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

see the notes at the bottom :) )

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

the extra thickness helps improve lasting durability and performance for the long term

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