The Serpent 903854 Competition Belt is a straightforward durability upgrade for serious S9XX owners. Constructed from resilient MBL material, it provides reliable life span and uniform power transfer so you get consistent handling lap after lap.
The Serpent 903854 belt is notable for its robust construction and exact fit with S9XX parts. Using MBL helps minimise stretching and wear, delivering predictable drivetrain feel that suits tuning and race day setups.
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