EFI

Finding the right electronic fuel injection system for your vehicle can be a challenge—different setups demand different solutions. Your engine, your performance goals, and your budget are all important factors […]

Simply put, electronic fuel injection (EFI) is a system that delivers or injects fuel into an engine’s induction system or directly to the engine combustion chambers. An improvement over a […]

Starting in the early 1980s, the mass adoption of modern electronic fuel injection systems was a watershed moment in the history of automotive engineering. While fuel injection had certainly been […]

Even some diehard gearheads don’t give much thought to fuel injectors. They plug ’em in and, as long as the engine runs, that’s the end of the story. Yet you […]

It has been said, over and over again, that there is NO replacement for displacement. A time-honored tradition, generations of gearheads have always embraced this bigger-is-better theme. What this simple […]

Precise fuel pressure is really, really important to a healthy electronic fuel injection system, yet it’s an often overlooked and misunderstood topic. And that’s why we wanted to share this […]

When the Sniper 2 EFI system broke cover last summer, it was an evolution of Holley’s popular throttle body electronic fuel injection conversion kits—offering plenty of refinement and enhancements over […]

Modern engine swaps are incredibly popular. But whether it is an LS, Gen. V LT, Coyote, or Hellcat, these engines have a serious appetite for fuel. Feeding one requires a […]

Holley upped the ante on fuel injection swap kits with its newly redesigned Sniper 2 Self-Tuning Throttle Body EFI system. And while we recently wrote an entire in-depth article on […]

When Holley introduced its Sniper Throttle Body EFI system back in 2015, it was a game-changing moment in the history of fuel injection conversion kits. The Sniper offered a straightforward […]