They do have different coatings available, different facing cuts, etc.
Just go through Summit if you are looking for a complete set, for the right facing cut for your engine, with their simple search engine, by just punching in what you're after and scrolling through their stuff. Speed Pro may pop up first. That's also a Hastings ring, but I know that Summit rings are less expensive and also the same ring, from Hastings. If they don't come up in the search, call Summit.
ALWAYS check your ring gap and file. They are manufactured to tedious tolerance at Hastings, but that doesn't mean your engine is exactly what it should be and that will change gap. When you gap them, keep them organized for each cylinder you checked them in.
If you ever need a single, Summit has them for 4" + diameter, but you have to go through Hastings to find the ring, by measuring what you've got, on something smaller. They have it, but the catch is, they are more expensive to place an order with, on a small order, than a business can drum up on a large PO. So, if you've got a 318 for instance, get the part number from Hastings and find a local shop or parts supplier to make the order for you from Hastings on individual rings.
If your piston rings sit high on the piston, get coated rings. If not, just stick with iron and you're golden.
The Total Seal rings you have showing are very good. Moly coated top rings will do good on an HP engine. They are the same exact Hastings part as KB/ United Engine/ Mahle/ Summit/ Sealed Power, etc.
Hope this helps.
