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This harness includes a switched 12V power wire, battery power and ground, fuel pump relay, coil - input wire, and HyperSpark distributor connector. This harness is braided split wire loom to keep the wires protected and your engine bay clean.Feat...

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 carburetors. We took everything that we learned from the original Sniper EFI system and...

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 carburetors. We took everything that we learned from the original Sniper EFI system and a...

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 carburetors. We took everything that we learned from the original Sniper EFI system and...

Wanting to convert your Dragster or Pro-street vehicle to Fuel Injection? Sniper, the #1 Fuel Injection Conversion system has you covered with the Stealth 4500. Featuring 8 100LB/HR Fuel Injectors this kit is the perfect option for any build looki...

This harness includes a switched 12V power wire, battery power and ground, fuel pump relay, coil - input wire, and HyperSpark distributor connector. This harness is braided split wire loom to keep the wires protected and your engine bay clean. Thi...

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 carburetors. We took everything that we learned from the original Sniper EFI system and...

Wanting to convert your Dragster or Pro-street vehicle to Fuel Injection? Sniper, the #1 Fuel Injection Conversion system has you covered with the Stealth 4500. Featuring 8 100LB/HR Fuel Injectors this kit is the perfect option for any build looki...

Are you tired of rebuilding the 50+ year old Rochester™ Quadrajet® (Q-Jet™) on your classic Chevrolet, GMC, Buick, Oldsmobile, or Pontiac? The Sniper EFI Quadrajet™ is here to help! The first bolt-on spreadbore electronic fuel injected throttle bo...

Eliminate restrictions, clear emissions-related codes, and unlock reliable off-road performance for your Sprinter. This DPF delete tuning is designed for 2013–2023 Mercedes Sprinter vans equipped with compatible Bosch ECUs, delivering improved dri...

ECM/TCM Unlocking, tuning and monitoring is now possible, right from the cab of your truck with the exciting release of Evolution CTS3 for 2020-2023 GM L5P Duramax. After the massive success of our EvoHT2 and Locksmith device, we now offer the sam...

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 carburetors. We took everything that we learned from the original Sniper EFI system and...

Let's face it, you love driving your classic car, but dread the hassles with your Rochester 2GC carburetor. Today's fuels are blended for modern fuel injection, not that old 2Jet carburetor from 50+ years ago.Holley makes it easy to convert your c...

Our HyperSpark kits were designed to make upgrading your ignition on a Sniper 1 EFI equipped engine simple. When installed along with a new Sniper 1 EFI system, the combination creates the easiest conversion to install on the market, with only fou...

Our HyperSpark kits were designed to make upgrading your ignition on a Sniper 1 EFI equipped engine simple. When installed along with a new Sniper 1 EFI system, the combination creates the easiest conversion to install on the market, with only fou...

Our HyperSpark kits were designed to make upgrading your ignition on a Sniper 1 EFI equipped engine simple. When installed along with a new Sniper 1 EFI system, the combination creates the easiest conversion to install on the market, with only fou...