The part numbers for banjo bolts and how to modify the ones you have can be found here: https://www.souperdoo.com/stuff%20th...ht-oil-burning
I use Partzilla almost exclusively. Their prices are decent, their order system is good, shipping is reasonable and quick, and their customer service excellent. I think the benchmark of a company is that you never get to find out if their customer service department is any good, but I have had two occasions with Partzilla. They were very competent and responsive.