For racers and weekend tuners, the Serpent 903596 Pulley Adaptor trims rotating weight to support quicker rev response. Its 21T configuration is produced to maintain smooth engagement and reduce unnecessary drivetrain drag in common Serpent setups.
By cutting rotational inertia, the pulley adaptor helps the vehicle get on the power sooner and improves overall driveline efficiency. The unit is built to withstand repeated on-track use when installed and maintained correctly.
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