The ATI nissan patrol drop boxes suit vehicles with 3-5 inches of lift and are designed to drop the rear of the radius arms when such a lift is performed. By dropping the rear of the radius arms castor angles will be corrected and the drivability of the vehicle will be greatly improved. Dropping the rear of the radius arms will also allowing the suspension to work bind free within its full range of motion. Our drop boxes are a completely bolt in design with no cutting or grinding required. They will space the gearbox crossmember down 8mm improving pinion angles and also push the front diff forward by 10mm allowing clearance for larger tyres.