Speedo Driven Gear GM 42 Tooth Green

The Speedo Driven Gear GM 42 Tooth Green is an essential component for General Motors automatic transmissions, particularly for those needing speedometer calibration adjustments. This gear is particularly valuable for transmission rebuilders and performance enthusiasts who require precise speedometer accuracy after modifications such as gear ratio changes or differential swaps.

This precision-engineered component features a 42-tooth design that meshes with the speedometer drive gear, ensuring accurate speed readings. The green color designation signifies its specific tooth count and compatibility within GM's transmission family. Proper calibration is crucial for maintaining accurate odometer readings, which can impact resale value and fuel economy.

Transmission shops, hot rod builders, and DIY mechanics will find this compact gear easy to install during transmission assembly or rebuild cycles. Weighing just 0.14 lbs, it allows for straightforward integration without the need for special tools. Ensure your speedometer functions correctly under all driving conditions with this critical internal component.