GTIWUNG 6PCS JST Plug Splitter JST Male Female Y Cable RC JST Y Parallel Adapter Harness JST to JR Adapter for Traxxas TRX-4 RC Car Crawler Truck Cooling Fan ESC Battery Motor

Great quality connections and comes with everything you need and also spares. I needed it to connect a hump pack with a JR connection to a on/off switch which had JST connections. Works perfectly and isn't too long so fits in battery compartment nicely.