Holley EFI LS Main Harness to LS3-style MAP Sensor Adapter - 558-416 TBD and any Holley EFI HEMI

and any Holley EFI HEMI Main Harness connecting to the Power Tap and Input/Output connectors

Part Number: 717947

1966-1973 Ranchero

1973-1974 GMC C15/C1500 Pickup 250 CID

2005-2007 Ford F-250 Super Duty 415 CID

Holley EFI LS Main Harness to LS3-style MAP Sensor Adapter - 558-416 TBD and any Holley EFI HEMIOverview: 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. Features: Application: Year Make Model Submodel Engine Size Universal Specs: Brand Holley EFI Emission Code 3 Harness Application LSX