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 )
$18.99
—
$20.32
$17.09
—
$18.29
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 )
$16.78
—
$19.58
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 )
$18.18
Ever needed to install an oxygen sensor and couldn't figure out how to do it. Install it the easy way with these Holley weld-in oxygen sensor bungs. They're designed to be welded into any steel pipe and come with the proper threads for any OEM or aftermarket oxygen sensor.
( 7 )
$15.77
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 )
$13.96
—
$21.00
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 )
$10.99
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
On Sale
Some engine swaps and racing applications do not need the heater, but elimination of the heater is difficult on the 7.3-liter Godzilla engine since the hose inlet and outlet passages are tough to plug and look like a cobbled up mess using traditional hoses, clamps, and plugs. Holley Ford 7.3L Godzilla rear block plug kits include a machined steel billet plug with O-ring seal, mounting bracket, and retaining bolt to block off the rear port with a professional look. Features: * Works with Holley's front/heater block-off kit to block all cooling ports * The plug is designed to handle high pressure and high temperatures--typical conditions of the cooling system * Easy installation without the need to tap holes or fabricate special plugs and caps * Steel plug features a clear zinc-plated finish
Not Yet Reviewed
$19.49
$10.72
Holley fuel bowl inlet fitting gaskets will give you a perfect seal every time. They are available in steel or nylon and fit most standard Holley fuel bowls.
( 20 )
$12.66
Holley in-tank fuel lines are submersible in-tank hose kits designed for use with in-tank fuel pump applications. The kits consist of reinforced fuel hose.
( 5 )
$11.19
Holley's EGT caps are quality replacement service parts designed exclusively for use with Holley's 8-Channel Exhaust Gas Temperature Monitoring kits (sold separately). These EGT caps are made from 316 stainless steel and fit the Holley 1/4 in. EGT bung fittings, They're sold individually or as a set of eight.
Not Yet Reviewed
$19.99
Modal Header
Truck / SUV
Jeep®
Restoration
Stock Replacement
Late Model Muscle
Tools
Gifts, Clothing, & More
Circle Track
Street Rod
Powersports
Paint & Body
Marine
Jr Dragster
