BC Racing ZR Series Coilover Kit Subaru WRX 2002-2007 / STI 2004 | F-02-ZR Wheel Offset_12mm these pistons are now available

these pistons are now available to the public

5lbs over OEM resulting in faster revs

The system is a direct bolt on and requires zero modification for installation

The hub is double sprung with spring cover relieves for flexibility & heat treated for strength and durability

This clutch is not recommended for WRXs that see any street driving

BC Racing ZR Series Coilover Kit Subaru WRX 2002-2007 / STI 2004 | F-02-ZR Wheel Offset_12mm these pistons are now availableBC 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