This carb is different from the stock carb being that there is a filter built into the petcock (see second photo)  - but it will fit and work the same as the stock carburetor.

Aftermarket dual feed Carburetor - same as stock carb for the 1978-85 ATC70's. Petcock and choke are on the left (correct side). 

Direct fit for easy installation-Plug-N-Play Uses OEM repair kit.