Bought a Van......

RustyRatRod said
That is a complete kit that Crane sells. Here it is.

Crane Rocker Arm Guideplate Conversion Kits 36655-16

It almost looks like some of yours is missing, OR it's something someone has cobbled. It's a nice kit. I've used it several times and have it right now on the 5.0 Explorer engine I built for RobKat. It works good and should not allow the rockers to move off the stems at all.

RustyRatRod said
When you change to rocker studs in the Magnum, it MUST have guide plates to keep the rockers from twisting and coming off the valve stems. I didn't see a good picture of what you HAVE, but that Crane kit I linked to on Summit is what you NEED.

Stephen Hotz said
Are these what you had?

View attachment 1715446090

Yes, it had the guide plates, but a couple of the push rods were scrapping it. Comp Cams admitted they had a bunch of "wrong" plates out there and sent him a new box. I didn't install them because the rockers "rocked" all over. I think the same roller rocker used on GM's is the same rollers they give for Mopars???? It's non-adjustable but does "adjust" by the center nut. Anyways, I installed the factory magnum rockers/guide plates I happen to have which fit snug as a bug in a rug.