1965 Offenhauser 273!

Syleng1 said

If that is going in an early an under a stock hood; that will not fit underView attachment 1716254003 the hood with all those carb spacers.
I have an offenhouser single plane correct for that time period with a 600cfm on my 273 and the air cleaner barely fits.

Click to expand...

I run the same air cleaner on the slant six in my 63 Valiant. Offy intake, Edelbrock carb. It didn't quite clear the hood with the stock filter, so I used a shorter one with the same diameter (don't remember the part number). With the shorter filter inside the 273 air cleaner assembly, it cleared the hood. A bit less airflow, I suppose, but enough for my six.