• Go Fast Bits 3 pc Underdrive/Non-Underdrive Pulley Kit | Subaru WRX (08+) / WRX STI / Forester (09+) / LGT (03-09) (2014)
  • Go Fast Bits 3 pc Underdrive/Non-Underdrive Pulley Kit | Subaru WRX (08+) / WRX STI / Forester (09+) / LGT (03-09) (2014)
  • Go Fast Bits 3 pc Underdrive/Non-Underdrive Pulley Kit | Subaru WRX (08+) / WRX STI / Forester (09+) / LGT (03-09) (2014)
  • Go Fast Bits 3 pc Underdrive/Non-Underdrive Pulley Kit | Subaru WRX (08+) / WRX STI / Forester (09+) / LGT (03-09) (2014)
  • Go Fast Bits 3 pc Underdrive/Non-Underdrive Pulley Kit | Subaru WRX (08+) / WRX STI / Forester (09+) / LGT (03-09) (2014)
  • Go Fast Bits 3 pc Underdrive/Non-Underdrive Pulley Kit | Subaru WRX (08+) / WRX STI / Forester (09+) / LGT (03-09) (2014)
  • Go Fast Bits 3 pc Underdrive/Non-Underdrive Pulley Kit | Subaru WRX (08+) / WRX STI / Forester (09+) / LGT (03-09) (2014)
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Go Fast Bits 3 pc Underdrive/Non-Underdrive Pulley Kit | Subaru WRX (08+) / WRX STI / Forester (09+) / LGT (03-09) (2014)

Go Fast Bits 3 pc Underdrive/Non-Underdrive Pulley Kit | Subaru WRX (08+) / WRX STI / Forester (09+) / LGT (03-09) (2014)

2014

In stock

$342.81 USD
$380.90 USD $342.81 USD
ADDITIONAL DISCOUNTS APPLIED AT CHECKOUT Sold out

The GFB 08+ WRX/STi, 09+ Forester, and 03-09 LGT 3-piece underdrive and non-underdrive pulley kit from Go Fast Bits is designed to enhance engine performance by reducing rotational mass. Crafted from a single billet of 6061-T6 aluminum and precision CNC machined, this lightweight pulley kit delivers sharper throttle response and quicker acceleration. Its construction ensures durability and a significant performance advantage without requiring additional supporting modifications or tuning. The kit provides a straightforward bolt-on upgrade that improves engine efficiency and responsiveness, making it an ideal choice for enthusiasts seeking performance gains.

This pulley kit is compatible with 2008 and newer Subaru WRX and STI models, 2009 and newer Subaru Forester, and 2003-2009 Legacy GT vehicles. It fits engines equipped with the specified pulley configurations and is suitable for street and performance driving. Installation involves replacing the stock pulleys with the included lightweight components, offering a direct fit for the listed models. The kit includes all necessary pulleys for a complete upgrade, providing a reliable and effective solution for reducing engine parasitic losses and enhancing overall vehicle responsiveness.

Overview

Go Fast Bits GFB Underdrive/Non-Underdrive Pulley Kit

Fits 2003–2009 Subaru Impreza WRX/STi, 2009+ Forester, 2003–2009 Subaru Legacy GT

Part #: 2014

Overview

The Go Fast Bits GFB Lightweight Pulley Kit is designed to enhance your vehicle’s engine performance by reducing rotational mass, resulting in sharper throttle response and quicker acceleration. Crafted from a single billet of high-grade 6061-T6 aluminum and precision CNC machined, this pulley kit offers a durable, lightweight upgrade that seamlessly integrates with your Subaru’s engine. It is ideal for enthusiasts seeking a bolt-on performance boost without the need for additional supporting modifications or tuning. Whether you're looking to improve responsiveness or add a touch of lightness to your engine bay, this pulley kit delivers reliable, high-quality performance. This kit is suitable for drivers who want to optimize their vehicle’s engine efficiency and responsiveness while maintaining a straightforward installation process. It supports a more immediate throttle feel and helps reduce parasitic drag, contributing to a more engaging driving experience.

Key Features

This pulley kit features a meticulously engineered design focused on performance and durability:
  • Constructed from a single billet 6061-T6 aluminum block for strength and lightness
  • Precision CNC machined to exact tolerances for perfect fitment
  • Available in both underdrive and non-underdrive configurations to suit your performance needs
  • Reduces rotating mass to improve throttle response and acceleration
  • Designed for easy bolt-on installation with no need for tuning or supporting mods
  • Corrosion-resistant finish for long-lasting performance in various conditions
  • Supports a lightweight, performance-oriented upgrade for Subaru engines

Construction & Design

The pulley kit’s construction emphasizes high-quality materials and precise machining. The billet 6061-T6 aluminum ensures a lightweight yet durable component, while CNC machining guarantees a perfect, balanced fit. The design minimizes rotational inertia, helping your engine rev more freely and respond more quickly to throttle inputs.

Installation & Fitment

Installation is straightforward and designed for a direct bolt-on upgrade. The kit includes all necessary hardware for a secure fit, allowing you to enhance your vehicle’s performance with minimal downtime. Proper installation ensures optimal function and longevity.

Ideal For

This pulley kit is perfect for Subaru enthusiasts looking to improve throttle response, acceleration, and overall engine efficiency. It’s an excellent choice for drivers seeking a simple, effective upgrade that complements other performance modifications or stands alone as a lightweight enhancement.
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