Upgrade Gearbox Set For Nitro 3 RC Car, Pro Grade Transmission Module Compatible With HPI RS4 Nitro RTR3 EVO, Durable Metal Gears And Bearings, Easy Drop In Replacement, Smooth Shifting, Long Lasting Performance

Nitro 3 RC Gearbox Upgrade: Pro Transmission Module
✔️ Drop-in gearbox upgrade with durable metal gears and bearings (1 kit)

This high performance gearbox set is designed for the Nitro RS4 RTR3 EVO family, delivering a direct drop-in replacement that improves gear engagement and drivetrain durability. Built to withstand nitro power and rough terrain, it provides smoother shifting and longer service life.

✅ Compatibility: Nitro RS4 RTR3 EVO
✅ Material: Durable metal gears and bearings
✅ Part number: 85036
✅ Type: Gearbox set for Nitro 3 RC car upgrade
✅ Installation: Drop-in replacement for easy fitting
✅ Finish: Black
✅ Performance: Smooth shifting and long lasting

💡 What is a gearbox upgrade used for in nitro RC cars?

- Enhances gear engagement and drivetrain durability under high load - Improves shifting smoothness and reduces wear on nitro engines - Provides a direct, no hassle installation for quick maintenance - Helps extend the life of the drivetrain during demanding driving sessions