This is a set of NOS Ford 1935 to 1948 3:54 Ring and Pinion gears they are a matched set that have never been installed the pinion has 11 teeth and 6 spines and the ring is 39 teeth. I bought them and needed a set for an early 32 ford banjo. These are great gears for highway driving. keeps RPM's low. If you have any questions or need more pics just let me know. Thanks for looking not many NOS left out there. $27 REAR END GASKET KIT INCLUDED !!!!!!!!! phone 740-632-9628 or email [email protected] buyer pays shipping THANKS