Perrin Performance Water Pump Pulley

Part #: PSP-ENG-111BK

Overview

The Perrin Lightweight Water Pump Pulley is a high-quality upgrade designed specifically for the 2015-2021 Subaru WRX. Crafted to replace the stock water pump pulley, this component is engineered to reduce rotational mass, which can contribute to improved engine response and efficiency. Made from durable materials, it offers a reliable performance upgrade for enthusiasts seeking to optimize their vehicle's cooling system and overall responsiveness. Whether you're building a performance-oriented daily driver or a track-ready machine, this pulley helps support your vehicle’s cooling and engine performance while maintaining factory-like durability and fitment. This lightweight pulley is ideal for drivers who want to enhance their vehicle’s response and reduce parasitic losses associated with heavier stock pulleys. Its sleek black finish adds a subtle aesthetic touch to your engine bay, complementing other performance modifications and maintaining a clean, aggressive look.

Key Features

This Perrin water pump pulley features a precision-machined design that ensures smooth operation and consistent belt alignment. Constructed from high-strength aluminum, it offers a significant weight reduction over the stock component, helping to decrease rotational inertia. The pulley’s black anodized finish provides corrosion resistance and a sleek appearance. Designed with exacting tolerances, it ensures reliable belt engagement and long-lasting performance. This upgrade supports a more responsive engine feel and can contribute to improved throttle response during spirited driving or track sessions.

• Constructed from lightweight, high-strength aluminum
• Black anodized finish for corrosion resistance and aesthetics
• Precision-machined for optimal belt alignment
• Reduces rotational mass to support engine response
• Designed specifically for 2015-2021 Subaru WRX
• Supports cooling system efficiency and engine performance