
Racing Radios
Racing Radios Pro CAR DPi Transponder Interface Cable
$320.00
Racing Radios Pro CAR DPi Transponder Interface Cable
Racing Radios replacement interface cable for MYLAPS Pro CAR DPI transponders. This is identical to the interface cable that comes in all Pro Car DP-i transponder kits.
Racing Radios Pro CAR DPi Transponder Interface Cable Details:
Manufacturer: Racing Radios
Manufacturer part number: DPI-PRO-INT-C
Cable Length: 12ft
Power Wires: Yes
Fits AMB/MYLAPS 10R038 DPI Transponders: Yes
Fits AMB/MyLaps X2 Auto Transponders: No
Fits AMB/MyLaps X2 Kart Transponders: No
Matches Cable Included with all MYLAPS Pro CAR DPI transponder kits: Yes
Fits Old Red Auto or Old Yellow Kart AMB Mylaps Transponders: No
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Racing Radios has made this replacement harness for when the original MYLAPS Pro Car DPi harness has been damaged. This is usually a very rugged item and never replaced, but if your pit stops win or lose a race, sometimes a technician may get their radio belt caught on it. Easy to remove and install, this Racing Radios for MYLAPS Pro Car DPi interface harness is ready for your next track event, even the 24 Hours of LeMans.
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Racing Radios
Racing Radios Four Conductor (IMSA) Radio Car Harness Kenwood
$290.00
Racing Radios Four Conductor (IMSA) Radio Car Harness Kenwood
Fitting all Kenwood handheld radios with a two pin connection, this Four Conductor-Style (IMSA) Radio Car Harness By Racing Radios connects your Kenwood radio to your IMSA (4C) helmet and PTT. Fitting all modern Kenwood handheld radios (2 male pins, one larger in diameter and longer, the other smaller in length and diameter) this Racing Radios car harness is ready for years of trouble free communications.
This is the IMSA harness that goes from your Kenwood 2 pin handheld (walkie talkie style) to your IMSA (4C) helmet with a push-to-talk connection.
Racing Radios Four Conductor (IMSA) Radio Car Harness Kenwood Details:
Manufacturer: Racing Radios
Manufacturer part number: RCH-KEN
Helmet End: IMSA (4 Conductor)
Radio End: Kenwood 2 pin
Push To Talk Connection: Universal 3 pin
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Racing Radios
Racing Radios Two-Way Headset Premium Blue
$275.00
Racing Radios Two-Way Headset Premium
The new Racing Radios Premium Two-Way Radio Headset features a flex boom noise-canceling microphone, premium comfort ear gels and an incorporated scanner jack on the left ear-cup that enables you to plug an additional audio source. Built for professionals with high-quality components for maximum reliability and durability.
Racing Radios Two-Way Headset Premium Details:
Manufacturer: Racing Radios
Manufacturer part number: RRH-085-H
Color: Blue
Premium Flex Boom Noise-canceling Microphone
Premium Comfort Gel Ear Seals
Behind the head fit for maximum ear seal and noise reduction
Push-to-talk on the left ear cup
5-Pin Cable Connector on Right Ear Cup
Built-in scanner port on left ear-cup to plug in a scanner for a 2nd audio feed. (Headset cable for radio not included)
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Racing Radios
Racing Radios Three Conductor (NASCAR) Drag Racing Radio Car Harness
$260.00
Racing Radios Three Conductor (NASCAR) Drag Racing Radio Car Harness
Drag Racing Harness. 3 Conductor (NASCAR) 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 David Clark Velcro Push To Talk (PTT)
$250.00
Racing Radios David Clark Velcro Push To Talk (PTT)
Top Of The Line David Clark Push To Talk Switch By Racing Radios.Comes with fail safe backup microswitch. Velcro mount, trusted and dependable David Clark name.
Racing Radios David Clark Velcro Push To Talk (PTT) Details:
Manufacturer: Racing Radios
Manufacturer part number: RR-18216G-04
Steering wheel connection: Velcro
Harness connection: 3 Pin industry standard connection
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Racing Radios
Racing Radios Custom IMSA In-Car Racing Radio Car Harness (Rear)
$245.00
Racing Radios Custom IMSA In-Car Racing Radio Car Harness (Rear)In-Car Radio Car Harness By Racing Radios made to your specific lengths. 4 Conductor (IMSA) style wiring for Motorola mobile radios. Plugs directly into the REAR 16 pin accessory jack on Motorola mobile radios. Compatible with CM200, CM300, PM400, M1225 and CDM mobile radios. If you have a Motorola Base Unit Radio and connect through the rear 16 pin connector panel, this is the car harness you need. You can make custom lengths to fit your vehicle perfectly with no extra wires shoved behind the dash.Racing Radios Custom IMSA In-Car Racing Radio Car Harness (Rear) Details:
Manufacturer: Racing Radios
Manufacturer part number: RCH-10010-R-SP
This is a custom made part and requires 2 days build time

