Serpent 51T Differential Pulley for SRX2 Gen3 Off-Road and On-Road Tune  [SER500731]

Serpent SER500731 Differential Pully Balldiff 51T SRX2 Gen3
Price:
AUD$7.80
Brand:
Serpent
Model:
SER500731
Condition:
Brand New
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Race-focused pulley for SRX2 Gen3 drivetrains

The Serpent 51T Differential Pulley is a practical upgrade for SRX2 Gen3 cars that need consistent power delivery. Produced by Serpent, this pulley helps smooth torque flow so the car responds more predictably under throttle.

Core benefits of the 51T configuration

Targeted at the Spyder SRX2 Gen3, the 51-tooth profile provides fine-grain control over gearing choices to suit wet, dry or mixed circuits. Its rugged construction supports regular track use and steady performance over time.

Using the 51T to refine setup

Installing the 51T is a tuning step for racers who want to tweak acceleration versus top speed. It is useful during setup changes and routine maintenance when you want repeatable drivetrain behaviour.

Changing pulley size affects overall gearing, so inspect pinion mesh after installation and adjust shims or pinion position to maintain correct engagement.
The pulley is built for regular use, but like all drivetrain parts it should be checked for wear and replaced when tooth profile or bore wear is evident.
Yes. The pulley changes gearing separately from diff damping, so pairing it with different diff oils will affect traction and throttle response independently.
Ensure bearings are seated and the pulley bore is clean before mounting. Correct gear mesh and secure fasteners will minimise unwanted noise.

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