I've tryed to call comp cams all day and sent an email and left a message with TSP but no answer.

I bought this set of dual springs. The owner thought they were PRC duals that came on his TEA heads a few years ago, they have little use so I picked them up. He lost one retainer and I've had Predz and a sponsor send me a retainer that turned out to be the wrong one(they sent the right one, I had the wrong knowledge of what the springs were). Here are some pics of the retainers I have of the 15, and of the 2 which I believe are PRC dual titanium retainers.

Already tryed searching but I couldn't find any good pics of these springs. The inner spring has a red stripe.

Thanks.

*edit* in the first pic the retainer on the left is the PRC dual, the one on the right is one of the 15.

 

Any help? A sponsor want to sell me a matching one to the one on the right?

 

Measure the diameters on the opposite side (that interface with the spring) and the OD. Most vendors (Crane, Comp, etc.) have the diameters in their catalogs. You may be able to pin it down this way. I would check Crane, Comp and Manley to start.