Racing Radios
Racing Radios MOTOTRBO Car Harness for Motorola XPR Base Units
$240.00
Designed specifically for Motorola MOTOTRBO XPR base unit radios, this Racing Radios in-car harness connects your driver’s IMSA helmet cable and push-to-talk (PTT) button directly to your radio's rear 16-pin port. Built for high-performance motorsport communication, it ensures seamless integration and reliable operation in demanding racing environments.
Racing Radios MOTOTRBO Car Harness For Base Unit
Purpose-Built for MOTOTRBO XPR Series Radios
This specialized harness features a rear 16-pin Motorola connector, splitting to a 4-conductor IMSA helmet plug and a standard 3-pin PTT barrel connector. It’s ideal for teams using a base-mounted Motorola MOTOTRBO XPR radio in the car.
Key Features:
Compatible with Motorola MOTOTRBO XPR base radios
Connects to radio via 16-pin rear panel port
Supports 4-conductor IMSA helmet cables
Includes 3-pin chrome barrel PTT connector
Clean, durable wiring with junction box for simplified installation
Specifications:
Manufacturer: Racing Radios
Part Number: RCH-XPR-M
Helmet Plug: IMSA 4-Conductor
PTT Plug: 3-Pin Chrome Barrel
Radio Plug: Motorola 16-Pin Rear Push-In
Harness Cable Lengths:
Junction Box: 3"
To 16-Pin Connector: 24"
To IMSA Helmet Connector: 60"
To PTT Connector: 84"
This is the ideal harness for any race car using a rear-mounted Motorola MOTOTRBO XPR base unit. Built to handle the rigors of racing, it delivers reliable communication when it matters most.

Racing Radios
Racing Radios Three Conductor (NASCAR) In-Car Racing Radio Car Harness (Rear)
$240.00
Racing Radios Three Conductor (NASCAR) In-Car Racing Radio Car Harness (Rear)
Racing Radios 3 Conductor (NASCAR) Wiring In-Car Radio Harness for Motorola mobile radios. Plugs directly into the REAR 16 pin accessory jack on Motorola mobile radios. Compatible with CM200, CM300, PM400, M1225 and CDM mobile radios. If you have a Motorola Base Unit Radio and connect through the rear 16 pin connector panel, this is your car harness. This is a custom built piece. Please allow 1-2 additional days before shipping.

Racing Radios
Racing Radios (IMSA) Car Harness Base Unit (Rear)
$235.00
Racing Radios Four Conductor (IMSA) In-Car Racing Radio Car Harness (Rear)
Racing Radios 4 Conductor (IMSA) wiring in-car radio harness for Motorola mobile radios. Plugs directly into the REAR 16 pin accessory jack on Motorola mobile radios. Compatible with CM200, CM300, PM400, M1225 and CDM mobile radios.
Racing Radios (IMSA) Car Harness Base Unit (Rear) Details:
Manufacturer: Racing Radios
Manufacturer part number: RCH-100010B-R
Helmet connection: IMSA 4 Conductor
PTT connection: 3 Pin chrome barrel connector
Radio connection: Motorolla 16 pin rear push-in
Racing Radios (IMSA) Car Harness Base Unit (Rear) Wiring Lengths:
Black junction box length: 3"
Black junction box to 16 Pin connector: 24"
Black Juction Box to IMSA Helmet connector: 60"
Black junction box to PTT: Connector: 84"
If you have a Motorola Base Unit Radio and connect through the rear 16 pin connector panel, this is your car harness.

Racing Radios
Racing Radios Thru-Hole Push To Talk (PTT)
$230.00
Racing Radios Thru-Hole Push To Talk (PTT)
Racing Radios Screw Mount PTT Switch. Custom made by the production team at Racing Radios, these push to talk switches are used by the top race teams around the world. Screw mount switch provides a secure mount and reliable connection.
Racing Radios Thru-Hole Push To Talk (PTT) Details:
Manufacturer: Racing Radios
Manufacturer part number: RPT-50
Minimum mount hole diameter: .48"
3 Pin industry standard connection

Racing Radios
Racing Radios Helmet Adapter IMSA TO 5C
$225.00
Racing Radios Helmet Adapter IMSA TO 5C
This Racing Radios helmet cable is used to connect a 4C IMSA racing helmet cable to a 5C with connection with Driver ID.
RACING RADIOS IMSA TO 5C ADAPTER DETAILS
4C Female (IMSA Wiring) to 5C Male
Built-in selectable Driver ID (detent switch)
Detent switch selectable for Driver ID one to five.
High-quality cabling and components
Adapts 4C racing helmet to 5C car harness/in-car connector.

