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**Captainfab** · 02-08-2019, 01:34 AM

The ring gear has the part number, date made and tooth count stamped on the outer edge. Or you can count the teeth on both the pinion and ring gears and divide them to get your gear ratio.

02-08-2019, 01:34 AM	#9
Captainfab 60-66 Nut Join Date: Mar 2007 Location: Coeur d'Alene, Idaho Posts: 23,254	Re: 66? 12 bolt ID help The ring gear has the part number, date made and tooth count stamped on the outer edge. Or you can count the teeth on both the pinion and ring gears and divide them to get your gear ratio. __________________ Power Steering Box Adapter Plates For Sale HERE Power Brake Booster Adapter Brackets For Sale '63-'66 HERE and '67-'72 HERE and '60-'62 HERE and "60-'62 with clutch HERE Rear Disc Brake Brackets For Sale. Impala SS calipers HERE Camaro Calipers HERE D52 Calipers HERE 6 Lug HERE Hydroboost Mounting Plates HERE