Perrin Performance Lightweight Crank Pulley

Part #: PSP-ENG-104RD

Overview

The Perrin Lightweight Crank Pulley is a high-performance upgrade designed specifically for the 2019-2021 Subaru WRX. Crafted from durable aluminum, this pulley replaces the stock component to reduce rotational mass, helping to improve engine response and throttle feel. It is ideal for enthusiasts seeking a more immediate power delivery and enhanced engine responsiveness, whether for daily driving or spirited performance. The lightweight design also contributes to reduced parasitic losses, supporting overall engine efficiency and durability. Constructed with precision-machined surfaces and a vibrant red anodized finish, this pulley not only enhances your engine bay’s aesthetic but also ensures long-lasting corrosion resistance. Its design maintains proper belt alignment and tension, ensuring reliable operation under demanding conditions. This upgrade is suitable for those looking to optimize their vehicle’s performance without compromising reliability or drivability.

Key Features

This lightweight crank pulley offers several key benefits:

• Made from high-quality aluminum for strength and weight reduction
• Red anodized finish for corrosion resistance and visual appeal
• Reduces rotational mass to improve throttle response and acceleration
• Designed for precise belt alignment and tension
• Supports engine efficiency and longevity
• Easy bolt-on installation with no modifications required
• Compatible with stock and aftermarket accessories

Construction & Design

The pulley is machined from aircraft-grade aluminum, ensuring a lightweight yet durable component. Its anodized red coating provides additional corrosion protection, maintaining its appearance over time. The precise manufacturing process guarantees a perfect fit and smooth operation, minimizing vibrations and belt wear.

Driving Feel & Feedback

By reducing the inertia of the crank pulley, this upgrade helps improve engine response and throttle feel, resulting in a more engaging driving experience. The lighter pulley allows the engine to rev more freely, providing quicker acceleration and a more connected feel during spirited driving.

Installation & Fitment

Installation is straightforward and requires no special tools beyond standard hand tools. The pulley is designed to bolt directly onto the crankshaft of compatible Subaru WRX models, ensuring a secure fit and reliable performance.

What’s Included

The package includes the lightweight crank pulley and necessary hardware for installation. No additional components are required. This Perrin Lightweight Crank Pulley is an excellent upgrade for Subaru WRX owners seeking to enhance engine responsiveness, improve aesthetics, and support overall vehicle performance with a reliable, high-quality component.