Cusco Close Ratio Final Gear Set

2020–2023 Toyota GR Yaris (GXPA16) 1.5L Turbo

Part #: 1C7 028 A

Overview

The Cusco Close Ratio Final Gear Set is a high-performance transmission upgrade designed specifically for the Toyota GR Yaris (GXPA16) from 2020 to 2023. Crafted with precision manufacturing techniques rooted in OEM quality, this gear set is engineered to enhance your vehicle’s driving dynamics, whether you're on the street or competing on the track. By replacing the stock gears with closer ratios, you'll experience quicker acceleration, improved throttle response, and a more engaging driving experience.

Ideal for motorsport enthusiasts, spirited drivers, and those seeking to maximize their GR Yaris's performance, this gear set leverages Japan’s best technology to give you a competitive edge. Built for durability and precision, it ensures your vehicle maintains reliability under demanding conditions while delivering the performance gains you desire.

Key Features

The Cusco Close Ratio Final Gear Set offers several key technological advantages that set it apart from standard gearsets:

• Manufactured using advanced OEM-grade precision machining techniques, ensuring high accuracy and durability.
• Designed with a close-ratio configuration to optimize gear spacing for rapid acceleration and improved power delivery.
• Utilizes Cusco’s renowned manufacturing technology, derived from high-end sportscar and professional race platform gear production.
• Constructed from high-strength materials to withstand the rigors of aggressive driving and racing environments.
• Reduces gear engagement times, resulting in more responsive shifts and enhanced driving enjoyment.
• Compatible with the stock transmission components, allowing for straightforward installation without extensive modifications.
• Engineered to support high-performance driving, making it suitable for both competitive racing and spirited street use.

Construction & Design

This gear set is crafted with meticulous attention to detail, utilizing precision manufacturing processes that ensure each gear tooth is cut to exact specifications. The gears are made from high-quality steel alloys that provide excellent strength and wear resistance, essential for maintaining performance over time. The close ratio design involves tighter spacing between gears, which minimizes power loss during shifts and maximizes acceleration potential. Cusco’s proprietary manufacturing technology ensures consistent quality, durability, and precise fitment, making this gear set a reliable upgrade for serious drivers.

Performance & Sound

By installing the Cusco Close Ratio Final Gear Set, you can expect noticeable improvements in your vehicle’s acceleration and throttle response. The closer gear ratios enable your engine to stay within its optimal power band more effectively, translating to quicker lap times and more dynamic driving. While specific horsepower or torque gains depend on your overall setup, this gear set is designed to support your vehicle’s performance enhancements. Additionally, the gear set may produce a more engaging transmission sound during aggressive driving, adding to the sporty character of your GR Yaris.

Installation & Fitment

The Cusco Close Ratio Final Gear Set is a bolt-on upgrade that requires standard mechanical skills and tools. It is designed to fit directly into the stock transmission housing of the Toyota GR Yaris (GXPA16) from 2020 to 2023, with no need for cutting or extensive modifications. Proper installation may involve disassembling the transmission, so it is recommended to have a professional mechanic perform the upgrade to ensure correct setup and optimal performance. No special tuning is typically required, but consulting with a performance specialist can help maximize the benefits of this gear set.

• Direct replacement for OEM gears
• No cutting, drilling, or extensive modifications needed
• Installation recommended by experienced technicians

What's Included

• Complete set of close ratio gears for 1st, 3rd, and reverse gears
• Input shaft gear
• All necessary hardware and fasteners for installation
• Detailed installation instructions

Ideal For

• Performance enthusiasts seeking quicker acceleration and more responsive shifting
• Track day drivers aiming to improve lap times
• Owners of the Toyota GR Yaris (GXPA16) looking to upgrade their transmission for competitive racing
• Drivers who want to maximize the potential of their turbocharged 1.5L engine with optimized gear ratios

Emissions Note

This gear set is designed for off-road and racing use only and may not be legal for street use in all jurisdictions. Please check local regulations before installation.