Serpent 903812 Lightweight 2-Speed Pulley Adapter for Viper 990 GP  [SER903812]

Serpent SER903812 Pullyadaptor lightweigt 2-speed shaft S989
Price:
NZD$27.19
Brand:
Serpent
Model:
SER903812
Condition:
Brand New
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Refine Gear Changes on Your Viper 990 GP with a Light Pulley

The Serpent 903812 Lightweight Pulley Adapter is engineered to refine the Viper 990 GP 2-speed shaft operation. It helps the gearbox deliver more consistent engagement and reduces the inertia on the drive system.

Why Fit the Serpent Pulley Adapter?

By focusing on trimming unnecessary mass while keeping rigidity, this pulley adapter supports quicker throttle response and steadier power delivery. Its compatibility with the Viper 990 GP ensures a tidy, bolt-in upgrade for racers and hobbyists alike.

Built for Track Tuning

Whether dialing in lap times or improving daily drivability, the Serpent 903812 Pulley Adapter gives a tangible feel for lighter rotating parts. The result is improved acceleration feel and more precise handling during corner exits.

Can I use this on other Serpent cars?

This adapter is specifically matched to the Viper 990 GP 2-speed shaft geometry so fit on other models is not guaranteed without modification.

What maintenance does the pulley need?

Regular checks for wear and secure fastenings are advised; clean debris after dusty runs and inspect for any signs of fatigue.

Will this affect gearing ratios?

The adapter changes rotating mass rather than gear ratio, so it alters feel and acceleration without changing the gearbox ratios.

Any tips for installation on the Viper 990 GP?

Follow the Viper 990 GP service guide, use correct fastener torque, and confirm shaft alignment during reassembly for best results.

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