Amazon.com: GPM RC Cars Upgrades Imported Medium Carbon Steel Completed Front and Rear Suspension Pins for 1/5 X-Maxx 6S Monster Truck (77076-4) & 1/5 X-Maxx 8S Monster Truck (77086-4) & 1/6 XRT (
Amazon.com: GPM Upgrades Aluminum 6061-T6 Rear Gear Box Lower Tray for 1/27 Mini Z AWD RC Car (Gray) : Toys & Games
Amazon.com: GPM Rc Cars Upgrades Medium Carbon Steel Front+Rear Center Driveshafts for 1/18 4WD TRX4M Ford Bronco (97074-1)/ TRX4M Land Rover Defender (97054-1) : Toys & Games