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Do you need to refurbish your tired Holley carburetor? A Holley Renew kit brings your carb back to original specs and like-new condition! These carburetor Renew kits from Holley come complete with all of the necessary gaskets, O-rings, pump diaphragm(s), needle and seat(s), power valve(s), detailed instructions, and hardware for a complete rebuild. When a Renew is in order, trust Holley to do it right!
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Holley USB cables are sealed against dirty environments. These connector cables are designed to fit select Holley EFI systems. If your system's ECU is mounted in not-so-clean areas, use Holley sealed USB cables.
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Holley carburetor bypass style fuel pressure regulators are designed for systems that require a return line back to the tank. They're used for carbureted applications only, and are preset at 7 psi. The regulators are made of aluminum and feature a natural or black finish.
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$81.09
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Holley Mighty Mite electric fuel pumps are small in size, but BIG on performance! They are quiet, easy to install, and work with gas, diesel, blended alcohol, and E85. The pumps use a standard 12 V power source; while a reliable solid-state design provides longer life. Mighty Mites have a simple 2-wire hookup, are self-priming and regulating, and deliver super-quiet operation at only 65 dB! They are 12 in. dry lift capable and great for carbureted trucks, cars, generators, and agricultural equipment. You can also use them as transfer pumps!
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Holley Sniper EFI HyperSpark ignition coils are the perfect ignition upgrade to complement your Sniper EFI installation. This high-output coil produces 135mJ of spark energy when used with the HyperSpark ignition box, ensuring complete combustion. The ignition coil comes self-contained in its own mounting bracket, and mounting hardware is provided to facilitate installation. Holley Sniper EFI HyperSpark ignition coil features: * Works with Sniper EFI for easy plug-and-play installation * Ignition coil connector removes any doubt of loose connections at the ignition coil * Integrated ignition coil bracket simplifies mounting ignition coil
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Holley gasoline carburetor jet assortment kits are the professional way to track-tune your Holley carburetor for top performance. They consist of two each in different jet sizes. The jets are contained in either a plastic case or aluminum plate that are designed to keep them separated and make them easily accessible.
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Holley adjustable fuel injection regulators are able to provide all of the fuel pressure that your high performance, fuel injected vehicle will require. They utilize a special wave spring to maintain constant fuel pressure. Some models are universal fit, while others are designed for specific vehicle applications. The regulators are available for inline or fuel rail mount, with various psi ranges. Select the adjustable unit tailored to your driving needs.
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Holley Sniper 2 EFI input/output wiring harnesses give you access to two ground trigger inputs, two ground trigger outputs, the points output, tachometer output, and digital gauge output wires. The input grounds can be used for things such as AC Kick and nitrous stage activation. The output grounds can be used for electronic fan control, or A/C shutdown at WOT. This harness includes an additional 0-5 V TPS output commonly used for transmission control units, and a tach output wire to drive most common aftermarket tachometers. Additional details: * Wires come individually labeled for easy identification * 4 x 5 ft. long output wires * 2 x 5 ft. long input wires
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Holley EFI GM-style fuel filters have a built-in regulator to 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 rated filter. The bypass design allows you to run one inlet with one outlet to the engine, and a return outlet back to the tank. Holley EFI fuel filter regulators are ideal when performing a LS engine swap or any other fuel injection swap that is designed to run at 58 psi of static pressure. Choose the fuel filter/regulator with the proper connections for your vehicle. Features: * All stainless-steel construction for improved corrosion resistance * Designed with one inlet, one outlet, and one return * Fixed pressure at 58 psi * Nominal micron rating: 5 * Can be used with other EFI systems that require 58 psi * Not recommended with fuel pumps that flow over 450 lph * Return line required for proper regulator operation
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Holley Coil-Near-Plug smart ignition coils are designed for use with Holley HP and Dominator ECUs, as well other EFI systems that can drive "smart" ignition coils. Although they are engineered for high-powered race applications, they can be used on street-driven vehicles, as well. They are available individually (includes mating connector and pins) or in kits that include everything you need to upgrade your ignition. Additional tech specs: * Peak voltage: 44,000 V * Peak output: 102 Mj * Maximum battery voltage: 17.0 V * Kits include coils, sub-harnesses, connectors, wires, and a wiring loom Note: Upgrading a non-coil-near-plug main harness requires HLY-558-307 Holley universal coil-on-plug harness, sold separately, to complete the installation.
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Holley offers a selection of both dedicated and universal-style fuel lines for their carburetors. Hard lines are chrome plated and double flared at the outlets. Braided stainless steel lines offer premium features such as rugged billet-style construction and AN aluminum fittings.
