NASCAR 3-Conductor 3C Circle Track Road Race Car Harness is a Universal NASCAR car harness with 6 ft. helmet and push to talk leads. It's compatible with 3-Conductor 3C NASCAR wired helmet jack. This Rugged car harness features the Total Shield and has a rugged red molded 3C jack, tough high bend test wire, universal 5-pin radio connection, and standard 3-pin push to talk jack. Also includes a molded Y block and Total Shield RF blocking. Compatible with the Rugged Products: Helmet Kit: HK-NF, HK-NK-PI or HK-NFC, Push-to-Talk: PTT-HM, PTT-VM2, and Radio Jumper: CJ-KEN, CJ-KEN-XL, CJ-HX370, CJ-ICOM, CJ-MIDLAND, CJ-MOTO, CJ-TALK, CJ-VERT, and CJ-VERTB.