Where to buy o-rings for speedo gear?

[Fern]

I'm changing the speedo gear at the transmission and would like to change out the o-ring seals, but cant find them.
Anyone know where to get them?
Thanks

[Jamiez]

These?

http://www.ebay.com/itm/727-MOPAR-TRANSMISSION-SPEEDOMETER-SEALING-KIT-O-RING-SEAL-/271301116538?pt=Vintage_Car_Truck_Parts_Accessories&hash=item3f2ace827a&vxp=mtr

http://www.ebay.com/itm/Mopar-Speedometer-Gear-Pinion-Adapter-Seals-Complete-Kit-Mopar-Kit-FREE-SHIP-/261248787734?pt=Vintage_Car_Truck_Parts_Accessories&hash=item3cd3a42516&vxp=mtr

[Fern]

Would 727 and 833 trans use same rings?

[Jamiez]

I believe so...but Brewer's sells them as well:

http://www.brewersperformance.com/products.asp?cat=61

[Chryco Psycho]

both 833 & 727 use the same speedo pinion holder /  drive part so yes the seals will be the same

[Fern]

I believe so...but Brewer's sells them as well:

http://www.brewersperformance.com/products.asp?cat=61

Great, thank you.  I would rather buy from Brewers than ebay!