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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...

Holley's Sniper Stealth 4150 Master Kit gives you carburetor styling but functions just like the Sniper! A 4150 stealth is a great way to upgrade your ride to fuel injection in a cost-efficient way with just 4 simple connections required. Take you...

The #1 Selling EFI conversion just got better…again! We are bundling some of our top-selling Sniper 2 packages and passing along a savings of up to $180! Available for small-block Chevrolet, Big-Block Chevrolet, and 8.2-inch deck small-block Ford ...

The #1 Selling EFI conversion just got better…again! We are bundling some of our top-selling Sniper 2 packages and passing along a savings of up to $180! Available for small-block Chevrolet, Big-Block Chevrolet, and 8.2-inch deck small-block Ford ...

The #1 Selling EFI conversion just got better…again! We are bundling some of our top-selling Sniper 2 packages and passing along a savings of up to $180! Available for small-block Chevrolet, Big-Block Chevrolet, and 8.2-inch deck small-block Ford ...

The #1 Selling EFI conversion just got better…again! We are bundling some of our top-selling Sniper 2 packages and passing along a savings of up to $180! Available for small-block Chevrolet, Big-Block Chevrolet, and 8.2-inch deck small-block Ford ...

The #1 Selling EFI conversion just got better…again! We are bundling some of our top-selling Sniper 2 packages and passing along a savings of up to $180! Available for small-block Chevrolet, Big-Block Chevrolet, and 8.2-inch deck small-block Ford ...

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...

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...

Using the Sniper EFI 2300 you can put an end to cold start issues, hesitations, vapor lock, and flooding on your Fairlanes, Galaxies, Falcons, Comets, F100s, Javelins, Rebels, Mustangs, Thunderbirds, Cougars and more. A Sniper kit is the #1 way to...

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...

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...

The #1 Selling EFI conversion just got better…again! We are bundling some of our top-selling Sniper 2 packages and passing along a savings of up to $180! Available for small-block Chevrolet, Big-Block Chevrolet, and 8.2-inch deck small-block Ford ...