Originally Posted by kickit

Shoot, now I'm confused. I cleared out some fuel that was in the well (return lines were leaking and will be replaced) and it looks like I have the Splined retaining ring.

The thing is I took a cheap 22mm socket and cut off the head so that only the 22mm socket portion was left and it does not even fit over the injector holder head.

I'll get a 27mm socket and see if it fits.

Thanks again.