Holley EFI LS Main Harness to LS3-style MAP Sensor Adapter
Holley EFI LS Main Harness to LS3-style MAP Sensor Adapter
Holley EFI LS Main Harness to LS3-style MAP Sensor Adapter
Holley EFI LS Main Harness to LS3-style MAP Sensor Adapter
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Holley EFI LS Main Harness to LS3-style MAP Sensor Adapter

Type: MAP Sensor

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Regular price $36.19
$45.24 Sale price $36.19 Regular price
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Holley EFI LS main harnesses have a MAP sensor connecter designed for use with an LS1/2 style MAP sensor. The 558-416 is an adapter harness that can be used to adapt any LS harness that uses an LS1/2 MAP sensor connection to an LS3 MAP. Also great for use with LS Hi-Ram intakes that require an LS3 MAP sensor.

Specs:

  • Brand: Holley EFI
  • Category: Air and Fuel Delivery
  • Connector Quantity: 2
  • Emission Code: 3
  • End 1 Connector Color: Black
  • End 2 Connector Color: Black
  • Grade Type: Performance
  • Harness Application: LSX
  • Harness Type: Auxiliary
  • Product Type: MAP Sensor

Tech Resources:

EFI selection chart

SKU:
558-416
Availability:
In stock
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Category:
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Important Notices
  • Off‑Road Use Only
    Products sold by JS Speed are intended for off‑road use and may be illegal on public roads where emissions or pollution‑control laws apply.
  • Check Local Laws
    Before purchasing or installing, verify all applicable local, state/provincial, and federal regulations to ensure the modification is legal in your area.
  • Professional Installation Recommended
    These parts should be installed by qualified professional mechanics. Improper installation can cause performance issues or vehicle damage. Unless a product page explicitly states otherwise, installation instructions are not included. Components are designed for users with solid mechanical knowledge, and minor adjustments or modifications may be required for proper fitment. Returns or refunds cannot be accepted due to difficulty completing an installation or the absence of instructions.
  • Warranty Impact
    Use of these parts may void your vehicle’s factory warranty. Confirm with your vehicle manufacturer before purchase and installation.
  • Limitation of Liability
    JS Speed is not responsible for damage, failures, or issues arising from the use or installation of these products.
  • Product Images
    Images are for illustration only and may differ from the actual product due to manufacturer updates or improvements.
  • No Performance Guarantees
    While these products are designed to enhance performance, JS Speed does not guarantee specific performance results.


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Holley EFI LS Main Harness to LS3-style MAP Sensor Adapter
Holley EFI LS Main Harness to LS3-style MAP Sensor Adapter
Regular price $36.19
$45.24 Sale price $36.19 Regular price