KraftWerks Factory Pulley 90mm Cogged

2017–2020 Toyota 86 / 2013–2020 Subaru BRZ / 2013–2016 Scion FR-S

159-99-900C

Overview:

The KraftWerks Factory Pulley 90mm Cogged is a precision-engineered component designed to enhance the performance of your Toyota 86, Subaru BRZ, or Scion FR-S equipped with a KraftWerks supercharger system. This pulley is a critical part of the supercharger drive system, enabling optimized boost delivery and improved engine response.

Ideal for enthusiasts seeking to maximize power gains and throttle response, this pulley supports the revolutionary Rotrex traction-drive supercharger technology found in KraftWerks kits. Whether you drive on the street or the track, this pulley helps unlock the full potential of your forced induction setup.

Key Features:

This 90mm cogged pulley offers several advantages that contribute to the overall performance and reliability of your supercharger system:

• Specifically designed for KraftWerks supercharger kits on Toyota 86 (2017–2020), Subaru BRZ (2013–2020), and Scion FR-S (2013–2016).
• Cogged design ensures positive engagement with the drive belt, reducing slippage and improving power transfer efficiency.
• Precision manufacturing for consistent fitment and durability under high RPM conditions.
• Supports the Rotrex supercharger’s ability to operate at shaft speeds exceeding 200,000 rpm.
• Contributes to quieter, cooler, and more efficient supercharger operation compared to traditional forced induction methods.
• Helps deliver broad and usable power gains across the entire powerband, enhancing both street drivability and track performance.
• Lightweight construction reduces rotational mass, aiding in quicker spool-up and improved transient response.

Construction & Design:

The 90mm cogged pulley is crafted with high-quality materials to withstand the demanding conditions of forced induction applications. Its cogged profile is engineered to maintain precise belt alignment and tension, minimizing wear and maximizing reliability. This design complements the patented Rotrex traction-drive supercharger, which is known for its compact size, reduced noise, and efficient power delivery.

Manufactured with tight tolerances at KraftWerks’ Norco, California facility, this pulley ensures seamless integration with your existing supercharger kit, maintaining the system’s overall integrity and performance.

Installation & Fitment:

This pulley is a direct fit replacement or upgrade for the factory pulley included in KraftWerks supercharger kits for the specified vehicles. Installation is straightforward, utilizing existing mounting points and hardware from the supercharger assembly.

• Designed for 2017–2020 Toyota 86, 2013–2020 Subaru BRZ, and 2013–2016 Scion FR-S models equipped with KraftWerks superchargers.
• No modifications, cutting, or drilling required for installation.
• Compatible with factory belt routing and tensioning systems.

What's Included:

• One KraftWerks 90mm cogged factory pulley
• Installation instructions (if applicable)

Ideal For:

This pulley is perfect for performance enthusiasts and daily drivers who have installed or plan to install a KraftWerks supercharger system on their Toyota 86, Subaru BRZ, or Scion FR-S. It is especially suited for those looking to improve throttle response, increase boost efficiency, and achieve consistent power delivery without compromising reliability.

KraftWerks is a manufacturer specializing in high-performance supercharger systems, utilizing Rotrex's patented traction-drive technology. Their products are designed for enthusiasts seeking significant power gains in sport compact vehicles, offering a linear power curve and improved throttle response without the lag associated with turbochargers. These supercharger kits are tailored for applications where enhanced engine performance is desired, such as in racing or high-performance street builds.