
Racing Radios
Antenna Kit 1-4 Wave MonoPole BNC Connector - Custom Length
$210.00
Antenna Kit 1/4 Wave MonoPole BNC Connector - Custom Length
Our easiest antenna to mount for your radio system with a BNC antenna adapter, the CAK-70-BNC antenna kit is a retractable 1/4 wave monopole antenna with built-in flexible wire ground plane. One of the beast features is the ability to retract fully (almost flush) or extend the antenna with no tools. This seems trivial unless you have ever broken an antenna mast with a car cover or during maintenance.
Antenna Kit 1/4 Wave MonoPole BNC Connector - Custom Length:
Manufacturer: Racing Radios
Manufacturer part number: CAK-70-BNC
Radio Connector: BNC (1/4 turn chrome barrel nut)
Cable Length: Choose 6/8/10/12/15 Foot
Antenna Style: Retractable 1/4 wave, self grounding
This is a special made item and will require a 1-2 day built time. This custom made part is non-returnable.

Racing Radios
Racing Radios IMSA Helmet Kit (Coil) – EZ Install
$210.00
Racing Radios 4/C IMSA Style Helmet Kit (Coil) – EZ Install
The Racing Radios 4-Conductor IMSA Coil Cord Helmet Kit is the ultimate plug-and-play solution for in-helmet communications in sports car racing. Designed for IMSA, SCCA, and Grand-Am drivers, this kit offers durability, flexibility, and easy installation—no drilling or complex wiring required.
Pro-Grade Helmet Kit With Quick, Clean Installation
The coiled IMSA cord offers freedom of movement while maintaining secure connections. With a built-in earpiece jack and noise-canceling mic, this is the go-to kit for racers who demand clear communication and minimal hassle.
Key Features:
Manufacturer: Racing Radios
Part Number: HKP-4C-EZ
Connector: IMSA 4-Conductor Coil Cord
Microphone: Mini noise-canceling mic
Includes installation kit and instructions
Velcro tab for earpiece positioning
Smart Design. Race-Ready Setup.
The EZ Install kit includes pre-connected cords for the earpiece and IMSA plug—just connect the microphone, secure it with the included Velcro tab, and you're ready to race. No shell modification required. This is the gold standard for in-helmet communication in endurance and road racing.
Get race-day ready with the trusted helmet communication solution from Racing Radios. Order the IMSA 4-Conductor Helmet Kit with Coil Cord today.
This is a custom-made item. Please allow extra time for delivery.

Racing Radios
Stilo to IMSA Adapter Cable w/ Driver ID (4C to 5C)
$205.00
Stilo to IMSA Adapter Cable w/ Driver ID (4C to 5C)
Connect your Stilo helmet to your IMSA driver ID radio systems where the car harness has a 5C driver id harness. This special Driver ID cable has a 5th conductor for the officials use to identify the driver in the vehicle. Each cable is custom built and has a special resistor with a four position micro-switch that is decoded to what driver is assigned to the vehicle, #1, #2, #3, #4.
Stilo to IMSA Adapter Cable w/ Driver ID (4C to 5C) Details:
Manufacturer: Racing Radios
Manufacturer part number: RRC-ST50
Helmet end: Stilo 4C
Chassis end: IMSA 5C (4C radio communications and 1C driver id)
Cord type: Coil
How do you change the assigned driver position from 1/2/3/4? Simply unthread the collar of on of the male ends and change the micro-switch to your assigned position.
This cable is used in the WeatherTech or Michelin Sportscar Challenge and other series that uses the driver ID system. This is a special cable because it is a 5C (red connector) and different than your standard IMCA connection found in your SCCA/NASA/PCA race car.

Racing Radios
Racing Radios Three Conductor (NASCAR) Radio Car Harness
$205.00
Racing Radios Three Conductor (NASCAR) Radio Car Harness
Three Conductor-Style (NASCAR) Radio Car Harness for Motorola Hand Held Radios. Fits Most Motorola two-pronged style radios like the CP200, BPR40, P1225, PR400 and GP300.
Racing Radios Three Conductor (NASCAR) Radio Car Harness Details:
Manufacturer: Racing Radios
Manufacturer part number: RCH-139020A
Helmet wiring protocol: NASCAR

Racing Radios
Racing Radios 4-C IMSA Helmet Kit (Coil Cord)
$200.00
Racing Radios 4/C IMSA Style Helmet Kit with Coil Cord
4 Conductor IMSA Coil Cord Helmet Kit By Racing Radios is used mostly in sports car racing - IMSA, NASA, ChampCar, SCCA, and more. The coiled cable allows the driver to have some movement with the helmet. Comes with 3.5mm earpiece connection and top of the line noise canceling microphone.
Racing Radios 4/C IMSA Helmet Kit with Coil Cord Details:
Manufacturer: Racing Radios
Manufacturer part number: HK4C-COIL
Coil cord: IMSA
Microphone: Mini noise cancelling
Instillation kit included: Yes
Instructions included: Yes

Racing Radios
Racing Radios Four Conductor (IMSA) In-Car Universal Harness
$200.00
Racing Radios Four Conductor (IMSA) In-Car Universal Harness
Universal 4 Conductor (IMSA) wiring radio car harness. Compatible with any handheld two-way radio. Requires proper adapter cable.
Also can be used to connect a Vertex VX3200U Base Unit Harness to and IMSA Helmet & Push To Talk

Racing Radios
Racing Radios 3-C NASCAR Helmet Kit (Coil)
$200.00
Racing Radios 3/C NASCAR Style Helmet Kit (Coil)
3/Conductor NASCAR Coil Cord By Racing Radios Allows the driver to have some movement with the helmet. The kit comes with 3.5mm earpiece connection and top of the line noise canceling microphone.
*Comes with installation instructions and mounting hardware*

Racing Radios
Racing Radios Four Conductor (IMSA) Drag Racing Radio Car Harness
$195.00
Racing Radios Four Conductor (IMSA) Drag Racing Radio Car Harness
Drag Racing Harness. 4 Conductor (IMSA) wiring. Provides louder volume, required to drive helmet speakers. Fits Most Motorola two-pronged style radios like the CP200, BPR40, P1225, PR400 and GP300.

