[J-Mech]

2" or 1.75"??

Use Google...

Here's one for a 1.75"
http://www.ebay.com/itm/1-75-New-Gas...EAAOxy3yNTinj8


Here's one for a 2". Even says Chilton style....
http://www.ebay.com/itm/Vintage-Orig...QAAOSwDiBZEfML


That took like 3 min....