Holley EFI LS Main Harness to LS3-style MAP Sensor Adapter - 558-416 fuel-pressure-testers The addition of a secondary

The addition of a secondary metering block will allow you to fine tune your carburetor by utilizing replaceable main jets versus the fixed orifices found in a metering plate

Power Steering Pump Assembly

such as when using superchargers and/or nitro

Special Fitment Info: Direct Fit

25-inch mandrel-bent stainless steel tubing flowing into our exclusive Scavenger Series® X-pipe for maximum power and a deep unique tone

Holley EFI LS Main Harness to LS3-style MAP Sensor Adapter - 558-416 fuel-pressure-testers The addition of a secondaryOverview: 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