Fuel System / Carburettors

Holley Emulsion JetBlank Emulsion JetHO142-00142-00Replacement emulsion Jets for infinite tunability of the metering systems on the Ultra HP Carbur...

Holley Accelerator Pump Diaphragm50cc, Rubber, Petrol only, Suit Holley, Barry Grant, DemonHO135-7135-7Not recommended for alcohol based fuels.

Holley Vacuum Secondary DiaphragmHO135-4135-4Vacuum Secondary Diaphragm Carb Numbers 0-1849-50 0-3310 0-4452-1 0-4548 0-6520 0-6619 0-6909 -19-79-8...

Holley Vacuum Secondary DiaphragmSuit 0-1848-1, 0-3220, 0-6299-1, 0-8007 CarburettorsHO135-2135-2Vacuum Secondary Diaphragm Carburetor Numbers 0-18...

Replacement secondary fuel bowlShiny finish with side hung floats and provisions for a fuel transfer tube.HO134-105S134-105SReplacement secondary f...

Carburettor Air BleedSize 65, #10-32 UNF Thread (10-Pack)HO126-65-10126-65-10Air bleeds for the idle, intermediate and high speed circuits. 65=Jet ...

Single-Stage Power Valve STD Flow 9.5" Hg, Including GasketHO125-95125-95Holley Performance Products has been the undisputed leader in fuel systems...

Single-Stage Power Valve STD Flow 7.5" Hg, Including GasketHO125-75125-75Holley Performance Products has been the undisputed leader in fuel systems...

Single-Stage Power Valve STD Flow 6.5" Hg, Including GasketHO125-65125-65Holley Performance Products has been the undisputed leader in fuel systems...

Single-Stage Power Valve STD Flow 2.5" Hg, Including GasketHO125-25125-25Holley Performance Products has been the undisputed leader in fuel systems...

Single-Stage Power Valve STD Flow 10.5" Hg, Including GasketHO125-105125-105Holley Performance Products has been the undisputed leader in fuel syst...

Standard Main Jet #711/4-32" Thread, .0750" Hole Size (Pair)HO122-71122-71These metering orifices control fuel flow into the metering system. They ...

Standard Main Jet #661/4-32" Thread, .066" Hole Size (Pair)HO122-66122-66These metering orifices control fuel flow into the metering system. They a...

Standard Main Jet #631/4-32" Thread, .062" Hole Size (Pair)HO122-63122-63These metering orifices control fuel flow into the metering system. They a...

Standard Main Jet #621/4-32" Thread, .061" Hole Size (Pair)HO122-62122-62These metering orifices control fuel flow into the metering system. They a...

Standard Main Jet #601/4-32" Thread, .060" Hole Size (Pair)HO122-60122-60These metering orifices control fuel flow into the metering system. They a...

Standard Main Jet #571/4-32" Thread, .056" Hole Size (Pair)HO122-57122-57These metering orifices control fuel flow into the metering system. They a...

Standard Main Jet #531/4-32" Thread, .052" Hole Size (Pair)HO122-53122-53These metering orifices control fuel flow into the metering system. They a...

Accelerator Pump Discharge Nozzle 0.035" Hole Size Tube TypeIncluding 4 GasketsHO121-35121-35Holley Performance Products has been the undisputed le...

Accelerator Pump Discharge Nozzle 0.028" Hole Size Tube TypeIncluding 4 GasketsHO121-28121-28Holley Performance Products has been the undisputed le...

Center Hung Float Nitrophyl FloatHO116-3116-3Holley Performance Products has been the undisputed leader in fuel systems for over 100 years. Holley'...

Fuel Bowl GasketFits 2300, 4150/4160, 4500 Two Circuit Carburettors, Blue non stick, 2/pkgHO108-83-2108-83-2Features: Fits Holley Model 2300, Model...

Throttle Body Gasket 1.75"Models 4150/4160HO108-7108-7Throttle Body Gasket 1.75 in. x 1.75 in. Bore Size Model 4150 and Model 4160

Base GasketModels 4150/4160, 1-9/16" Throttle Bore, 1/4" ThickHO108-51108-51Features: Fits Holley Model 4150 and Model 4160 1 9/16" Throttle Bore 1...