Hello all,
I needed to replace my AI check valve in the back of the engine. I heard it
"puffing" back there, and found the bottom part of the valve was rusted off.
Found one on ebay, but happened to be at my local Napa store and asked about it.

Hats off to Napa- Napa part number CRB 2-29000 fits perfectly, and it is inexpensive.

Hope that helps anyone with the same problem.

I bought another XJS. Had an 89 convert that needed lots of work.

Found a '90 that was a 1 owner car with only minor issues, triple black

Got the 90 up and running.

This is the COOLEST car I have ever owned.

It only needed a Marelli tune up, cam cover gaskets, intake gaskets, and the injector seals were shot.

All that work is done, and she runs great. Smooth as glass.

Car is like new inside and out, never been in bad weather, I can tell.

I am thrilled with the ride and the power. Again, COOL!

This forum has been so helpful. Thanks to all for your postings!!