This will give you maximum control to put the power down even at high speeds

Robinson Racing 7738 Gen3 Slipper Kit 38T Revo 3

Powerhobby 6 in 1 Hex / Mulit Driver Magnetic RC Tool Set Blue

King Headz KP-266 – 1

Sold as a set of two with factory fit and quality

Traxxas 4893 R Pulley Shaft: N4-Tec Big Rock 3S Parts This will give you maximumTraxxas 4893 R Pulley Shaft: N4 Tec This genuine Traxxas rear pulley shaft keeps the Nitro 4 Tec's belt drivetrain spinning true. A bent or worn shaft causes belt wear, vibration, and inconsistent handling. Machined to factory specifications, it installs as a direct replacement for the original rear pulley shaft, making it an easy fix during routine maintenance or after a hard crash. Genuine Traxxas replacement part 4893 Rear pulley shaft for the