12 Tooth Pinion Gear, Provides 3.25-1 Gear Ratio

Price: $139.95 each Condition: New Item Number: 2597B-12 2007 Catalog Page: 9, 15 Per Car: 1 Year: 1913-1927 Quantity:

Drive shaft pinion gear only, 12 tooth pinion gear. For use with a 39 tooth ring gear. Provides a 3-1 gear ratio. Made with high quality 4140 and heat steel. (Not for use with a standard 40 tooth ring gear.) It will cause noise and excellerated ring gear failure. If you have any question it is best to change the set.

Note: If you have pits or wear on your current large ring gear, it is not recommended to change only this gear. It will cause noise and excellerated ring gear failure. If you have any question it is best to change the set.