Speedo Gear Driven GM 18tooth Brown

The Speedo Gear Driven GM 18tooth Brown is an essential speedometer drive gear designed specifically for General Motors vehicles that require accurate odometer and speedometer calibration. This component is crucial for ensuring that your vehicle's speed readings are precise, especially after modifications to the drivetrain or axle ratios.

Positioned at the transmission output shaft, this gear converts rotational speed into accurate dash readouts. The 18-tooth configuration works with the speedometer cable drive gear to maintain a fixed gear ratio, which is a standard method for recalibrating speedometer accuracy. The mechanical design of this gear ensures reliability without the need for electronic sensors, making it a trusted choice for mechanics and enthusiasts alike.

Ideal for those restoring classic GM muscle cars or upgrading their vehicles, the Speedo Gear Driven GM 18tooth Brown matches OEM specifications for fitment and engagement geometry. This part is particularly beneficial when swapping axle ratios or rebuilding transmissions, where maintaining accurate speedometer calibration is critical for performance and safety.