Two 12″ GM LS1 Oxygen O2 Sensor Extension Harnesses- 4 Wire Flat on wire clip connectors, power supply connectors, wire bolt connectors, wire block connectors, frame connectors, wire lock connectors, wire panel connectors, terminal connectors, wire jumper connectors, wire plug connectors, wire cage connectors, radio connectors, headlight connectors, wire rope connectors, wire ring connectors, relay connectors, wire nut connectors, wire post connectors, sensor connectors, wire connector kit,