To be honest, me being on the cheap, I have taken the last couple of years to buy pistons, rings, bearings, and etc. off of eBay. When timed right, I have found complete piston sets with rings as low as $35 shipped. Unfortunately, I don't have any "spares" to offer. But if in a hurry, try pricing with Vintage Power Wagons first.... Then source everything out with everyone else. Rock Auto used to be good, but I have noticed price increases as of late, and not as many parts left to be purchased. I suppose that the well maybe drying up, so to speak. Try Summit Racing too... Let your fingers do the walking to save a couple of bucks here and there...