Gear Speedometer Drive Brown-4 Speed-18 Tooth-3.08 Rear-61-81

1961-1981 corvette speedometer drive gear - brown 18 tooth. 4 speed with 3.08 rear diff.

If your speedometer reads too high, a drive gear with one more tooth will slow it down approximately 5 miles per hour.

Gm part number: 3987918.