Restek GC Racer System by Zip Scientific, For Agilent 5890A (only); GC domestic sales only Decrease run time by increasing the GC heating rate GC Racer's heating element enters the circuit when the controller, plugged into the PC board of the Agilent 5890: maintains heating rate of 70&#xB0;C/min. up to 350&#xB0;C or 60&#xB0;C/min. up to 450&