20" LS Coil Extension Harness Set – Remote Mount Ignition Coils
Take your LS swap or custom build to the next level with the 20-inch LS Coil Extension Harness Set, designed for remote-mounted ignition coils. This harness allows you to relocate coils off the valve covers for a cleaner engine bay, improved heat management, and professional-looking LS swap setups. Built with OEM-style connectors and durable 18 AWG TXL automotive-grade wire, this harness ensures consistent spark performance and long-term reliability in even the most demanding builds.
Whether you’re building a street car, race car, or show-quality LS swap, this harness set delivers flexibility, professional-grade quality, and a clean, organized engine bay.
Key Features & Benefits
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20" Harness Length – Provides plenty of reach for remote coil installations and custom LS setups.
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Compatible Coils: Fits D510C, D581, D514A, and D585 ignition coils.
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Not Compatible with D580 Ignition Coils – Ensures proper coil selection for reliable performance.
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Not Intended for Factory Valve Cover–Mounted Coils – Designed specifically for remote mount applications.
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OEM-Style Connectors – Secure, factory-quality connections for hassle-free installation and reliable performance.
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18 AWG TXL Wire – Heat-, oil-, and abrasion-resistant for durability under the hood.
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Proudly Made in the U.S.A. – Built with premium materials and craftsmanship for lasting performance.
Why Choose This LS Coil Harness Set
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Clean, Professional Engine Bay: Relocate coils off valve covers for a sleek, organized appearance.
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Reliable Ignition Performance: Maintains consistent spark for all high-performance LS engines.
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Custom Build Ready: Perfect for LS swaps, remote coil setups, racing, or show-quality builds.
Applications & Compatibility
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Engine Compatibility: LS engines with remote-mounted ignition coils
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Use Cases: LS swaps, custom builds, racing, engine bay cleanup
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Coil Compatibility: D510C, D581, D514A, D585 (Not compatible with D580)
