SOLD

Set of 4 adaptors for headers installation. The tube OD at the flange is 1 5/8". The distance between the bolt holes on the flange is 2 1/2".

Price: $60 + shipping (or pick up L.A. area)

Thank you for looking.

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let me check my headers, i may be interested. if you know if they use a 911 exhaust gasket then i will take them.
thanks
Kent

Unfortunately I'm not sure what gasket they use

I will take measurement and post a drawing of the flange.

Further information on the adaptor flanges

The photo below is taken with an SC or 3.2 exhaust gasket. Obviously, the port hole is too large in the gasket. As for mounting holes, they do clear but barely. The adaptor uses M8 and the gasket bolt hole is 11mm.

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looks like they are close enough i can make them work.
send me a PM with your PP.