This is a Rochester carburetor.

Used for both automotive and marine engines!

750CFM

The numbers on this carb are:

17058213

1878 BJB

On the front are more numbers 17056600

It's called a R4-4MV

If you want a carb and know how to rebuild one this is for you!

The rebuild kit (KT-5288C) cost less than $25 at carburation.com!!

A new one cost $178.00 at one site I looked at!!

I accept other offers also!!

Thanks for looking!!