Upgrade your HPI car/truck with this high-quality cam type servo saver and throttle return spring set. Made in Taiwan, this set is compatible with 1:6, 1:8, and 1:10 scale models and is designed for use with both electric and nitro & glow fuel. The black color matches seamlessly with your vehicle's existing parts. This set is perfect for RC enthusiasts aged 8 and up, and includes aspects such as brand, type, and compatible fuel type. Ensure precise steering and throttle control with the HPI 87197 CAM TYPE SERVO SAVER/THROTTLE RETURN SPRING SET RC CAR/TRUCK.