Track Upgrade Serpent 500830 - 21T Midshaft Pulley for SRX4 Gen3  [SER500830]

Upgrade the SRX4 Gen3 Drivetrain with a Focused Pulley Swap

If you want to sharpen drivetrain response, the Serpent 21T Midshaft Pulley is a key upgrade. Made for the SRX4 Gen3, this pulley helps deliver smoother power transfer under load, improving control during aggressive laps and high speed runs. It is aimed at hobbyists who demand reliable performance on race day.

Precision Tooth Count for Consistent Delivery

The Serpent 21T Midshaft Pulley uses a precise tooth profile to reduce slippage and maintain efficient power flow. That consistency helps your car feel more predictable through long runs, and the sturdy build stands up to frequent track use.

Direct Fitment to SRX4 Gen3 Chassis

Built to fit the SRX4 Gen3 without complex modification, this pulley installs cleanly into the existing midshaft arrangement. The design keeps installation simple so you can return the car to the track quickly after a quick parts swap.