Jolt Systems

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Jolt Systems Professional grade wire harness products built for high performance and extreme duty.
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From pro street to pro touring, we strive to build and install top quality wiring harnesses and electrical systems for specialty and high-performance automotive applications. From basic wiring kits to sophisticated EFI harnesses, we have you covered!

10/06/2026

We had an awesome time at Holley Ford Fest connecting with racers and colleagues, and showing people the exciting work that KPProformance has been bringing to market for the 6.2L Boss engine.

The weekend might be over, but we’ve still got more to share 👀

Ryan and Kyle got together to talk all things Ford 6.2L Boss.

Full video with KPP coming soon!

10/01/2026

We’re headed to Ford Fest
October 2–3! 🏁

Catch Jolt Systems at Beech Bend Raceway in Bowling Green with KPProformance. We’ll have our 6.2L Boss harness system on display, so stop by, check it out in person, and talk with us about your build! ⚡️

It was a great day to be out at Cordova Dragway for Day 3 of Hot Rod Magazine Drag Week. The rain held off, and it was ...
09/17/2026

It was a great day to be out at Cordova Dragway for Day 3 of Hot Rod Magazine Drag Week. The rain held off, and it was an awesome opportunity to connect with racers, race fans and colleagues in the industry.

This has been a year of many firsts. This was really our first experience with a full vendor setup on display, and we're extremely grateful for the engagement and interest we saw yesterday. From loyal customers showing love and appreciation, to people who had never even heard of us but were thoroughly impressed with the difference and quality of our products. We can't wait to get out and do even more.

Where should we go next?? Drop your favorite upcoming race events in the comments and let us know where you'd like to see us.

We’re headed to HOT ROD Drag Week!Jolt Systems will be set up as a vendor at Cordova Dragway on Wednesday, September 16....
09/11/2026

We’re headed to HOT ROD Drag Week!

Jolt Systems will be set up as a vendor at Cordova Dragway on Wednesday, September 16. We'll have some of our most popular products on display with special Drag Week pricing, so racers and spectators, if you need anything specifically, let us know ahead of time!

Otherwise, stop by the Jolt tent and say hi!

See you soon! ⚡

Upgraded EV1 Injector Harness for Holley EFI ⚡🔌A cleaner, professional upgrade geared specifically for high horsepower m...
08/28/2026

Upgraded EV1 Injector Harness for Holley EFI ⚡🔌

A cleaner, professional upgrade geared specifically for high horsepower methanol applications.

Built with genuine components and US-sourced 18awg TXL wire to properly handle the amperage of big-dog injectors such as AFIS, Billet Atomizer, Moran, FuelTech and others.

Injector circuits are fully protected with 90-degree boots for a clean and tight fit, providing an additional safeguard against harsh alcohol fuels.

🎥 Full video is live on YouTube! link in the comments 👇This Massey Ferguson 8470 was condemned because replacement wirin...
08/26/2026

🎥 Full video is live on YouTube! link in the comments 👇

This Massey Ferguson 8470 was condemned because replacement wiring harnesses were discontinued… so we fixed that.

Have a Massey Ferguson 8400 Series or another tractor you can’t find a replacement harness for? Reach out to us.

📧 [email protected]

08/19/2026

Another round of Godzilla coil harnesses coming together⚡ 🇺🇸 Built right here in the USA 💪

08/14/2026

Need to add a second wideband to your Holley Dominator? We’ve got you covered. ⚡

Our plug-and-play secondary wideband harness plugs directly into the J2A connector and works with both NTK and Bosch LSU4 sensors for Holley Dominator.

07/28/2026

Tired of injector harnesses that don’t fit? 😤

At Jolt Systems our injector harnesses are built with the right injector spacing for your application, so they route cleaner than semi-universal harnesses.

07/23/2026

We just launched the most advanced PWM controller on the market. ...

Address

5400 Hutton Drive
Urbana, IA
52345

Opening Hours

Monday 9am - 5pm
Tuesday 9am - 5pm
Wednesday 9am - 5pm
Thursday 9am - 5pm
Friday 9am - 5pm
Saturday 9am - 3pm

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