About Us

Who we are...

We are Dragonfly Spec Racecraft, original home of Plug and Play harnesses for Toyota 4 cylinder engine swaps since the late 1990s. We are centrally located in South Florida where we have made and shipped harnesses around the world. 

Our knowledge, quality and customer service is top rated among our loyal customers.  Our lead tech Trevor Harris(GT Revva) is a frequent on boards like tercelonline.com and the customer feedback speaks for itself.

Why we do it?

As Toyota enthusiasts and car guys ourselves, we found that the only missing link between JDM engine swaps and North American market Toyota vehicles was a hassle-free plug-and-play wiring harness.  With that mission in mind, we decided to share our love of these motors with the world.


Why choose us?

  • Over 15 years experience designing and building plug-and-play harnesses for JDM Toyota 4 cylinder engines
  • Our customer base and feedback span the globe
  • One of the original pioneers of shipping worry-free plug-and-play harnesses globally
  • 3 to 5 days average turn around time
  • Our lead tech, Trevor Harris(GT Revva), has a reputation built over 15 years, that's second to none in the field. His name is synonymous with meticulous craftsmanship and true professionalism. He oversees all quality control and is available to field customer service queries for a personalized touch.