The case is bored 0.25mm.

U1; first undersize

0.25; mm cut

The type 4 had 3 undersize bearing sets, 0.25mm, 0.5mm 1.0mm

Douglas

Tom Young wrote:

> Hi all:
>
> I split the case of my junk yard Vanagon 2.0L engine.  Looking at the
> back of the #2 main bearing insert I'm reading the following:
>
>            85072610
>            U1/0.25