PSR's Nissan Patrol GQ-GU Chassis Bracing Wagon Rear External kit is a complete brace system for the outside of the chassis rear of the mid body mount. Designed to overlap and greatly increase the strength of the chassis at the common fatigue point, the joint on the inside of the chassis just in front of the rear upper control arm mount. The kit consists of 6 plates precision cut from 4mm 350MPA plate.