This listing is for an OEM Polaris Mikuni carburetor for a vintage Polaris snowmobile. This is a flange mount, 26mm carburetor, flange has EC29 stamped in it. There is no part number on the box.

The carb has marks on the flange like it has been mounted. I opened the carb up everything inside is clean and in very nice condition!! 

The part in the carb are as follows

2.5 cutaway slide

35 pilot jet

220 main jet

5GL2 needle

200 0-0 needle jet