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...
HyperSpark Ready to Run adds plug and play ignition timing control to any Holley EFI system. This line of distributors comes with a built-in ignition coil driver, removing the need...
Remote Tuning Service for Holley EFI Dominator, HP & Terminator X ECUs 1 HOUR SESSION ONLY! This service usually serves as a follow up to a pre-existing tune session OR...
Holley EFI Remote Tuning Service for Dominator, HP & Terminator X/MAX ECUs - 2 Hour Session This service is an all inclusive remote tuning service for Holley ECUs. We will...
HOLLEY SNIPER 2 EFI - BLACK The #1 EFI conversion system just got better! Introducing Sniper 2 EFI - a self-tuning, easy-to-install, EFI conversion for common 4-barrel (4150 flange) style...
Have you been looking for a dash solution for your vehicle, but just cannot find anything you like or that is cost effective? No need to look any further as...
Take control of your LS engine with Terminator X Max! Don't settle for a junkyard ECU with a cumbersome tuning interface when you can have complete control of your engine,...