Holley Performance

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...

Introducing Coyote Twin Independent Variable Cam Timing Control from Holley EFI! Do you have a coyote crate engine going in your dream car? Is your weekend road race warrior powered by a coyote junkyard engine with locked cams? Unlock the full pot...

The Simpson Supercoil racing suit is the ultimate in comfort, style, and performance. Designed and manufactured in the USA.Features: Designed and manufactured in Hawthorne, CA USA Embroidered logos and designs Lightweight Titanium Nomex® fa...

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 Holley has created a full-color touch screen dash that includes sensors for monitoring bas...

Keep the traditional look of a carburator but have the improvements of Holley EFI with an externally mounted ECU with our 4150. This is a stand alone system used with Terminator X and Terminator X Max (not included, throttle body only). Improve yo...

Keep the traditional look of a carburator but have the improvements of Holley EFI with an externally mounted ECU with our 4150. This is a stand alone system used with Terminator X and Terminator X Max (not included, throttle body only). Improve yo...

Keep the traditional look of a carburator but have the improvements of Holley EFI with an externally mounted ECU with our 4150. This is a stand alone system used with Terminator X and Terminator X Max (not included, throttle body only). Improve yo...

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

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 Kingsnake is the pinnacle of Simpson performance bold, ultra-aggressive evolution of the iconic Diamondback built for racers who demand every advantage. Featuring a wider field of view, optional photochromic visors*, and lightweight constructi...

If you're thinking of building either a high performance or race multi-point fuel Injection system for your engine, look no further than Holley for your throttle body. Holley offers a line of universal throttle bodies that range in sizes from 1000...

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...

Take your VP44 to a whole new level with Edge's Competition Juice, more RPM's, more fueling, and an all-new CTS3 color touchscreen display. Customers asked and we delivered with Power Level 7 and fueling up to 3600 RPMs you'll gain up to 150HP! ...

Take your VP44 to a whole new level with Edge's Competition Juice, more RPM's, more fueling, and an all-new CTS3 color touchscreen display. Customers asked and we delivered with Power Level 7 and fueling up to 3600 RPMs you'll gain up to 150HP! ...

Introducing the Holley EFI 8 Channel CANBus EGT Kit. Exhaust Gas Temperature data is critical information when your engine tune up is on the ragged edge. Knowing the exhaust temperature of each cylinder can help you identify potential horsepower l...

Take control of your 302ci Small Block Ford engine in your Fox Body Mustang with Holley EFI Terminator X system. Don't settle for the factory ECU with a cumbersome tuning interface or pre-programmed tuning chip when you can have complete control o...

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...

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...

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 cost-e...

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...

If you are piecing together your EFI system or suffered damage to your current throttle body, we have made it easier to get the parts you need. You no longer need to buy an entire EFI kit to get the service part you need to get back on the street ...