gets you a simple and powerful way to wire all of the electrical systems in your naturally aspirated drag car. Using OEM-tested multiplexing technology and circuit protection technologies, you can streamline all of your wire harnesses.

The INFINITYWIRE Drag Car kit comes with everything that you’d need to wire a naturally aspirated car. It is pre-configured to control lighting, ignition system, starter solenoid, fuel pump, cooling fan, trans-brake, line-lock solenoid and two extra auxiliary functions. All of the wiring required to wire the car is included in the kit plus the primary fusing to protect the power feeds.

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Speedwire Systems


At Speedwire Systems, our goal and vision is to refine and simplify vehicle chassis electrical control and installations, helping our customers to build consistent and reliable race-winning vehicles.

Our products allow racers to spend their time on their race program rather than debugging electrical issues.

We don’t just build electrical control systems, we race them with proven records. Whether you are building a new vehicle or want to upgrade your existing electrical system, Speedwire Systems has the solution for all your wiring needs.

Check out our products, find a local authorized dealer, or contact us if you have any questions.

Vac Visual: Quick Guide to Vacuum Gauge Readings


Intake manifold vacuum is a key indicator of engine performance.

By measuring vacuum under different engine loads and conditions, you can track down problems within your engine and make the necessary adjustments or repairs. The key is having a reliable engine vacuum gauge and then knowing how to read it properly.

We’ve said it before, but an engine vacuum gauge is an extremely valuable tool. It’s so valuable, in fact, that OnAllCylinders contributor Lori Sams put together this visual cheat sheet to help you understand common gauge readings.

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