Cusco Light Weight Aluminum Pulley Set

2012–2021 Subaru BRZ / Scion FR-S / Toyota 86 2.0L

Part #: 965 733 A

Overview

The Cusco Light Weight Aluminum Pulley Set is designed to enhance the performance and efficiency of your Subaru BRZ, Scion FR-S, or Toyota 86. Crafted from high-quality aluminum, this pulley kit replaces the stock components to reduce rotational mass, resulting in improved engine response and acceleration. Ideal for enthusiasts seeking to optimize their vehicle's power delivery and drivetrain performance, this set is a straightforward upgrade that delivers noticeable benefits.

By reducing the weight of critical pulleys such as the crankshaft, water pump, and alternator, you'll experience less stress on the engine components and a more responsive throttle feel. This lightweight setup is perfect for street-driven cars, spirited driving, and track days where every ounce of performance counts. Cusco's engineering ensures a precise fit and durable construction, making this pulley set a reliable addition to your vehicle's performance modifications.

Key Features

The Cusco Light Weight Aluminum Pulley Set incorporates several innovative features designed to improve your vehicle's performance and longevity:

• Constructed from high-grade aluminum for a lightweight yet durable solution that reduces rotational inertia.
• Significantly decreases the weight of stock pulleys, with the crank pulley weighing only 790 grams (1.74 lbs) compared to the stock 2.3 kg (5.07 lbs), resulting in less stress on the engine and quicker acceleration.
• Includes three essential pulleys: crankshaft, water pump, and alternator, all engineered for a perfect fit and seamless operation.
• Designed with Cusco's signature blue anodized finish, adding a sporty aesthetic to your engine bay.
• Manufactured with precision to ensure reliable belt alignment and long-term performance.
• Helps support improved throttle response and engine efficiency by reducing parasitic losses caused by heavier stock pulleys.
• Suitable for use in street, spirited driving, and track environments where performance gains are desired without sacrificing reliability.

Construction & Design

The Cusco pulley set is crafted from high-quality aluminum, chosen for its excellent strength-to-weight ratio and resistance to corrosion. Each pulley is CNC-machined for precise dimensions and smooth surfaces, ensuring optimal belt contact and minimal slippage. The lightweight design not only reduces rotational mass but also helps decrease engine load, which can contribute to improved fuel economy and reduced wear on engine components.

The anodized blue finish provides corrosion resistance and a distinctive look that complements performance builds. The set's design emphasizes durability, with each pulley engineered to withstand the rigors of daily driving and high-performance use. The installation process is straightforward, with all components designed to bolt directly onto the factory mounting points without modifications.

Installation & Fitment

The Cusco Light Weight Aluminum Pulley Set is a direct bolt-on upgrade that requires no cutting, drilling, or complex modifications. Installation typically involves removing the existing pulleys and replacing them with the lightweight versions using standard hand tools. Basic mechanical knowledge is recommended, but no special tuning or adjustments are necessary. The set is designed to fit perfectly on 2012–2021 Subaru BRZ, Scion FR-S, and Toyota 86 models equipped with 2.0L engines.

• Easy, bolt-on installation with common hand tools
• No cutting, drilling, or tuning required
• Seamless integration with factory belt system

What's Included

• Lightweight aluminum crankshaft pulley
• Lightweight aluminum water pump pulley
• Lightweight aluminum alternator pulley
• Installation hardware and instructions

Ideal For

• Performance enthusiasts looking to reduce engine stress and improve acceleration
• Street drivers seeking a reliable upgrade for better throttle response
• Track day participants aiming for optimized engine dynamics
• Owners who want a durable, high-quality pulley set with a sporty appearance