GKTECH S/R CHASSIS DIFF BRACE FOR 350Z/370Z DIFF CONVERSIONNOTE: This item is specially ordered from GKTECH Australia and usually takes around 3 4 weeks to arrive. The GKTECH S R chassis diff brace for 350Z and 370Z diff conversions provides additional support to the differential, helping reduce wheel hop under hard driving conditions. The factory diff cover uses a single bush and stud, which is known to wear prematurely and allow excessive movement. In some cases, this can cause the rear stud to break from