GP XTREME D2S/D2R/D2C HID Xenon Replacement Ballast Kit Conversion One Side 2001-2004 Acura CL Contents: 1 Premium AC Ballast / 1 D2 Adapter / 1 D2 Wiring Harness Note: This is an aftermarket ballast replacement kit that saves you the cost of an expensive OEM Ballast Important: This kit will replace one side. If you need both sides replaced please purchase another set. We sell D2 Replacement Bulbs As Well. HID Products come with a 1 year warranty!