover Kit Subaru WRX / STI 2015-2021 | F-25-ZR vendor_ISR Performance Constructed from H&R’s proprietary 54SiCr6BC 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