Pullies
No two groove pump pulley on a 340, all 340's had a single on the pump even with air 70 and up. The crank was three groove
![DSCN0156[1].jpg](https://www.forabodiesonly.com/mopar/attachments/dscn0156-1-jpg.1715601074/ "DSCN0156[1].jpg")
![DSCN0162[1].jpg](https://www.forabodiesonly.com/mopar/attachments/dscn0162-1-jpg.1715601075/ "DSCN0162[1].jpg")
No two groove pump pulley on a 340, all 340's had a single on the pump even with air 70 and up. The crank was three groove
