Truck / SUV
Jeep®
Restoration
Stock Replacement
Late Model Muscle
Tools
Gifts, Clothing, & More
Circle Track
Street Rod
Powersports
Paint & Body
Marine
Jr Dragster
Availability
On Sale
Holley EFI Fuel System Plumbing Kits
Holley EFI fuel system plumbing kits are the perfect complement to your Sniper EFI or Holley EFI kit. These plumbing assemblies are engineered using Holley fuel pumps, regulators, and filters—coupled with Earl's Performance plumbing, to provide a fuel system tailored to your vehicle's specific needs. Components vary, depending on the kit you select.
( 34 )
$255.95
—
$377.95
$230.35
—
$340.15
On Sale
Holley Fuel Bowl Fittings
These Holley fuel bowl fittings are an exact fit to ensure a perfect seal. An O-ring is included, so you won't have a fuel leak again.
( 38 )
$22.99
—
$32.53
On Sale
Holley MAP Sensor Port Plugs
Holley MAP sensor port plugs are milled from billet aluminum for strength, powdercoated for corrosion resistance, and include an O-ring for a tight seal. They're designed to eliminate LS3-style MAP sensors and work with most intake manifolds.
( 5 )
$37.04
$33.34
Holley Weld-On Fill Cap Kits
Holley weld-on fill cap kits include a cap CNC-machined from 6061-T6 billet aluminum with a bright, black anodized finish for great looks and corrosion protection. They're available with aluminum or steel weld bungs to match your application. Holley weld-on fill cap kit features include: * Allows for installation of a fill cap or inspection plug anywhere needed * Caps feature a laser-etched "Holley Equipped" logo * Easy-to-grip screw-on cap with O-ring seal and a 1.38 in. diameter opening * 1.950 in. O.D. / 1.400 in. I.D. weld bung * 1.810 in. diameter at the step of weld bung * 0.675 in. weld bung overall height * 0.570 in. height at the step of weld bung * 1 1/2-12 in. thread
( 3 )
$57.59
On Sale
Holley Roll Over Valves
Holley roll over valves are optional fittings designed for their in-tank retrofit fuel modules. Holley has made it easy to convert to an EFI fuel system, and to maintain safety by adding these valves to vent your fuel tank and prevent leaking in case of an accident or roll over. They are crafted from aluminum and black anodized for add durability.
( 1 )
$35.31
$31.78
Holley AN to Straight Cut O-Ring Fittings
Holley AN to straight cut O-ring fittings are great fuel pump accessories. They are hard anodized aluminum for wear and corrosion resistance--so your Holley fittings last longer!
( 4 )
$22.95
—
$33.48
Holley Fuel Rail Adapter Fittings
Holley fuel rail adapter fittings are designed to connect Holley fuel rails to a GM factory fuel line. They're machined from aluminum (black anodized) or steel (yellow dichromate), and are available in different sizes, angles, and attachment options.
( 3 )
$40.49
—
$53.55
On Sale
Holley Fuel Cell Vent Kits
Holley fuel cell vent kits keep fumes out by allowing cell to breathe out the vent port. The kits also help prevent fuel cell from being pressurized during use and while filing up. The fittings are anodized to prevent galling of threads and for added corrosion protection. Holley fuel cell vent kits are pump gas and E85 compatible. Complete kit contains: * 6 ft. of 10AN nylon braided hose * Fittings * Rollover valve * Bulkhead * Breather filter
Not Yet Reviewed
$152.95
$137.65
Holley Fuel Cell Return Fitting Kits
Holley fuel cell return fitting kits effectively route returning fuel below surface level, eliminating overhead splash. They also minimize erratic fuel pressures caused by turbulent flow and aeration of the fuel, thus keeping fuel pressure consistent. The kits include fitting, hose, and clamp. Features: * 10AN ORB port to 10AN male fitting made of 6061 T-6 aluminum * Anodized fitting prevents galling of threads and corrosion protection * Corrugated tube is flexible to route around foam to bottom of fuel cell * Pump gas and E85 compatible
Not Yet Reviewed
$30.43
On Sale
Holley Fuel Fittings
Holley has fittings to adapt different sized fuel lines to bare Holley fuel bowls, as well as hose and banjo fittings for special applications.
( 108 )
$28.71
On Sale
Holley Sniper EFI Stealth Fuel Crossover Kits
Holley Sniper EFI Stealth fuel crossover kits are designed to be used with either Sniper EFI Stealth 4150 or Terminator X Stealth 4150 systems. These pre-assembled fuel crossovers are designed to provide ample clearance between the fuel hose, and the TPS sensor mounted on the side of the throttle body. Available in two variations, both contain a braided fuel hose with crimp-on ends for a leak-free installation and two fuel bowl standoffs. One variation includes a T-fitting and the other a black anodized billet fuel regulator, preset to 58.5 psi, and a mounting bracket.
( 1 )
$130.95
—
$327.95
$117.85
—
$295.15
On Sale
Holley Terminator EFI Fuel System Plumbing Kits
Holley Terminator EFI fuel system plumbing kits provide everything needed for a complete supply fuel system for the Terminator EFI self-tuning engine management system. They are engineered using Holley electric fuel pumps, fuel pressure regulators, and fuel filters, coupled with quality Earl's hose, to provide a fuel system tailored to the needs of your Terminator EFI system. The systems are available with different fuel pumps and types of fuel hose, so you can choose what best fits your application. All Holley Terminator EFI fuel system plumbing kits feature quality Earl's anodized aluminum fittings to get the job done and look good, too.
( 10 )
$749.95
—
$1,449.95
$673.95
—
$1,303.95
Holley EFI Vacuum Manifolds
The Holley EFI vacuum manifold kit is designed for as a simple and clean solution for plumbing either vacuum or boost referenced sources. This manifold block features 12 1/8th NPT ports that can be plumbed with most common EFI transducers, such as the Holley 554-102 0-100 psi transducer. It also features two -6 O-ring boss AN ports, ensuring your manifold block has an excellent vacuum or boost reference source. Improve your engine bay organization by mounting all of your common pressure sources in one easy-to-access location! Product features: * Compatible with all transducers that utilize 1/8 NPT male threads and 7/8 in. or smaller body/hex diameter * 12 independent 1/8 NPT ports * Two -6 ORB ports * Improve engine bay organization by mounting transducers and/or vacuum lines all in one easy-to-reach location * Ideal for engines that require multiple vacuum/boost reference sources * 4 mounting holes designed for the use of 5/16 in. socket head cap hardware for secure and robust mounting * Crafted from 6061 aluminum * Anodized black for durability and laser-etched with the Holley EFI logo
Not Yet Reviewed
$75.05
On Sale
Holley Air Conditioner Compressor Manifolds
Holley offers air conditioner compressor manifolds in a variety of styles and finishes. These replacement line adapters are machined from aluminum or copper and will facilitate your A/C compressor hookup. Mounting hardware is included. Applications include vehicles with a GM LS engine.
( 8 )
$43.50
