I'm going to guess that SPOG is salt, pepper, onion and garlic powder?
I know this is primarily a smoking site and thats why I came here years ago; I went through a smoking faze trying to smoke anything and everything. I'm through that and now only break out the smoker for a few things a few times a year. Setting it up just to kiss smoke on country style ribs fell out of favor for me, but we almost exclusively eat those rather than baby backs, St. Louis, etc.
I pressure cook them now. Still tweaking it but its been working well. Getting the doneness just right is elusive. I like them nearly fall apart...dont want to be sawing them with a knife, but get them too "fall aparty" and they will start to stick and break up while setting sauce on the grill, so if they are that done I will set sauce in the oven or under the broiler.
I like to dry season them with either my Cajun or BBQ rub (any store-bought rub would work or even just "SPOG"?) and brown them on as many sides as I can in a skillet or on a griddle. Then in to the pressure cooker (I have the Zavor Lux) with a couple tablespoons of soy sauce, 1/2 cup cider vinegar and 3/4 cup water for 20-25 minutes then a natural release (3.5-4lbs of meat).
I pull those out to a platter or sheet pan then head out to the grill to set BBQ sauce and get some of that sauce blackening here and there but not burnt. I serve with more sauce on the side. I dont like really sweet sauce but I like plenty of sauce with country style ribs. I make all my own sauces and rubs to control that.
I dont think there is the word "spare" in the name for those cuts of butt. And thats all they are usually, cuts form the prime portions of the same butts we smoke for pulled pork.
Good luck! Let us know what you did!