Perrin Performance

Perrin Alternator Pulley - Red — Fits 2007-2021 Subaru WRX STI EJ Engines

Perrin Alternator Pulley - Red — Fits 2007-2021 Subaru WRX STI EJ Engines
Perrin Alternator Pulley - Red — Fits 2007-2021 Subaru WRX STI EJ Engines
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Perrin Alternator Pulley - Red — Fits 2007-2021 Subaru WRX STI EJ EnginesPerrin Alternator Pulley - Red — Fits 2007-2021 Subaru WRX STI EJ Engines
Perrin Performance

Perrin Alternator Pulley - Red — Fits 2007-2021 Subaru WRX STI EJ Engines

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SKU: PERPSP-ENG-119RD
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About Perrin Performance Perrin Performance engineers high-quality automotive parts and ...Read More

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Car Wheel Size Chart

Wheel Diameter (inches) Tire Width (mm) Aspect Ratio Rim Width (inches)
14185655.5
15195606.0
16205556.5
17215507.0
18225457.5
19235408.0
20245358.5

Note: Wheel and tire sizes vary by car make and model. Always consult your vehicle’s manufacturer for exact specifications.

How to Read Tire Size

Example: 225/45R17 means:

  • 225 = Tire width in mm
  • 45 = Aspect ratio (height as % of width)
  • R17 = Rim diameter in inches
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Product Details

Product Description
Part Numbers
Sizing & Fit

About Perrin Performance

Perrin Performance engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full Perrin Performance lineup with fast shipping and expert fitment support — order with confidence.

Watch in action

Elevate Your EJ Engine with Perrin Performance

Unleash the full potential of your 2007-2021 Subaru WRX STI EJ engine with the Perrin Performance Red Alternator Pulley. Engineered for precision and durability, this lightweight pulley reduces rotational mass, contributing to quicker engine response and a slight increase in horsepower. The vibrant red anodized finish adds a striking visual upgrade under your hood, making your engine bay stand out.

Key Features & Benefits:

  • Reduced Rotational Mass: Lighter than stock, improving throttle response.
  • Durable Construction: Machined from high-quality aluminum for long-lasting performance.
  • Eye-Catching Finish: Anodized red for a custom, aggressive look.
  • Direct Fitment: Designed specifically for 2007-2021 Subaru WRX STI EJ engines.
  • Enhanced Aesthetics: Perfect for enthusiasts looking to personalize their engine bay.

Experience a noticeable difference in your vehicle's performance and appearance. This Perrin alternator pulley is a simple yet effective modification for any Subaru enthusiast. Get yours today at GGCRACING.

Product Details

Product Description
Part Numbers
Sizing & Fit

About Perrin Performance

Perrin Performance engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full Perrin Performance lineup with fast shipping and expert fitment support — order with confidence.

Watch in action

Elevate Your EJ Engine with Perrin Performance

Unleash the full potential of your 2007-2021 Subaru WRX STI EJ engine with the Perrin Performance Red Alternator Pulley. Engineered for precision and durability, this lightweight pulley reduces rotational mass, contributing to quicker engine response and a slight increase in horsepower. The vibrant red anodized finish adds a striking visual upgrade under your hood, making your engine bay stand out.

Key Features & Benefits:

  • Reduced Rotational Mass: Lighter than stock, improving throttle response.
  • Durable Construction: Machined from high-quality aluminum for long-lasting performance.
  • Eye-Catching Finish: Anodized red for a custom, aggressive look.
  • Direct Fitment: Designed specifically for 2007-2021 Subaru WRX STI EJ engines.
  • Enhanced Aesthetics: Perfect for enthusiasts looking to personalize their engine bay.

Experience a noticeable difference in your vehicle's performance and appearance. This Perrin alternator pulley is a simple yet effective modification for any Subaru enthusiast. Get yours today at GGCRACING.

Product Details

Product Description

About Perrin Performance

Perrin Performance engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full Perrin Performance lineup with fast shipping and expert fitment support — order with confidence.

Watch in action

Elevate Your EJ Engine with Perrin Performance

Unleash the full potential of your 2007-2021 Subaru WRX STI EJ engine with the Perrin Performance Red Alternator Pulley. Engineered for precision and durability, this lightweight pulley reduces rotational mass, contributing to quicker engine response and a slight increase in horsepower. The vibrant red anodized finish adds a striking visual upgrade under your hood, making your engine bay stand out.

Key Features & Benefits:

  • Reduced Rotational Mass: Lighter than stock, improving throttle response.
  • Durable Construction: Machined from high-quality aluminum for long-lasting performance.
  • Eye-Catching Finish: Anodized red for a custom, aggressive look.
  • Direct Fitment: Designed specifically for 2007-2021 Subaru WRX STI EJ engines.
  • Enhanced Aesthetics: Perfect for enthusiasts looking to personalize their engine bay.

Experience a noticeable difference in your vehicle's performance and appearance. This Perrin alternator pulley is a simple yet effective modification for any Subaru enthusiast. Get yours today at GGCRACING.

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