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Holley EFI Terminator X fuel injectors feature a precision lapped disc valve, high-quality brass windings, and high-temperature O-rings. These injectors provide excellent linearity with no discernible "bounce" at low pulse widths as commonly found in other injectors. With a wide variety of fuel flow offerings from 42 lb./hr. to 220 lb./hr. you are sure to find an injector that matches your non-emissions-controlled application. Holley EFI Terminator X fuel injectors can also be used with any ECU that utilize high-impedance fuel injector drivers. Features: * PICO/EV6-style performance injectors are sold individually or in a set of 8 * High impedance for use with saturated drivers * Rated injector flow 220 lb./hr. at 43 psi of base fuel pressure * USCAR injector connector * 40mm O-ring to O-ring length * Compatible with many OEM LS intake manifolds * Easy to install in any Holley EFI Hi-Ram intake, using Holley fuel rail adapter kit
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Holley replacement idle air control motors will fit your Holley and Sniper fuel injection systems without any modifications. Designed to be plug-and-play for easy replacement and like-new operation. Order the correct valve for your application today.
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Holley Commander 950 air temperature sensors are designed as direct replacements for those in your Commander 950 fuel injection system. They screw into the intake plenum.
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Holley main power ignition harnesses are designed for use with your Holly EFI systems. These wiring harnesses work with other Holley components to correctly configure your EFI system.
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Holley fuel bowl gaskets are designed to replace your standard fuel bowl gaskets. They transform jet changing into an easy process with no worries of ripped gaskets.
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Holley cast aluminum timing covers offer a durable upgrade to the plastic OEM timing chain covers on 1996-up Vortec small block Chevy engines. These aluminum covers feature timing indicators molded into the body and are available with a natural cast or satin black finish. A quality gasket and E-coated mounting hardware for added corrosion resistance are included. Holley cast aluminum timing cover features include: * Available for EFI (with crank sensor provisions) and carbureted applications (without crank sensor provision) * Includes over-molded FKM oil seal, virtually eliminating concerns of the seal spinning out at high temperatures, which is common with other aluminum timing covers * Accommodates both stock and aftermarket water pumps
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Holley EFI Stealth 4150 fuel logs provide ample clearance between the fuel hose, and the TPS sensor mounted on the side of the throttle body. For use with either Sniper EFI Stealth 4150 or Terminator X Stealth 4150 systems, these fuel crossovers are easy to install, with their -6 AN male inlet that connects to your existing fuel system. They come pre-assembled by Holley to ensure a leak-free installation.
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Holley electric choke conversion kits can be used to convert Holley carburetors originally equipped with either a hot air or hand-operated choke into a fully automatic operation.
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Get your carburetor running like-new for long lasting performance. Holley carburetor rebuild kits include every part you need to bring your Holley carb back to its original condition. Each kit contains: * Gaskets * Pump diaphragms * Needle(s) and seat(s) * Power valve float gauges * Detailed instructions
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On Sale
Holley offers analog fuel pressure gauges in a variety of diameters, styles, fittings, and standard or liquid-filled versions. They feature classic faces and chrome or black bezels, depending on the model. Now you can monitor your fuel density in retro style with a Holley analog fuel pressure gauge!
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Holley Terminator X wideband adapter harnesses are intended to be used as service components for your Terminator X EFI installation. The Terminator X ECU (electronic control unit) features real-time fuel learn, high impedance injector drivers, an integrated 1bar MAP sensor, and 4 programmable inputs and outputs. The inputs and outputs are ideal for electric fans, boost control solenoids, or progressive nitrous control. The Terminator X Max ECU features real-time fuel learn, high impedance injector drivers, an integrated 1bar MAP sensor, electronic transmission control, drive-by-wire throttle body control, and 4 programmable inputs and outputs. The inputs and outputs are ideal for electric fans, boost control solenoids, progressive nitrous control, and much more. This is the wideband adapter harness only.
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$62.55
On Sale
Holley split wire looms direct from the Holley EFI Wiring Shop. These are high-quality TechFlex F6 black nylon braided split looms they utilize on their main harnesses. They are available in two lengths and a range of diameters from 1/8 in. to 2 in. to build or service your Holley EFI-powered machine.
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New for the Holley Sniper EFI product line is a factory replacement Sniper EFI canister-style ignition coil. This ignition coil is potted with a premium-grade epoxy, making it perfect for high-vibration environments—and it can be mounted in any direction, even if it's horizontal, vertical, or upside down. "No oil" means "no failure" for multiple mounting positions. The Sniper EFI canister coil is perfect for anyone wanting to upgrade their ignition system, while maintaining a factory look under the hood. Features: * Metal canister is epoxy filled to protect the internal coil windings from high-vibration applications * Improved output coil for electronic ignitions, and MSD ignitions (ballast resistor required for points) * 100:1 turns ratio and lower primary resistance produce high-voltage output
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