Opulent Americas sells 12 Cree XP-3G top flux bin LEDs on a 2" x 6" Metal Core PCB with Dual Poke-In Connectors which accept 18-24 AWG solid or stranded wire. 70, 80, and 90 CRI, pre-installed Thermal Interface included. Digikey qty 10 pricing is about $17 ea. Datasheet attached.
Cree...