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Shipping Available Worldwide  

Industry-Only Lifetime Warranty  

10% Discount for Military & First Responders

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LS Gen 4
Ovid, MI

Shipping Available Worldwide  

Industry-Only Lifetime Warranty  

10% Discount for Military & First Responders

Hours:

Request Lorem Epsom

Hero Request Form

Premium LS Gen 4 Swap Components

Building an LS Gen 4 swap requires quality components designed to work together seamlessly. At Swap Specialties in Ovid, MI, we provide LS Gen 4 harnesses, PCMs, fusebox kits, swap packages, parts, and accessories engineered to simplify installation and maximize reliability. Since 2016, we've helped builders, enthusiasts, and professionals complete successful engine swaps with products backed by 25 years of industry experience.


With more than 15,000 harnesses built and over 1.35 million horsepower tuned across 36 different platforms, we understand what it takes to support a dependable LS-powered build. Whether you're completing a custom project, upgrading a classic vehicle, or building a performance application, we have the products and expertise to help. Ready to get started? Contact us today to discuss your LS Gen 4 project.

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Why Choose Us

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Shipping Available Worldwide

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Industry-Only Lifetime Warranty

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10% Discount for Military & First Responders

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Over 15,000 Harnesses Made

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More Than 1.35 million HP Tuned

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25 Years of Experience

LS Gen 4 Harnesses and PCMs

Our custom LS Gen 4 harnesses and programmed PCMs are built specifically for your application. By eliminating unnecessary wiring while maintaining essential functionality, we help make installation simpler and more reliable. Every harness is backed by our industry-only lifetime warranty for added confidence.

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Here's what our satisfied customers are saying...

At Swap Specialties, we take pride in providing exceptional auto parts and accessories to our customers. We would be grateful if you could share your thoughts about our business with others. Your feedback helps us improve and helps others make informed decisions. Please take a moment to leave a review of Swap Specialties and let others know what you think.