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Holley EFI Universal "Cut-to-Fit" spark plug wire sets for GM Ls Engines come with the spark plug terminal and boot installed with the Coil end unterminated. Coil cap boots and terminals are included so you can cut the wire to the desired length, ...

This Harness is required with HP or Dominator ECUs. Includes, 13' long, 10 AWG main power harness, Qty. (2) 3/8" ring terminals and shrink tube (not pictured) . The harness is fuse protected and covered in braided split loom for additional abras...

This harness connects to the (8) pin Metri-Pack Input/Output connector located in most Holley EFI main harnesses.Features: (8) Metri-Pack pins (4) Input Wires (4) Output Wires Assorted wire colors Specs: Brand: Holley EFI Category: Ignition Emi...

Dash bezels that are designed to work with the Holley EFI dashes. The bezels are made from a 5/32" thick UV-resistant ABS composite material. Structurally, these bezels are are as strong, or stronger than the OEM panels. The bezels come in a matte...

Introducing the Holley EFI single channel EGT modules, Exhaust Gas Temperature data is critical information when your engine tune up is on the ragged edge. Knowing the exhaust temperature can help you identify potential horsepower left on the tabl...

Introducing the Holley EFI Wiring Shop. We have one goal, to provide you a one stop solution for all of your wiring components needs. From connectors and pins to wire loom and tools! We have everything you need to build or service your Holley EFI ...

The new Holley EFI Hi-Ram intake provides the ultimate performance with the new GM direct injected Gen V 6.2L LT1 engine. The modular design of this manifold allows easy disassembly for custom porting, multiple tops, or custom induction systems. E...

The Holley EFI Injector Driver Harness comes pre-terminated with a J2B connector, for plug and play connectivity with your Dominator ECU. This harness is designed to be used with the "custom" staged injection strategy in Holley EFI V5 software. In...

7 Bar MAP Sensor used for boosted applications and high performance installations.Features: Stainless steel construction Comes with mating connector for custom configurations Linear voltage output of 0.5-4.5 volts 1/8-27 NPT Specs: Body Material:...

When switching your 1978-1987 Chevy El Camino and GMC Caballero to EFI, you will not find an easier way to upgrade your fuel system than our OE Style 350 LPH EFI Fuel Pump Modules. They are a direct replacement that fits your factory fuel tank so ...

Fits Holley Hi-Ram Manifolds-Holley has launched new black ceramic coated plenum tops to match our Hi-Ram manifold bases!They are available in the dual 4150 throttle body pattern or in a full blank top so that you can design your our system. The p...

Sniper EFI 2x4 kit comes with (2) heim joint rod ends, (1) left hand thread and (1) right hand thread, three universal rods, and the necessary nuts, washers and bolts, to get your 2x4 Sniper EFI Throttle Linkage adjusted properly on virtually any ...

HyperSpark distributors are plug and play with all Holley Sniper EFI systems, featuring a high-quality billet distributor housing, hall effect crank trigger sensor, and they come included with the foolproof patented clear installation cap.Hyperspa...

Can Extension Harness (for Racepak and other external CAN drives)Specs: Brand: Holley EFI Category: Air and Fuel Delivery Emission Code: 5 Harness Application: Universal Product Type: CAN Extension Harness Sub Category: Wire, Cable and Relat...

The factory fuel tank in 1974-1980 Dodge D-Series trucks is made from plastic, and it often cracks & deteriorates over time. Up to now, there have not been any replacement fuel tanks for these trucks. Holley Sniper made a replacement tank from...

This harness is designed to fit LS2/3/7+ engines from 1997-2012. The harness interfaces with 58x crank and 4x cam sensors. Harness is a perfect fit for installers wanting to mount the any Holley EFI ECU inside of the passenger compartment where it...