D model?

[pan620]

[/ATTACH]DL3.jpgDL2.jpgDL3.jpgDL4.jpg
A guy brought these in to the shop of a friend and wanted them bored out and a valve job,said they where off a Servi-Car?

[1950Panhead]

D models were made in 29,30,31, predcessor to the WL.
https://bikez.com/motorcycles/harley...el_dl_1930.php
First servicar was 34.

[Rubone]

Yup, those are D or DL cylinders last used in '31.

[pan620]

Did all D models have them fins in the intake port?? Thanks

[Rubone]

D models were made in 29,30,31, predcessor to the WL.
https://bikez.com/motorcycles/harley...el_dl_1930.php
First servicar was 34.

First Servi-Cars were actually '32.