Perrin Crank Pulley Blue 2019-2021 WRX / 2015-2016 Impreza / 2015-2019 Legacy / 2016-2018 Forester | Lightweight 6061T6 Aluminum | Performance Crank Pulley
Overview
The Perrin Crank Pulley is a precision-engineered performance upgrade designed specifically for Subaru models equipped with FA and FB engines, including the 2019-2021 WRX, 2015-2016 Impreza, 2015-2019 Legacy, and 2016-2018 Forester. By reducing the rotating mass of the crank pulley by approximately one pound compared to the OEM component, this pulley enhances throttle response, horsepower, and torque, delivering a more engaging and responsive driving experience for Subaru enthusiasts.
Manufactured from durable 6061T6 billet aluminum, the pulley is CNC machined to exacting tolerances to ensure perfect belt alignment and long-lasting durability. The anodized blue finish with laser etching not only provides corrosion resistance but also adds a sharp, aggressive aesthetic to your engine bay. The design maintains compatibility with all OEM and aftermarket belts, preserving reliability while improving performance.
For Subaru owners seeking a straightforward, effective upgrade that improves engine response without compromising reliability, the Perrin Crank Pulley offers a balanced solution. Its lightweight construction reduces parasitic drag on the engine, allowing for quicker revving and improved power delivery—benefits that are especially noticeable during spirited driving or track use. Installation is simplified by the included mounting hub, making this an accessible upgrade for enthusiasts focused on maximizing their Subaru’s potential.
Features & Specifications
This Perrin Performance crank pulley is engineered for Subaru FA/FB engine platforms and features a lightweight 6061T6 billet aluminum construction. Designed to reduce rotating mass by 1 pound, it delivers improved throttle response and power delivery for Subaru enthusiasts seeking enhanced engine performance and reliability.
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Brand: Perrin Performance
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Product: Perrin Crank Pulley Blue 2019-2021 WRX / 2015-2016 Impreza / 2015-2019 Legacy / 2016-2018 Forester
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Part Number: PSP-ENG-104BL
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Fitment: 2019-2021 Subaru WRX, 2015-2016 Subaru Impreza, 2015-2019 Subaru Legacy, 2016-2018 Subaru Forester (FA/FB engines)
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Material: 6061T6 Billet Aluminum
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Finish: Anodized Blue with Laser Etching
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Construction: CNC Machined
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Origin: Not Specified
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Weight Reduction: Approximately 1 pound lighter than OEM
Key Benefits
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Performance: Reduced rotating mass improves throttle response and engine acceleration.
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Durability: High-quality 6061T6 billet aluminum ensures long-lasting strength and resistance to wear.
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Fitment: Precision CNC machining guarantees perfect belt alignment and compatibility with OEM and aftermarket belts.
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Aesthetics: Anodized blue finish with laser etching adds a clean, aggressive look to the engine bay.
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Installation: Includes mounting hub for straightforward, hassle-free installation.
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Value: A cost-effective upgrade that delivers noticeable improvements in engine responsiveness without extensive modifications.
What's Included
- 1× Perrin Crank Pulley Blue
- 1× Mounting Hub
- Installation instructions
Installation & Compatibility
Installation of the Perrin Crank Pulley is generally straightforward for those with basic mechanical skills and standard hand tools. The included mounting hub simplifies the process, allowing for a direct replacement of the OEM pulley. No special tools are typically required beyond a torque wrench and standard sockets. This pulley is designed to fit specific Subaru FA and FB engine models, so verifying compatibility with your vehicle’s year and trim is essential before purchase. No engine tuning is required after installation, making it a practical upgrade for daily drivers and enthusiasts alike.
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Professional Installation: Recommended for those unfamiliar with engine accessory components
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Modifications Required: None
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Verify Compatibility: Confirm fitment for your specific Subaru model and engine
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