Motorcycle Off-Road Harness comes with a U174 PTT connection. And also features and IMSA style male plug.

Motorola Radio to IMSA Helmet Kit coil cord w/ inline PTT.
ON Deck Driver:
This is a fantastic cord that allows endurance drivers to communicate with on track driver before getting in with helmet on.

Over The Wall Crew: (Keep your team members safe!)
Now hear and have full communications with team and still have protective helmets on!

Short (approx 3 feet) car harness for a NASCAR connection. This is perfect for a vehicle where you don't need a lot of cord hanging around.

Headset coil cord harness for spotter set ups. Just add PTT and radio jumper.

IMSA Short Car Harness (for open wheel or karting)

NASCAR Car harness: universal NASCAR

Motorcycle Harness with Coil Cord: Pro Universal OFFROAD racing harness with U174 PTT connection

Standard Car harness: IMSA universal to mobile and handheld radios

IMSA Car Harness Off Road Single Seat

True Universal car harness: IMSA, OFFROAD, PELTOR, COMP COMM