2x LSx Ignition Coil Extension Harness Relocation 24 LS1 LS2 LS3 LS6 LQ4 LM7
2x LSx Ignition Coil Extension Harness Relocation 24 LS1 LS2 LS3 LS6 LQ4 LM7 is a premium aftermarket wiring solution priced at $16.03. Features OE-matching Weatherpack connectors and 24-inch leads for easy coil relocation. Ideal for LS engine swaps and custom engine bay layouts requiring flexible ignition coil mounting.
● In stock
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Key features
- 24-inch extension length for flexible routing
- OE-spec Weatherpack connectors for plug-and-play fit
- Compatible with LS1 LS2 LS3 LS6 LQ4 LM7 up to 2013
- Hand-inspected for quality and continuity
- No splicing or modifications required
- Durable against heat, vibration, and moisture
- Set of 2 harnesses for full bank relocation
Pros
- +Exact OEM connector match ensures reliable fit
- +Saves time vs custom wiring or splicing
- +Affordable at $16.03 for a dual-pack set
- +Ideal for LS swaps and tight engine bays
- +High-quality insulation resists engine heat
Cons
- −Only 2 included; may need multiples for full V8
- −Not designed for post-2013 LS variants
- −Limited color options (typically black only)
About 2x LSx Ignition Coil Extension Harness Relocation 24 LS1 LS2 LS3 LS6 LQ4 LM7
What is 2x LSx Ignition Coil Extension Harness Relocation 24 LS1 LS2 LS3 LS6 LQ4 LM7?
The 2x LSx Ignition Coil Extension Harness Relocation 24 LS1 LS2 LS3 LS6 LQ4 LM7 is a set of two 24-inch extension harnesses designed to relocate ignition coil packs on GM LS-series engines. Compatible with LS1, LS2, LS3, LS6, LQ4, LM7, and all LSx-based engines up to 2013, these extensions enable cleaner engine bay builds and improved coil accessibility during swaps or performance upgrades. Built to original factory specifications, they ensure seamless integration with existing engine wiring.
Key features
- OEM-Spec Design — Matches factory LSx harness routing and electrical specs for reliable signal transmission.
- 24-Inch Length — Provides ample reach for relocating coils to custom or remote mounting positions.
- Weatherpack Connectors — Sealed, OE-style connectors ensure durable, moisture-resistant plug-and-play installation.
- Dual-Pack Set — Includes two extension harnesses for multi-coil setups or complete bank relocation.
- Hand-Inspected Quality — Each unit tested pre-shipment for continuity and build integrity.
- Easy Installation — No splicing or modifications required; connects directly to stock coils and harnesses.
- High Reliability — Engineered for stable performance under high-heat and vibration conditions.
Who is 2x LSx Ignition Coil Extension Harness Relocation 24 LS1 LS2 LS3 LS6 LQ4 LM7 for?
This harness set is ideal for DIY mechanics, hot rodders, and LS swap enthusiasts working on crate engine installations, custom builds, or engine bay restorations. It’s especially useful when coil-on-plug clearance is limited due to superchargers, valve covers, or tight hood lines. The plug-and-play design suits both novice and experienced installers.
How does 2x LSx Ignition Coil Extension Harness Relocation 24 LS1 LS2 LS3 LS6 LQ4 LM7 compare?
Unlike generic or shorter extension harnesses, this set uses authentic GM-spec Weatherpack connectors and 24-inch leads for superior compatibility and routing flexibility. Compared to DIY-spliced wires, it offers factory-level reliability without soldering. It outperforms basic aftermarket versions in durability and fitment accuracy, making it a preferred choice for professional and enthusiast-grade LS engine projects.
Best use cases
- →LS engine swaps in classic cars or trucks
- →Clearance for tall valve covers or intakes
- →Relocating coils in custom engine builds
- →Installing superchargers or hoods with low clearance
- →Restoring LS-powered vehicles with damaged harnesses
Is 2x LSx Ignition Coil Extension Harness Relocation 24 LS1 LS2 LS3 LS6 LQ4 LM7 right for you?
Buy this harness set if you're performing an LS engine swap or modifying an LS-powered vehicle where ignition coil clearance is an issue. Ideal for intermediate DIYers with basic wiring knowledge. No soldering needed—just unplug and extend. Consider additional sets if relocating all eight coils on a V8. Alternatives include custom-wired harnesses or shorter universal extensions, but these offer superior fit and reliability.
How it compares: Compared to generic extension wires, this LSx harness set offers OEM-grade connectors and longer 24-inch leads. It’s more reliable than splice-in kits and better suited for high-vibration environments than standard aftermarket harnesses.
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What engines are compatible with these LSx ignition coil extensions?
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These extensions fit all GM LSx engines including LS1, LS2, LS3, LS6, LQ4, and LM7 models up to 2013. They match factory harness specs for seamless integration without modification.
Do these extension harnesses require splicing or cutting?
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No, these are plug-and-play harnesses. They connect directly between the stock ECU harness and ignition coils using OEM-style Weatherpack connectors—no splicing or soldering needed.
How long are the LSx ignition coil extension harnesses?
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Each harness is 24 inches long, providing ample length to relocate ignition coils to remote or custom mounting positions while maintaining clean routing and signal integrity.
Are these ignition coil extensions weather-resistant?
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Yes, they use sealed Weatherpack connectors that resist moisture, dirt, and vibration—making them suitable for engine bays exposed to harsh conditions and long-term reliability.
Can I use these for a full LS V8 engine build?
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Yes, but note that this package includes only two harnesses. A full V8 requires eight coils, so you may need to purchase multiple sets for complete relocation.
How much does 2x LSx Ignition Coil Extension Harness Relocation 24 LS1 LS2 LS3 LS6 LQ4 LM7 cost?
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2x LSx Ignition Coil Extension Harness Relocation 24 LS1 LS2 LS3 LS6 LQ4 LM7 is $16.03 at Lab Work Auto. Prices may change — click through to Lab Work Auto for the latest.
Is 2x LSx Ignition Coil Extension Harness Relocation 24 LS1 LS2 LS3 LS6 LQ4 LM7 in stock at Lab Work Auto?
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Yes, 2x LSx Ignition Coil Extension Harness Relocation 24 LS1 LS2 LS3 LS6 LQ4 LM7 is currently in stock at Lab Work Auto.
Specifications
- SKU
- F8-011954