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Shipping Available Worldwide  

Industry-Only Lifetime Warranty  

10% Discount for Military & First Responders

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HEMI Harnesses and PCMs
Ovid, MI

Shipping Available Worldwide  

Industry-Only Lifetime Warranty  

10% Discount for Military & First Responders

Hours:

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Hero Request Form

Custom HEMI Harnesses and PCMs Built for Your Swap

Your HEMI swap project needs reliable wiring harnesses and PCMs that work seamlessly together. At Swap Specialties in Ovid, MI, we've built more than 15,000 harnesses and tuned over 1.35 million horsepower across 36 platforms. Our HEMI-specific solutions include:

  • Custom wiring harnesses designed for your application
  • Pre-programmed PCMs ready to install
  • Complete plug-and-play systems
  • Technical support throughout your build
  • Modifications for unique installations

From Ovid, MI to customers worldwide, we make sure your HEMI runs perfectly. Reach out to us to discuss your project requirements.

You Need Specialized Components for HEMI Swaps
HEMI engines require precise wiring and calibration to perform correctly in your vehicle. Generic solutions often lead to problems with sensors, transmission control, and engine timing. Drivers throughout Ovid, MI rely on our specialized components that address these challenges:
  • Proper integration with your vehicle's systems
  • Correct pin configurations for all connections
  • Calibrated tuning for your specific setup
  • Elimination of check engine lights
  • Smooth transmission shifting

After 25 years of perfecting these systems, you won't have to figure it out through trial and error. Our harnesses and PCMs work right the first time.
Why Choose Swap Specialties
Swap Specialties stands out as the only company offering completely custom wiring solutions backed by an industry-exclusive lifetime warranty. Founded in 2016, we've built our reputation on quality components made right here in the USA. When you choose us, you'll benefit from:
  • Lifetime warranty on every harness
  • Custom builds tailored to your vehicle
  • More than 1.35 million HP worth of tuning experience
  • Support for 36 different platforms
  • 10% discount for military and first responders
  • Store credit available for exchanges
  • Ability to order out-of-stock items

With shipping available worldwide, we're here to support your project no matter where you're located. You'll work directly with experienced technicians who understand HEMI swaps inside and out.
Contact Us

Ready to get your HEMI swap moving forward? Installing a modern HEMI in a classic muscle car or swapping one into a truck starts with the right harnesses and PCMs. In Ovid, MI, we'll walk you through the options and help you choose the right components for your specific application. Our team is here to answer your questions and provide the technical guidance that makes your build successful. Contact us today to place your order or discuss your project details.

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