Holley EFI LS Main Harness to LS3-style MAP Sensor AdapterHolley 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.

stubby type design

Super Competition Sidemount headers deliver the most aggressive style and performance for your early Corvette

1/2"compression fitting installs onto a cut transmission cooler steel line therefore eliminating the need of re-flaring the end

Our over-sized spherical bearings are designed to withstand the rigors of street and track abuse

28 and M Series shocks and struts

Inside the CNC-machined billet housing is a polished stainless steel shaft that is supported with sealed ball bearing on the top and a long bushing on the bottom

these control arms also feature correct spring perches compatible with factory springs

5L Ecoboost engine and 2015-2017 Ford F-150 with 2

hardware and instructions for an easy installation you can do at home

Big Block cars

clamp and special fuel filter and connect to carb

Perfect for GM owners who value reliability and simplicity