The GPM MGO4567 upgrade delivers a robust Aluminum 7075 replacement set for ARRMA GORGON MEGA 550 BRUSHED MONSTER TRUCKs, supplying front upper and lower arms, rear suspension arms and rear link rods. These parts are specified for enhanced wear resistance and corrosion protection while the multi hole layout enables fine adjustment of damper angles to refine chassis balance and traction. The kit is suited to hobbyists who prioritise reliable hardware and straightforward tuning options.