BC Racing ZR-Series Coilovers (I-02-ZR) 2531 50in Inside Diameter Coilover Springs

50in Inside Diameter Coilover Springs Available in a Full Range of Rates and Lengths

lightweight replacement that enhances vehicle style and performance under demanding conditions

The interior of the hoses are smooth and lined with a fluorosilicone material designed to resist oil degradation and extend component life

Most adjustability available on the market

SILVERADO/SIERRA 99-07

BC Racing ZR-Series Coilovers (I-02-ZR) 2531 50in Inside Diameter Coilover SpringsBC Racing's ZR Series models bring a 3 way adjustable track ready coilover system to racers at an affordable price that's never been seen in the industry. Each ZR series coilover system offers independent low speed high speed compression damping adjustments and separate rebound adjustment. They also offer full height adjustability independant of piston travel and spring preload. On cars with McPherson struts the ZR Series comes with an inverted mono