E
Emma S.
Verified Buyer
12/14/2025
Exactly what I needed
Easy to order and arrived quickly. Product matched the listing and works great.
EFI LS Main Harness to LS3-style MAP Sensor Adapter
$41.99
FREE delivery
Description
ABOUT THIS PRODUCT
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.Specifications
- Brand
- Holley EFI (770)
- SKU
- 558-416
- Product type
- Automotive
Guides & Resources
User Guide
Returns Policy
Shipping Information
Free shipping on all orders. Most items ship next business day after your order is placed.
Returns Policy
Returns are accepted when the product is in its original, unopened container. Contact us if you have questions about your order.
Customer Reviews
5.0
Based on 3 reviews
D
Dana H.
Verified Buyer
10/02/2025
Solid purchase
Quality feels premium and it fits my needs well.
A
Alex P.
Verified Buyer
01/09/2025
Fast shipping too
Impressed with the quality for the price. Will be back for more.
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