Go Fast Bits Lightweight Pulley Kit 2013-2021 BRZ | Performance Enhancement | Engine Accessories

Overview

The Go Fast Bits Lightweight Pulley Kit is a carefully engineered upgrade designed specifically for the 2013-2021 Subaru BRZ. This performance-focused kit replaces your stock pulleys with lightweight alternatives, reducing rotational mass on the crankshaft, alternator, and water pump. The result is a more responsive engine with quicker throttle response and improved acceleration—ideal for enthusiasts looking to sharpen their driving experience without extensive modifications.

Built with a focus on durability and precision, Go Fast Bits utilizes aircraft-grade 6061-T6 aluminum to craft these pulleys, ensuring long-lasting reliability under spirited driving conditions. The design philosophy centers on optimizing engine efficiency and responsiveness, making this kit a practical bolt-on upgrade for both street and track use. By decreasing parasitic drag, the pulleys help your BRZ rev more freely, translating into a lively, engaging driving feel that Subaru owners appreciate.

Whether you're chasing better throttle feel, smoother power delivery, or a slight performance edge, this pulley kit offers a straightforward solution. It’s an excellent choice for those who want to enhance their vehicle’s engine dynamics without complex tuning or major modifications. As a Subaru-specific upgrade, it fits seamlessly and provides tangible benefits that elevate your driving experience.

Features & Specifications

This Go Fast Bits Lightweight Pulley Kit is engineered for Subaru BRZ models from 2013 to 2021 and features a significant weight reduction on key engine components. Constructed from durable aircraft-grade aluminum, it delivers improved engine efficiency and responsiveness for Subaru enthusiasts seeking a reliable, bolt-on performance upgrade.

• Brand: Go Fast Bits
• Product: Lightweight Pulley Kit 2013-2021 BRZ
• Part Number: [Not specified]
• Fitment: Subaru BRZ (2013-2021)
• Material: Aircraft-grade 6061-T6 aluminum
• Finish: Anodized or natural aluminum finish (if specified)
• Construction: CNC machined for precision fit
• Origin: Designed and manufactured with quality standards in mind

While primarily a performance upgrade, this pulley kit does not require tuning for installation. It is a direct bolt-on replacement that enhances engine responsiveness and efficiency, making it suitable for daily driving or track days. The reduction in rotational mass can also contribute to a slight increase in power delivery, especially when combined with other performance modifications.

Key Benefits

• Performance: Reduces rotational mass for quicker engine revs and improved throttle response
• Durability: Crafted from aircraft-grade aluminum for long-lasting reliability
• Ease of Installation: Bolt-on design allows straightforward installation with basic tools
• Engine Efficiency: Less parasitic drag results in more efficient power transfer
• Weight Savings: Significantly lighter than stock pulleys, contributing to better engine dynamics
• Compatibility: Perfect fitment for 2013-2021 Subaru BRZ models, ensuring OEM-like quality

What's Included

• 1× Go Fast Bits Lightweight Crank Pulley
• 1× Lightweight Alternator Pulley
• 1× Water Pump Pulley
• Installation instructions

Installation & Compatibility

The Go Fast Bits Lightweight Pulley Kit is designed for a straightforward installation, typically suitable for DIY enthusiasts with basic mechanical skills. It involves replacing the stock pulleys with the new lightweight versions, which can be accomplished using standard hand tools. No special tuning is required, but verifying proper belt tension and alignment is recommended to ensure optimal performance.

• Professional Installation: Recommended for those unfamiliar with pulley swaps or seeking guaranteed precision
• Modifications Required: None
• Verify Compatibility: Ensure your vehicle is a 2013-2021 Subaru BRZ to confirm fitment