Fueling & Injection - Truck wiring loom on LS1 Injectors

As the title really, does anyone sell adaptors for connecting Bosch style LS1 injectors to the smaller plugs used on the Vortec 5.3 2005 truck loom?

Or Bosch pigtails that I can solder on perhaps?

TIA

Gareth

FAST has them,as does Summit, Jegs, etc......