CTS Turbo B8/B8.5 Supercharger Pulley Replacement Belt

The CTS Turbo replacement belt is purpose-built for B8 and B8.5 Audi S4 models running upgraded supercharger pulleys. Designed to maintain correct tension and engagement with aftermarket pulley configurations, this belt ensures reliable power transfer under increased loads. Essential when installing smaller diameter pulleys, it prevents slippage and maintains consistent boost delivery. Manufactured to precise specifications for the S4's 3.0 TFSI supercharged V6, this belt provides the durability required for performance-oriented applications while maintaining proper fitment across 2010-2016 S4 platforms.