ZZPerformance VSS Reluctor Wheels are used for transmission gear changes.

• 34 tooth for changing 1 step (F.E. 3.29 gears instead of 2.92)

• 38 tooth for changing 2 steps (F.E. 3.69 gears instead of 2.92)

These will make the transmission shift correctly without reprogramming the PCM, however the speedometer will be off until you install and set our Mini SRC.

If you do a gear change and have the ability to have the PCM reflashed for the gear change, you will not need this product.