Performance Parts

Holley EFI fuel filters with built-in regulator provide a simple and clean means to fueling your LS swap. Available with OEM-style or -6AN connections, they feature an internal regulator set at 58 psi, along with an integrated 5 nominal micron rat...

These Holley EFI Smart Coils are a bolt-in ignition upgrade for your late model HEMI or Coyote engine. Here's the difference over a stock coil, they produce more spark energy while consuming less power without sacrificing voltage output. This mean...

This harness is designed for use with Terminator X and X Max ECU's Only.Specs: Brand: Holley EFI Category: Engine Crank Reluctor: 58x Emission Code: 4 Harness Application: Gen V LT Harness Application: LT Harness Type: Main Part Type: Engi...

2009+ Gen III Hemi engines rolled off the showroom floor with Variable Valve Timing (VVT). Now, both Terminator X and Terminator X Max ECUs will allow you to control and tune the VVT with the use of the plug and play VVT harness.Features: Plug and...

2009+ Gen III Hemi engines rolled off the showroom floor with Variable Valve Timing (VVT). Now, both Terminator X and Terminator X Max ECUs will allow you to control and tune the VVT with the use of the plug and play VVT harness. The fun does not ...

These Holley EFI Smart Coils are a bolt-in ignition upgrade for your late model HEMI or Coyote engine. Here's the difference over a stock coil, they produce more spark energy while consuming less power without sacrificing voltage output. This mean...

User can daisy chain as many gauges as they choose with all gauge data supplied through a one wire ECU connection. One plug and play gauge module is required per set of CAN gauges.Features: One module required per set of Holley EFI analog CAN gaug...

Holley EFI fuel kits are the perfect addition to your Sniper EFI or Holley EFI kit. They are engineered using Holley fuel pumps, regulators and filters coupled with quality Earl's plumbing to provide a fuel system tailored to the needs of your EFI...

Holley EFI fuel kits are the perfect addition to your Sniper EFI or Holley EFI kit. They are engineered using Holley fuel pumps, regulators and filters coupled with quality Earl's plumbing to provide a fuel system tailored to the needs of your EFI...

Holley EFI fuel kits are the perfect addition to your Terminator or Holley EFI kit. They are engineered using Holley fuel pumps, regulators and filters coupled with quality Earl's plumbing to provide a fuel system tailored to the needs of your Ter...

Holley EFI fuel kits are the perfect addition to your Terminator or Holley EFI kit. They are engineered using Holley fuel pumps, regulators and filters coupled with quality Earl's plumbing to provide a fuel system tailored to the needs of your Ter...

Holley EFI fuel kits are the perfect addition to your Sniper EFI or Holley EFI kit. They 're engineered using a Holley fuel filter coupled with quality Earl's Vapor Guard plumbing to provide a fuel system tailored to the needs of your EFI System. ...

Holley EFI fuel kits are the perfect addition to your Terminator or Holley EFI kit. They're engineered using Holley fuel pumps, regulators, and filters, coupled with quality Earl's plumbing to provide a fuel system tailored to the needs of your Te...

Holley EFI universal bypass fuel pressure regulators are for use with fuel systems in street or track applications. They feature adjustable base pressure from 15-90 psi, a gauge port, and a boost reference port as well. The regulators are ideal fo...

Holley EFI universal bypass fuel pressure regulators are for use with fuel systems in street or track applications. They feature adjustable base pressure from 15-90 psi, a gauge port, and a boost reference port as well. The regulators are ideal fo...

This direct fit fuel pump module will drop directly into any 1988-1998 GM C/K Series truck EFI fuel tank. The module has been designed with a 340 LPH (liters per hour) Sniper fuel pump that will support up to 700 EFI or 900 Carbureted horsepower (...

This direct fit fuel pump module will drop directly into any 1983-1997 Ford Mustang EFI fuel tank, designed with a 525 LPH (liters per hour) Holley fuel pump that will support up to 1200 EFI or 1450 Carbureted horsepower (HP Rating @ 60 PSI at 13....

These analog-style gauges are designed specifically for use with Holley EFI systems. They are compatible with all Terminator, HP, and Dominator ECU's, allowing them to be installed in a variety of Holley EFI equipped vehicles. CAN-bus communicatio...

Unlike the other Holley EFI gauges which daisy chain together, the fuel level gauge wires directly to the sending unit, eliminating the need for custom ECU configuration.Features: Wires directly to sending unit, programmable for factory and afterm...

Unlike the other Holley EFI gauges which daisy chain together, the fuel level gauge wires directly to the sending unit, eliminating the need for custom ECU configuration.Features: Wires directly to sending unit, programmable for factory and afterm...

Holley EFI fuel kits are the perfect addition to your Sniper EFI or Holley EFI kit. They are engineered using a Holley fuel filter coupled with quality Earl's Vapor Guard plumbing to provide a fuel system tailored to the needs of your EFI System. ...

Introducing a new Holley EFI DBW Throttle Body wiring harness for the OEM (Original Equipment Manufacturer) Ford Throttle Body commonly found on 2005-2010 Mustang GT's, and the GT500. This throttle body is also supported in Holley EFI V5 software ...

This harness is for fuel injected small block ford engines such as 5.0L or 5.8L Windsor powerplants. Plug and play ignition capability with Dual Sync and HyperSpark Distributors. The 5.0L Ford main harness is pre-terminated with Ford PWM IAC conne...

Crank signal conditioning module for HP, Dominator, and Terminator X ECU's. Requires Holley EFI V6 Build 300 or Terminator X V3 Build 100, or later.Specs: Brand: Holley EFI Category: Electrical, Lighting and Body Emission Code: 5 Harness Appli...