LS Coil Extension Harness – 12” Plug-and-Play Ignition Coil Extension for LS Engines
Enhance your LS engine setup with this LS Coil Extension Harness, engineered for reliable, plug-and-play connectivity between your engine harness and remotely mounted ignition coils. Ideal for LS swaps, custom builds, and coil relocation projects, this extension provides the flexibility you need to achieve a clean, efficient engine bay layout — without sacrificing spark performance or durability.
Built to handle the demands of high-performance street builds and professional engine swaps, this harness ensures a consistent signal for strong, dependable ignition performance.
Key Features & Benefits
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12" Extension Length – Perfect for relocating ignition coils in tight engine bays or custom LS swap applications.
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Fits Gen 3 & Gen 4 LS Engines – Compatible with popular LS-based platforms, including LS1, LS2, LS3, LS6, and LS7 setups.
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OEM-Style Connectors – Provides a secure, factory-quality fit for quick, hassle-free installation.
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18 AWG TXL Automotive-Grade Wire – High-quality, heat and chemical-resistant wire ensures long-term reliability in extreme environments.
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Proudly Made in the U.S.A. – Built with premium materials and precision craftsmanship for lasting performance and durability.
Whether you're building a track-ready performance car or a show-quality LS swap, this 12-inch LS coil extension harness delivers the flexibility, reliability, and clean appearance your build deserves.
Upgrade your ignition setup today and enjoy a plug-and-play solution designed for enthusiasts who expect OEM-level fitment and professional-grade results.
