Perrin Lightened Crank Pulley Blue 2002-2014 WRX / 2004-2021 STI / 1994-2009 Legacy / 2004-2010 Forester / 2004-2013 Forester XT / 1993-2011 Impreza / 1995-2009 Outback | 3.7 lbs Weight Reduction | Lightweight Performance Pulley
Overview
The Perrin Lightened Crank Pulley is a precision-engineered upgrade designed to reduce rotational mass on a wide range of Subaru models including WRX, WRX STI, Legacy, Forester, Forester XT, Impreza, and Outback from various years. By shedding approximately 3.7 pounds compared to the OEM crank pulley, this lightweight component improves throttle response and engine revving characteristics, delivering a more engaging and responsive driving experience. It’s an ideal modification for Subaru enthusiasts looking to enhance acceleration and engine efficiency without complex tuning or sacrificing reliability.
Manufactured from CNC-machined 6061T6 aluminum and finished with a durable hard anodized coating, the Perrin crank pulley combines lightweight construction with corrosion resistance and long-term durability. Its design philosophy centers on maintaining OEM compatibility while optimizing performance through weight reduction. This pulley is a direct bolt-on replacement compatible with OEM belts and other pulleys, ensuring seamless integration with Subaru’s EJ engine lineup.
For Subaru owners, this pulley offers tangible improvements in engine responsiveness and throttle feel, making daily driving more enjoyable and track sessions more dynamic. The reduction in rotational inertia allows the engine to spool up faster, enhancing acceleration without requiring any ECU tuning or additional modifications. This straightforward upgrade is a practical step toward unlocking more potential from your Subaru’s powertrain.
Features & Specifications
This Perrin Performance Lightened Crank Pulley is engineered for Subaru WRX, WRX STI, Legacy, Forester, Forester XT, Impreza, and Outback models. Constructed from CNC-machined 6061T6 aluminum with a hard anodized blue finish, it delivers significant weight savings and improved throttle response for Subaru enthusiasts seeking enhanced engine efficiency and acceleration.
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Brand: Perrin Performance
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Product: Lightened Crank Pulley Blue
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Part Number: PSP-ENG-100BL
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Fitment: 2002-2014 WRX, 2004-2021 WRX STI, 1994-2009 Legacy, 2004-2010 Forester, 2004-2013 Forester XT, 1993-2011 Impreza, 1995-2009 Outback
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Material: 6061T6 Aluminum
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Finish: Hard Anodized Blue
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Construction: CNC Machined
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Origin: Not Specified
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Weight Reduction: Approximately 3.7 lbs lighter than OEM
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Compatibility: Direct replacement for OEM crank pulley, compatible with OEM belts and pulleys
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Tuning Required: No
Key Benefits
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Performance: Reduces rotational mass to improve throttle response and engine rev speed for quicker acceleration.
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Durability: CNC-machined 6061T6 aluminum with hard anodized finish resists corrosion and wear for long-lasting use.
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Fitment: Direct bolt-on replacement compatible with OEM belts and pulleys, ensuring hassle-free installation.
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Quality: Precision manufacturing guarantees consistent performance and reliable operation across multiple Subaru platforms.
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Value: Simple upgrade that delivers noticeable driving improvements without requiring tuning or additional modifications.
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Driving Experience: Enhances engine responsiveness for a more engaging and lively feel on both street and track.
What's Included
- 1× Perrin Lightened Crank Pulley Blue
- Installation instructions
Installation & Compatibility
Installation of the Perrin Lightened Crank Pulley is straightforward and can be completed using standard crank pulley removal tools commonly found in Subaru service kits. This is a direct replacement part that fits OEM belts and pulleys, requiring no modifications or tuning adjustments. It is suitable for both DIY enthusiasts with moderate mechanical experience and professional installers. No special tools beyond typical Subaru crank pulley tools are necessary.
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Professional Installation: Recommended for those unfamiliar with crank pulley removal
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Modifications Required: None
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Verify Compatibility: Confirm fitment for your specific Subaru model year and engine variant before purchase
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