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Sat Jan 23, 2010 9:50 pm

Hi all. I have three single port heads I'm trying to find out what they fit so my FS ad is accurate. I think they are '60's era, but I'd like to know exactly. I believe the third one is for a '65?

Also can someone explain what is meant by square boss versus round boss?

Here are the basic pictures, there are more in my gallery.

211.101.373

113.101.373D

113.101.373

Thanks much!

Sat Jan 23, 2010 10:07 pm

They are square rocker boss 40hp heads used in 1965

Sat Jan 23, 2010 10:20 pm

Anyone know why the manifold mounting boss is shorter in the bus head??

Sat Jan 23, 2010 11:20 pm

The difference between square and round boss is the block with the stud coming out where you mount the rocker.

Sun Jan 24, 2010 12:23 am

I was asking about the manifold boss. They look to be shorter for the bus (211 part number) vs. the bug heads

Does the bus need more clearance for the air cleaner? Is there a corresponding 211 part number manifold??

Sun Jan 24, 2010 11:08 am

Sorry I was replying to the original poster about the bosses

Sun Jan 24, 2010 11:12 am

derluftwagen wrote: I was asking about the manifold boss. They look to be shorter for the bus (211 part number) vs. the bug heads

Does the bus need more clearance for the air cleaner? Is there a corresponding 211 part number manifold??

The top head is a later 1500-1600 head with different style intake... the other two pics are as stated late 40 hp heads.

Sun Jan 24, 2010 12:08 pm

Here are a couple more pictures of these. If I understand correctly, the 211.101.373 is a 1500 or possibly 1600 head but not necessarily a bus head? So beetle 1968-72? The intake opening is larger and does not have the raised part.

The other two have a smaller opening and a raised part at the intake. Thes are both 1965 beetle, 40HP? Does the D at the end of the one indicate later than 1965?

113.101.373

113.101.373D