Been getting them from Del City. Good price and have been reliable so far. Both 87 pins are powered at the same time so use one relay for low beam and one for high beam to split power to the separate bulbs.
https://www.delcity.net/store/Dual-C...91795.h_791800
They also have un-wired relay sockets for making your own harnesses.
https://www.delcity.net/store/5-Pin-...90144.h_790150