GM 700R4 Transmission Speedometer Gear Set – 41 Tooth Driven & 15 Tooth Drive – With 40-45 Housing

Working on a 700R4 transmission and need to get your speedometer reading right?

This is a direct replacement GM gear set.

You get a 41-tooth driven gear and a 15-tooth drive gear, plus the correct housing (fits 40-45 tooth driven gears).

It's all brand new, genuine GM parts.

If you've changed your rear end ratio or tire size, swapping these gears is how you calibrate the mechanical speedometer.

The manufacturer part number is simply listed as 41 & 15 Housing.

Note there's a $15 core charge, so check the details on that.