Racing Radios
Racing Radios IMSA Car Harness for Motorola Handheld Radios
$175.00
Racing Radios Four Conductor (IMSA) Radio Car Harness
The Racing Radios Four Conductor IMSA-Style Car Harness connects your Motorola or SpeedCom handheld radio directly to your helmet and push-to-talk system. Designed for motorsports applications, it ensures reliable communication in high-noise environments where performance matters.
Universal Fit for Motorola & SpeedCom Radios
This professional-grade car harness is compatible with most Motorola two-pin handheld radios and SpeedCom MT and ST series units, making it a go-to solution for racers and teams who demand dependable audio clarity.
Key Features:
Helmet Connector: IMSA (4 Conductor)
Radio Connector: Motorola 2-pin—fits CP200, BPR40, P1225, PR400, GP300, SpeedCom MT & ST series
Push-To-Talk Connector: Universal 3-pin
Manufacturer: Racing Radios
Part Number: RCH-139010A-H
Purpose-Built for High-Noise Racing Environments
This IMSA harness links your handheld radio to your helmet and PTT system, providing seamless, low-interference communication—ideal for road racing, rally, and endurance competition. Trusted by professionals across disciplines, it delivers proven performance on and off the track.
Equip your racing team with the trusted standard in handheld radio communication. Order the Racing Radios Four Conductor (IMSA) Car Harness today.

Racing Radios
Racing Radios Three Conductor (NASCAR In-Car Racing Radio Car Harness
$175.00
Racing Radios Three Conductor (NASCAR In-Car Racing Radio Car Harness
If You Have a Base Unit Radio and Connect Through the Front Panel, this is your car harness. Racing Radios 4 Conductor (NASCAR) wiring in-car radio harness for Motorola mobile radios. Plugs directly into the FRONT microphone jack on Motorola mobile radios. Compatible with CM200, CM300, PM400, M1225 and CDM mobile radios.

Racing Radios
Racing Radios Motorola R7 Radio Headset Cable
$135.00
Racing Radios Motorola R7 Radio Headset Cable
Racing Radios Two-way Radio Headset Cable for Motorola MOTOTRBO R7 Radios. This premium headset cable connects a Motorola R7 radio to a Racing Radios two-way radio headset.Essential for pit crews, team members, and track officials, the adapter cable allows users to position the R7 portable radio on their belt (or other location) and use the connected Two-way headset's Push-to-Talk and noise-canceling microphone instead.
R7 Radio Connector.
5-pin Male Racing Radios Two-way radio Headset Connector
Coiled cable for flexible movement between headset and radio.

Racing Radios
Intercom Push To Talk Adapter Cable
$110.00
Intecom Push To Talk Adapter Cable
The Racing Radios IHA-PTT adapter cable is an adapter cable with a 3-pin female connector on each end to adapt any push to talk (PTT) switch to your Racing Radios intercom system, the IHA-PTT is rugged, durable and even better, made in the USA
Intecom Push To Talk Adapter Cable Details:
Manufacturer: Racing Radios
Manufacturer part number: IHA-PTT
Length: 24''
End 1: 3 pin female
End 2: 3 pin female
Intecom Push To Talk Adapter Cable Compatability:
All Racing Radios Intercom systems to PTT harness

Racing Radios
Racing Radios Motorola XPR 3000 Series Headset Cable
$95.00
Racing Radios Motorola XPR 3000 Series Headset Cable
Racing Radios Two-way Radio Headset Cable for Motorola XPR 3000 series. This premium headset cable connects a Motorola XPR 3000 Series radio to a Racing Radios two-way radio headset.Essential for pit crews, team members, and track officials, the adapter cable allows users to position the XPR portable radio on their belt (or other location) and use the connected Two-way headset's Push-to-Talk and noise-canceling microphone instead.
XPR 3000 Series Radio Connector.
5-pin Male Racing Radios Two-way radio Headset Connector.
Coil Cable for flexible movement between headset and radio.

Racing Radios
Racing Radios Motorola 3.5mm Two-Way Headset Cable
$85.00
Racing Radios Motorola 3.5mm Two-Way Headset Cable
FIts Motorola Hand Held Radios with a 3.5mm accessory jack.

Racing Radios
Racing Radios Motorola EX Series Two-Way Headset Cable
$85.00
Racing Radios Motorola EX Series Two-Way Headset Cable
FIts Motorola EX500 and EX600 Series Hand Held Radios

Racing Radios
Racing Radios Kenwood 2-Pin Headset Cable
$60.00
Racing Radios Kenwood 2-Pin Headset Cable
Connects Racing Radios two-way racing headsets to any Kenwood 2-pin radio