Billetworkz Automatic Shifter

2019+ Toyota GR Corolla Hatch & Sedan

Part #: BW-KNB-GRAUTO-NO-RBSP-SL-RED

Overview

The Billetworkz Automatic Shifter Rainbow Sparkle is a premium upgrade designed specifically for the 2019 and newer Toyota GR Corolla Hatch and Sedan models. This performance-oriented shift knob and lockout system transforms your factory automatic shifter into a precise, mechanical-feeling control that enhances both the driving experience and interior aesthetics. Ideal for enthusiasts seeking improved shift engagement and a distinctive look, this system replaces the traditional shift button with a custom push-down lockout collar, delivering a more intuitive and confident gear selection.

By eliminating the factory button press and introducing a fixed knob with a push-down lockout, the Billetworkz shifter provides a rattle-free, solid connection that resets instantly after each shift. This ensures consistent performance and safety during spirited driving or daily use. The vibrant Rainbow Sparkle finish adds a bold splash of color, making your interior stand out while maintaining long-term durability.

Key Features

Engineered for precision and style, the Billetworkz Automatic Shifter offers a range of benefits that elevate your Toyota GR Corolla’s shifting experience:

• Custom push-down lockout collar replaces factory shift button for enhanced control
• Fixed shift knob design eliminates unwanted movement and rattling
• Instant reset mechanism ensures smooth, reliable gear engagement every time
• CNC-machined from premium 6061 aluminum for strength and durability
• Available in multiple finishes including Black, Blue, and Red to match your interior
• Bold Rainbow Sparkle finish adds a unique, eye-catching aesthetic
• Improves safety by providing a more tactile and deliberate shifting action
• Designed specifically for 2019+ Toyota GR Corolla Hatch and Sedan models
• Easy to use with everyday usability and performance-driven feel
• Optional custom engraving available for personalized styling

Construction & Design

The Billetworkz Automatic Shifter is precision-crafted from high-grade 6061 aluminum using CNC machining techniques to ensure exact tolerances and a flawless finish. This material choice offers an excellent balance of lightweight strength and corrosion resistance, making it ideal for daily driving and performance use. The lockout mechanism is engineered to replace the factory shift button with a push-down collar that remains firmly in place during operation, enhancing both control and safety.

The Rainbow Sparkle finish is applied with durable coatings that resist fading and wear, preserving the vibrant look over time. The entire assembly is designed for a clean, rattle-free feel that complements the sporty interior of the GR Corolla, providing a refined tactile experience that matches the car’s dynamic character.

Installation & Fitment

Installation of the Billetworkz Automatic Shifter is straightforward and requires no permanent modifications to your vehicle. The system is a direct replacement for the factory shift knob and button assembly on 2019 and newer Toyota GR Corolla Hatch and Sedan models. The lockout collar and knob install easily, allowing you to upgrade your shifter quickly and with minimal tools.

This plug-and-play design ensures compatibility and maintains factory shift functionality while delivering a more engaging and precise shifting feel. Detailed instructions are included to guide you through the installation process.

What's Included

• Billetworkz CNC-machined shift knob with Rainbow Sparkle finish
• Custom push-down lockout collar mechanism
• Automatic adapter system replacing factory shift button
• Installation hardware and instructions

Ideal For

This automatic shifter upgrade is perfect for Toyota GR Corolla owners who want to enhance their vehicle’s interior style and shifting precision. It is especially suited for driving enthusiasts who appreciate a more mechanical, performance-inspired feel from their automatic transmission. Whether used for spirited driving or daily commuting, the Billetworkz shifter adds both function and flair to your GR Corolla’s cockpit.

Founded in 2014 by Austin Barnett, Billetworkz was born from a deep love for custom builds and the car community. With a Mechanical Engineering degree from Penn State, Austin brings a sharp eye for performance, precision, and personalization. His passion for cars started young—fueled by time spent with his father—and has only grown since. His iconic “Rexzilla” RB26 build is a true reflection of the craftsmanship and dedication behind everything we create at Billetworkz.