I believe these will work in the following receivers, among others:
Pioneer SX-580, SX-680, SX-780, SX-880, SX-980, SX-1080, SX-1280, SX-1980
Pioneer SX-450, SX-550, SX-650, SX-750, SX-850, SX-950, SX-1050, SX-1250
Concept 5.5, many more
Project/One Mark 400, Mark IV B, many more
All my small parts are set up for combined shipping, so just use the "add to cart" feature and then check out all at once, and it will combine shipping. If you have any questions, please ask.
Looking for more parts? I have power switches, feet, pushbuttons, top case screws, bottom screws, faceplate screws, white LED fuse lamps, blue LED fuse lamps, 6.3v bi-pin bulbs, 8v bi-pin bulbs, 12v bi-pin bulbs, wired 8v 60ma bulbs, new main capacitors for the Marantz 1060/2230, and more. Just use "add to cart" on everything you want and then check out for combined shipping.