GoolRC GX3370BLS 70KG Digital Servo IP67 Waterproof Steering Servo 180° Full Metal Body Stainless Steel Gear Brushless Motor Servo for 1/8 1/5 RC Car Crawler RC Boat Airplane Helicopter Robot - Walmart.com
INJORA 180 PRO Brushed 48T Purple Motor with Steel Pinion for 1/18 TRX * Iron City RC Hobbies
Amazon.com: OGRC 180 Brushed 53T Motor with 11T Stainless Steel Pinion for TRX4M 1/18 RC Crawler Car Upgrade : Automotive