The Howell EFI LS-1 and Gen III/Vortec truck wiring harness is designed for manual or non-electronic transmission and includes mechanical throttle linkage. Options are available for emission connections or fan wiring.
The LS was almost purposely designed for engine swapping. Today, a fledgling industry is built around LS swapping and aftermarket parts vendors ready to support them.
Holley Performance Products and Hooker Headers have announced the release of its GM LS swap products for the popular 1973-87 2WD GM C-10/20 pickup trucks. It is important to use components that are designed to work together to ensure a trouble-free install.