The Goldenwrench Blackline Performance A90 Supra Engine Start Button is a direct-replacement interior upgrade for the 2020+ Toyota GR Supra (A90), replacing the standard silver factory button with a modernized unit that adds a motorsport-inspired visual presence to the cockpit. Designed and manufactured in-house to the same precision standards as the Blackline exterior cap line, this button brings a refined, performance-focused aesthetic to the driver-focused interior.

The replacement button features a glass face set in a race-inspired red casing. The glass is specially cut to refract the START/STOP text around the entire bezel of the button surface — a detail that becomes visible to the driver after dark, creating a distinct, premium illumination effect. The button fully retains the factory light illumination function during both day and night operation, maintaining complete OEM functionality alongside the upgraded appearance.

Installation replaces the factory silver push-start button using a few common hand tools and takes approximately 30 minutes. Each kit includes the replacement Blackline Performance Engine Start Button and installation instructions.

Product Details

• Direct replacement for the factory silver push-start button
• Glass face set in race-inspired red casing
• Glass precision-cut to refract START/STOP text around the button bezel at night
• Retains factory illumination function — day and night compatible
• Installs with common hand tools in approximately 30 minutes
• Includes replacement button and installation instructions

Vehicle Applications

• 2020+ Toyota GR Supra (A90 / A91)

Notes

• This unit replaces the factory silver button — it is not a cover or overlay
• Designed exclusively for the A90 Toyota GR Supra platform