Perrin Performance Lightweight Crank Pulley

Part #: PSP-ENG-104BL

Overview

The Perrin Lightweight Crank Pulley is an essential upgrade designed for Subaru WRX owners seeking to optimize engine performance and reliability. Crafted from high-quality materials, this pulley replaces the factory component to reduce rotational mass, resulting in more responsive engine behavior and smoother acceleration. Its lightweight construction helps improve throttle response and can contribute to a more engaging driving experience. Ideal for enthusiasts looking to enhance their vehicle’s performance without compromising durability, this pulley is engineered to support your car’s demanding driving conditions while maintaining long-term reliability.

Key Features

This crank pulley features a precision-machined aluminum construction that offers a perfect balance of strength and weight reduction. Its design minimizes parasitic drag on the engine, allowing for quicker engine response and improved overall efficiency. The vibrant blue anodized finish not only provides corrosion resistance but also adds a sporty aesthetic to your engine bay. The pulley is engineered to fit seamlessly with your Subaru WRX’s existing components, ensuring straightforward installation and consistent performance. Its lightweight design helps reduce stress on the crankshaft, potentially extending the lifespan of your engine’s internal parts. The durable construction ensures reliable operation under high-performance conditions, making it a practical upgrade for daily driving or spirited runs.

Construction & Design

Manufactured from high-grade aluminum, this pulley is designed for maximum weight savings and durability. The anodized blue coating enhances corrosion resistance and aesthetic appeal, ensuring it maintains its appearance over time. The precise machining guarantees a perfect fit and smooth operation, supporting your engine’s rotational dynamics.

Driving Feel & Feedback

By reducing rotational mass, this lightweight pulley helps improve throttle response and engine responsiveness. Drivers may notice a more immediate acceleration feel and a smoother power delivery, especially during high-rev conditions. The upgrade supports a more engaging driving experience without altering the vehicle’s core performance characteristics.

Installation & Fitment

The Perrin Lightweight Crank Pulley is designed as a direct bolt-on replacement for the stock pulley on 2019-2021 Subaru WRX models. Installation typically requires basic hand tools and can be completed in under an hour. Proper torque specifications should be followed to ensure secure fitment and optimal performance.

What’s Included

The package includes the lightweight aluminum crank pulley finished in blue anodization, ready for installation. No additional hardware or accessories are required.