Racing Radios
Racing Radios Helmet Adapter IMSA to 5/C
$225.00
Racing Radios Helmet Adapter IMSA to 5/C
When you're pushing limits on the track, precision isn't just important—it's everything. The Racing Radios Helmet Adapter IMSA to 5/C isn't just an adapter; it's your ticket to flawless in-car communication. Whether you're coordinating a pit stop or carving through an apex, this little gem ensures your message is as clear as your line.
Features That Make You Feel Like a Pro:
4/C Female to 5/C Male Adapter: Seamlessly bridges your 4/C IMSA racing helmet to your 5/C car harness. It's like finding that missing puzzle piece for your comms setup.
Selectable Driver ID: With a built-in detent switch, choose Driver IDs 1 through 5—ideal for multi-driver endurance races or pit crew efficiency.
Premium Cabling & Components: Built to endure the rigors of motorsport, this adapter won’t quit when you’re in the heat of competition.
Versatile Connectivity: Converts your trusty 4/C racing helmet into a 5/C car-ready setup, saving you from a costly helmet upgrade.
Feel the Difference on Track:
Imagine flying into a hairpin corner, your crew chief calling the perfect moment to brake. With this adapter, there’s zero interference, zero static—just the crystal-clear connection you need to shave precious seconds off your lap time. It’s not just a piece of gear; it’s peace of mind at 150 mph.
Specifications:
Compatibility: 4/C IMSA female wiring to 5/C male connection
Driver ID Options: 5 selectable positions (1–5)
Cable Quality: Racing-grade durability
Application: Perfect for endurance racing, multi-driver events, or anyone upgrading to a 5/C car harness
FAQs:
1. Can I use this adapter with any IMSA-wired helmet?Absolutely! If your helmet is wired for 4/C IMSA, this adapter is plug-and-play compatible.
2. What does the Driver ID feature do?The Driver ID feature allows your team to know exactly who’s in the car. No more guessing games when swapping drivers during endurance events.
3. Is this adapter durable enough for extreme racing conditions?Yes! With high-quality materials and robust design, it’s built to handle everything from bumpy tracks to rainy race days.
4. Will this work with my existing 5/C car harness?You bet. It’s specifically designed to convert 4/C IMSA helmets to pair with 5/C in-car systems seamlessly.
Your Next Best Move:
Don’t let communication failures slow you down. Equip yourself with the Racing Radios Helmet Adapter IMSA to 5/C and stay in sync with your crew, no matter the pace. Hit the apex of performance, safety, and teamwork—because every second counts.
🚦 Ready to gear up? Click Add to Cart now and get race-day-ready!

Racing Radios
Racing Radios Two-Way Headset with Over the Head Strap
$225.00
Racing Radios Two-Way Headset with Over the Head Strap
The Racing Radios classic styled over-the-head headset is reversible, so your microphone can cross over your left or right cheek. The single over the head style is perfect for crew chiefs that prefer not having the dual strap system (one on top and also across the back).
Racing Radios Two-Way Classic Headset Details:
Manufacturer: Racing Radios
Manufacturer part number: RRH158
5 pin cable connection
Additional audio input (3.5mm) jack
Push-To-Talk Switch PTT on Earcup
Noise-canceling adjustable microphone
Mounted on one of the earcups is a 3.5mm female jack for listen only through your ear cup speakers. This is most commonly used as a scanner in addition to your primary vehicle communications.

Racing Radios
Racing Radios Full-Custom Earbuds
$225.00
Racing Radios Full-Custom Earbuds
For reasons of hygiene and safety, this product is not eligible for return.
Designed with ultra-low noise transducers, Racing Radios Full-Custom driver earpieces plug directly into your helmet (equipped with a 3.5 mm jack, sold separately). The industry standard full-custom earpiece used by Racing Radios for over 30 years.
Send us your custom ear molds from your audiologist and we will make you a complete custom set of earpieces. You get to choose the colors and we take iy from there. Normal time from delivery to us to return to you is 2-4 weeks.
Discovery Parts Pro Tip: Choose red as your right and blue as your left to make them simple to install correctly (and they will also look cleaner).

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
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