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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 ...

Carburettor Throttle Plate KitThrottle Plate Kit 2" Plate Dia. without HoleHO26-10026-100Holley Performance Products has been the undisputed leader...

Carburettor Throttle Secondary Connecting RodMechanical Secondary Throttle Connecting Rod for Model 4150 & Model 4010HO20-5420-54Holley Perform...

Carburettor Throttle Shaft Service KitsHolley Throttle Shaft Service Kits w/ Ford A/T Kickdown Lever Suit 1850 CarburettorHO20-48-120-48-1Adds the ...

Diaphragm Housing CoverSuit Holley With 2 x 4BBL ApplicationHO20-2820-28Cover-Diaphragm Housing To Balanace Secondary Operations On a 2 x 4 bbl. Ap...

Discharge Nozzle Screw - HallowDesigned For Nozzle Size .040" & UpHO121-7121-7Holley Performance Products has been the undisputed leader in fue...

Fuel Inlet Plug, Steel, 7/8"-20HO26-18-226-18-2Holley Performance Products has been the undisputed leader in fuel systems for over 100 years. Holle...

Fuel Inlet Screen FilterFor Use with Square BowlsHO26-14126-141Holley Performance Products has been the undisputed leader in fuel systems for over ...

Fuel Transfer Tube Carburettor Model, Suit 4160HO26-11526-115Holley Performance Products has been the undisputed leader in fuel systems for over 10...

Fuel Transfer Tube For Carburettor Model 4165HO26-11626-116Holley Performance Products has been the undisputed leader in fuel systems for over 100 ...

Fuel Transfer Tube For Carburettor Models 4150 & 4175HO26-11426-114Holley Performance Products has been the undisputed leader in fuel systems f...

Holley 50cc Accelerator Pump Conversion KitHO20-1120-11Holley 50cc conversion kit. Includes New Pump Housing, Stud, Arm, Diaphragm, Spring, Longer ...

Holley Fuel Transfer Tube O-RingFor Old Style Transfer Tubes. 2 Per PackageHO26-3726-37Features Transfer Tube Seal Replacement Viton Seal Works on ...

Holley HP Main Body Retro Fit KitSuit Holley Double Pumper Carb Part Numbers 0-4777 & 0-4779 - Shiny FinishHO134-300S134-300SThis retrofit main...

Holley Metering Block Conversion KitDesigned for 4160 carburettors with center hung float bowls onlyHO34-1334-13No Provision For Power Valve Allows...

Holley Quickchange Vacuum Secondary Diaphragm Housing CoverHO20-5920-59Allows You To Change The Secondary Diaphragm Spring Without Disturbing The D...

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

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 Diaphragm Spring KitHO20-1320-13Kit Includes 7 Different Vacuum diaphragm Springs

Idle Mixture Screw, Large Head StyleHO26-10126-101Holley Performance Products has been the undisputed leader in fuel systems for over 100 years. Ho...

Metering Block Conversion Kit, Model 4160 To 4150HO34-634-6Metering Block Standard Finish PN (0-1850C) Or Most Any Model 4160 w/Side Hung Float Bow...

Metering Block Main Well Plug, 10 pkHO26-111-1026-111-10Holley Performance Products has been the undisputed leader in fuel systems for over 100 yea...

Microswitch BracketSuit Holley Ultra HP CarburettorsHO20-13020-130Holley Performance Products has been the undisputed leader in fuel systems for ov...

Secondary Metering PlateMain Hole .081", Idle Hole .040"HO134-21134-21Secondary Metering Plate Main Hole 0.081 Idle Hole 0.040