• Go Fast Bits 02-10+ WRX/STI Crank Pulley | Subaru WRX / STI (02-10+)
  • Go Fast Bits 02-10+ WRX/STI Crank Pulley | Subaru WRX / STI (02-10+)
  • Go Fast Bits 02-10+ WRX/STI Crank Pulley | Subaru WRX / STI (02-10+)
  • Go Fast Bits 02-10+ WRX/STI Crank Pulley | Subaru WRX / STI (02-10+)
  • Go Fast Bits 02-10+ WRX/STI Crank Pulley | Subaru WRX / STI (02-10+)
  • Go Fast Bits 02-10+ WRX/STI Crank Pulley | Subaru WRX / STI (02-10+)
  • Go Fast Bits 02-10+ WRX/STI Crank Pulley | Subaru WRX / STI (02-10+)
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Go Fast Bits 02-10+ WRX/STI Crank Pulley | Subaru WRX / STI (02-10+)

Go Fast Bits 02-10+ WRX/STI Crank Pulley | Subaru WRX / STI (02-10+)

2009

In stock

$133.65 USD
$187.00 USD $133.65 USD
ADDITIONAL DISCOUNTS APPLIED AT CHECKOUT Sold out

The GFB 02-10+ WRX/STI Crank Pulley (Not Under-Drive) by Go Fast Bits is a lightweight performance component designed to enhance engine responsiveness. Crafted from a single billet of 6061-T6 aluminum and precision CNC machined, this pulley reduces rotating mass at the crankshaft, resulting in sharper throttle response and quicker acceleration. Its construction ensures durability and high precision, providing an immediate performance upgrade without requiring additional supporting modifications or tuning. This bolt-on upgrade offers a significant performance advantage by optimizing engine dynamics and reducing parasitic losses, making it ideal for enthusiasts seeking improved throttle feel and engine efficiency.

Designed for Subaru WRX and STI models from 2002 to 2010, this crank pulley is a direct replacement for the stock component. It is suitable for street driving and performance applications where improved engine response is desired. Installation is straightforward, with the pulley fitting directly onto the crankshaft without the need for complex modifications. The kit includes the lightweight pulley itself, offering a reliable upgrade for those looking to maximize engine performance and responsiveness in their daily or spirited driving.

Overview

Go Fast Bits GFB Crank Pulley

Fits 2002–2010 Subaru WRX and STI

Part #: 2009

Overview

The GFB 02-10+ WRX/STI Crank Pulley is a high-quality lightweight replacement designed to enhance your vehicle’s engine responsiveness. Crafted from a single billet of 6061-T6 aluminum and precision CNC machined, this pulley kit is engineered to reduce rotational mass, resulting in sharper throttle response and quicker acceleration. It is an ideal upgrade for enthusiasts seeking to improve engine dynamics without requiring additional supporting modifications or tuning. Whether you're looking to optimize your daily driver or boost your performance car’s responsiveness, this pulley offers a straightforward bolt-on solution that combines durability with performance benefits.

Key Features

Designed with precision and performance in mind, the GFB crank pulley features:
  • Constructed from high-grade 6061-T6 aluminum for strength and lightness
  • Precision CNC machined for exact fit and smooth operation
  • Significantly reduces rotating mass to improve throttle response
  • Engineered to help your engine accelerate more quickly
  • Durable design built to withstand the rigors of spirited driving
  • Easy bolt-on installation with no need for tuning or supporting mods

Construction & Design

This crank pulley is machined from a solid billet of 6061-T6 aluminum, a material renowned for its strength-to-weight ratio and corrosion resistance. The CNC machining process ensures precise dimensions and a smooth finish, which helps maintain optimal belt alignment and longevity. Its lightweight design reduces the engine’s rotational inertia, contributing to more immediate throttle response and improved acceleration.

Driving Feel & Feedback

By decreasing the rotational mass of the crank pulley, this upgrade provides a more immediate and responsive engine feel. Drivers will notice quicker throttle response and a more direct connection between accelerator input and engine output, enhancing overall driving engagement without compromising reliability.

Installation & Fitment

The GFB lightweight crank pulley is designed for a straightforward bolt-on installation on 2002–2010 Subaru WRX and STI models. It requires no additional modifications or tuning, making it an accessible upgrade for DIY enthusiasts and professional installers alike.

What’s Included

The package includes the CNC-machined lightweight crank pulley and all necessary hardware for installation.

Ideal For

This pulley is perfect for Subaru WRX and STI owners looking to improve throttle response and acceleration, whether for daily driving, spirited street use, or track days. It offers a simple yet effective way to enhance engine dynamics with minimal effort.
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