Availability
On Sale
Holley has fittings to adapt different sized fuel lines to bare Holley fuel bowls, as well as hose and banjo fittings for special applications.
( 106 )
$49.95
$22.39
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$49.95
On Sale
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 )
$38.13
$22.43
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$34.32
On Sale
Holley manifold plug and fitting kits allow two different styles of connections within one unit. They are offered to service your mid-mount accessory drive LT/LS, BBC, and SBC cooling manifolds. These genuine Holley fittings are constructed from aluminum and feature a chrome finish for longevity.
( 2 )
$43.69
$22.41
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$39.32
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 )
$39.50
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$52.25
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 )
$22.39
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$32.66
Holley 180-degree timed spark fittings install on the metering block of your Holley carburetor and allow you to provide vacuum for the operation of the distributor advance. They are manufactured from durable brass and easily thread into the secondary metering block or plate of your Holley carburetor.
( 2 )
$22.43
On Sale
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 )
$42.44
$21.73
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$38.67
On Sale
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 )
$36.14
$32.53
On Sale
Holley EGT bungs are quality replacement service parts designed exclusively for use with Holley's 8-Channel Exhaust Gas Temperature Monitoring kit (sold separately). Made from 316 stainless steel, these weldment bung fittings feature a built-in step—which keeps the bung held in place during the welding process, ensuring a perfect weld. They're sold individually or in multiple-piece count sets.
Not Yet Reviewed
$27.90
Holley reducers have been specifically designed to adapt two different size fittings. They are manufactured from durable brass and feature a natural finish. Available in different sizes, Holley fitting reducers make an excellent choice for connecting your fuel or other plumbing lines together.
( 9 )
$22.40
Holley fuel bowl plugs are designed to plug the open holes on your carburetor fuel bowls. They are manufactured from quality materials and come available in different thread sizes to match your specific carburetor.
( 5 )
$21.00
Holley's Terminator X and Terminator X Max give you complete control of your engine, self-learning fuel strategies, and the race-winning technology of Holley EFI at a budget-friendly price. To maintain the ultimate performance Holley also offers service parts. Holley Terminator X MAP sensor adapter sets are fittings for different vacuum hose diameters. They are identical to the ones supplied with all Terminator X or Terminator X Max EFI kits. The set includes 1/8 in., 3/16 in., and 1/4 in. hose barb adapters that will provide the same fit and function as the originals.
Not Yet Reviewed
$21.03
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
$29.69
On Sale
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.
( 171 )
$56.65
$50.95
On Sale
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 )
$34.45
$31.01
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$37.43
On Sale
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 )
$56.19
$30.90
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!
( 83 )
$45.32
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$55.85
$40.79
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$50.25
On Sale
Complete your Sniper EFI install with Holley's 1 in. drop air cleaner base to gain some extra underhood room and unleash the full potential of your new fuel injection system without modification! These bases are designed specifically for use with the Sniper EFI 4BBL throttle body and a 14 in. air cleaner element and lid. Each stamped steel base features a generous 1 in. drop with the necessary clearance bulges for use of the front mounted fuel inlets on the Sniper EFI unit. The air cleaner bases are available in your choice of a chrome or black powdercoat finish to best match your Sniper EFI unit. Additional details: * 1 in. drop base with necessary clearances for the use of your Sniper EFI 4BBl TBI's front mounted fuel inlets * Compatible with Holley Vapor Guard -6 90 degree to 3/8 in. (P/N 759166ERL) fittings * Designed for use with 14 in. diameter air cleaner filter elements * Stamped steel construction for improved durability
( 3 )
$31.84
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$41.41
$28.66
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$37.27
These Holley Pro-Jection service parts are available for today's most popular Pro-Jection kits. Whether you have an old analog or new digital system, we have the replacement parts for you. Map sensors, fuel injectors, oxygen sensors, extension cables, a variety of fittings and adapters, and many other parts are available to keep your Pro-Jection system operating efficiently.
( 2 )
$48.78
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