• Top Street Performance LS Ignition Coil Relocation Harnesses - Ignition Coil Harness
  • Top Street Performance LS Ignition Coil Relocation Harnesses - front view - Ignition Coil Harness
  • Top Street Performance LS Ignition Coil Relocation Harnesses - side view - Ignition Coil Harness
  • Top Street Performance LS Ignition Coil Relocation Harnesses - close-up - Ignition Coil Harness
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Top Street Performance

LS Ignition Coil Relocation Harnesses

LS Ignition Coil Relocation Harnesses

SKU: 81024

$54.32
$54.32 $61.73
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In stock

Top Street Performance (TSP) is committed to providing high-quality performance parts while complying with emissions regulations. This product is designed for use on vehicles that comply with federal emissions regulations. It is the customer’s responsibility to verify that this part is legal for use in their state or local jurisdiction. Check with your local emissions authority before purchasing.

Product Details

Features

  • 12" relocation harness for LS coil-on-plug ignition wiring
  • Sold as a pair — covers all 8 coils on a full LS V8
  • Fits GM LS-based V8s (Gen III/IV) — 4.8L to 7.0L
  • Grey factory-style connectors for clean, dependable signal transfer

Description

This wiring harness relocates LS ignition coils while maintaining a clean, factory-style connection and dependable signal transfer. It's designed for LS-swap projects, coil relocation, and ignition harness service on Chevrolet small block V8 Gen III/IV (LS-based) engines.

This harness is sold as a pair — two 12" harnesses to accommodate all eight ignition coils on a full LS V8, one set per bank. Verify mounting style and ignition compatibility before installation.

Fits the Chevrolet small block V8 Gen III/IV (LS-based) family: 4.8L (293 in³), 5.3L (325 in³), 5.7L (346 in³, commonly called 350), 6.0L (364 in³), 6.2L (376 in³), and 7.0L (427 in³).


Applications
Fits Chevrolet small block V8 Gen III/IV (LS-based) engines: 4.8L, 5.3L, 5.7L (350), 6.0L, 6.2L, 7.0L. Common on LS-swap and custom LS ignition wiring, coil relocation projects, and LS ignition harness service and repair.

Coverage
Sold as a pair (2 harnesses) to accommodate all eight ignition coils on a full LS V8.

Sizing
12" length per harness, grey connectors.

Specs

Cable TypeIgnition Coil Assembly Wiring Harness
Connector ColorGrey
Quantity2
Wiring Harness Length12 in.

Engine Fitment

COMPATIBLE WITH
CHEVROLET SMALL BLOCK V8 GEN. III/IV (LS BASED)
• 4.8 L / 293 in3
• 5.3 L / 325 in3
• 5.7 L / 346 in3 commonly referred to as 350
• 6.0 L / 364 in3
• 6.2 L / 376 in3
• 7.0 L / 427 in3

NOTES
Sold as a pair to accommodate eight ignition coils.

COMMON VEHICLE APPLICATIONS
LS-swap and custom LS ignition wiring
Coil relocation projects on LS-based engines
LS ignition harness service and repair

Q&A

How many of these harnesses do I need for my LS engine?
None extra — this listing includes a pair of harnesses (2 total), which covers all eight ignition coils on a complete LS V8.

Will this fit a Gen I or Gen II small block Chevy?
No — this harness is designed for Gen III/IV LS-based engines with coil-on-plug ignition. Gen I/II Small Block and Big Block Chevrolet engines use distributor-based ignition and are not compatible.

What LS engines does this fit?
This harness fits the Chevrolet Gen III/IV LS-based Small Block V8 family, including 4.8L, 5.3L, 5.7L, 6.0L, 6.2L, and 7.0L applications.

How long is each harness?
Each harness measures 12 inches long.

What's this harness typically used for?
It's commonly used for LS swaps, custom ignition wiring, coil relocation projects, and LS ignition harness service or repair.

Emissions Notice

This product does not affect vehicle emissions and is not subject to emissions compliance regulations.