Carburetor

• Shiny Finish For Corrosion Resistance
• Optimized Street/Strip Calibration That Works Out Of The Box
• Electric Choke For Precise Cold Start Control
• Mechanical Secondaries For Awesome Tire Turning Performance
• Dual Accelerator Pumps For Add. Fuel Under Initial Acceleration
• Dual Feed Fuel Inlets For Constant High Volume Fuel Delivery
• Lightweight Vehicles w/Auto Trans w/High Stall/Low Gearing
• 100% Wet-Flow Tested To Assure It Arrives Ready To Run

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• Latest Technology In Air/Fuel Calibrations
• For Street Or Race Engine Demands
• Vacuum And Mechanical Secondary Versions
• Dual Inlet Fuel Bowls
• Sight Glass Windows For Easy Float Adj.
• Changeable Idle And High Speed Air Bleeds
• Four-Corner Idle Adjustment
• Street/Racing Models Incl. Billet Metering Blocks/Throttle Bodies
• Precision Throttle Shafts To Ensure Long Term Performance

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• The Latest In Technology In Air/Fuel Calibrations
• For Street Or Race Engine Demands
• Available In Both Vacuum/Mechanical Secondary Versions
• All Models Have Dual Inlet Fuel Bowls
• With Sight Glass Windows For Safe/Easy Float Adjustments
• Changeable Idle/High Speed Air Bleeds For Easy Tuning
• Four-Corner Idle Adjustment on Mechanical Secondary Models
• Performance Models Incl. Billet Metering Blocks/Throttle Bodies
• With Precision Throttle Shafts To Ensure Long Term Performance
• Shiny Finish w/Purple Billet Metering Blocks/Throttle Body

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• The Latest In Technology In Air/Fuel Calibrations
• For Street Or Race Engine Demands
• Available In Both Vacuum/Mechanical Secondary Versions
• All Models Have Dual Inlet Fuel Bowls
• With Sight Glass Windows For Safe/Easy Float Adjustments
• Changeable Idle/High Speed Air Bleeds For Easy Tuning
• Four-Corner Idle Adjustment on Mechanical Secondary Models
• Performance Models Incl. Billet Metering Blocks/Throttle Bodies
• With Precision Throttle Shafts To Ensure Long Term Performance

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• Carburetor

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• Classic Zinc Finish For Corrosion Resistance/Classic Holley Look
• Optimized Street/Strip Calibration That Works Out Of The Box
• Electric Choke For Precise Cold Start Control
• Mechanical Secondaries For Awesome Tire Turning Performance
• Dual Accelerator Pumps For Add Fuel Under Initial Acceleration
• Dual Feed Fuel Inlets For Constant High Volume Fuel Delivery
• Lightweight Vehicles w/Auto Trans w/High Stall/Low Gearing
• 100% Wet-Flow Tested To Assure It Arrives Ready To Run

See All

• Gold Dichromate Finish For Corrosion Resistance w/Classic Look
• Calibrated and Intended For Small V-8 Engines
• Vacuum Secondaries For Use On Wide Variety Of Vehicles
• Single Feed Fuel Inlet For Easy Installation
• Constructed Of Aluminum But Keeps The Same Calibration And Flow
• Electric Choke Instead Of The Obsoleted Hot Air Choke
• Updated To Our Universal Throttle Arm
• Standard Style Primary Fuel Bowl Which Eliminates The Bowl Vent

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• Vibratory Polished Alum Good Looks/Weight Savings/Lasting Shine
• Performance Upgrade For Stock To Mildly Modified Vehicles
• Universal Calibration For Easy Bolt-On Performance
• Man. Choke Cable Hand Controlled For Cold Start Control
• Vacuum Secondaries For Use On Wide Variety Of Vehicles
• Single Feed Fuel Inlet For Easy Installation
• Power Valve Blow Out Protection
• 100% Wet Flow Tested By Holley Technicians
• Arrives Ready To Run
• Compensates For All Vehicle Weights Gearing/Transmissions

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• Gold Dichromate Finish On Fuel Bowls For Corrosion Resistance
• Race Only Calibration
• Contoured Venturi Inlet Balances Airflow For Increased hp
• Annular Booster Deliver Excellent Signal and Throttle Response
• Screw In Air Bleeds Offer Precision Tuning Capabilities
• 4 Corner Idle Allows You To Precisely Control Your Idle System
• Progressive Secondaries For Perfect Off The Line Launches
• Dual 50CC Accelerator Pumps Fuel From Idle To Full Throttle
• Dual Fuel Inlets For Constant High Volume Fuel Delivery
• Fuel Bowl Can Be Plumbed From Either Side For Ease Of Install
• Includes Notched Float and Jet Extensions
• 100% Wet Flow Tested By Holley Technicians

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• Gold Dichromate Finish For Corrosion Resistance w/Classic Look
• Optimized Street/Strip Calibration That Works Out Of The Box
• Man. Choke Cable Hand Controlled For Cold Start Control
• Mechanical Secondaries For Awesome Tire Turning Performance
• Dual Accelerator Pumps For Add Fuel Under Initial Acceleration
• Dual Feed Fuel Inlets For Constant High Volume Fuel Delivery
• Lightweight Vehicles w/Auto Trans w/High Stall/Low Gearing
• 100% Wet Flow Tested By Holley Technicians

See All

• Gold Dichromate Finish For Corrosion Resistance w/Classic Look
• 350 CFM Model 2300 Center Carburetor
• Fuel Inlets For Original Factory Fuel Lines
• Original List Number Stamped With Current Date Code
• Remote Choke For Easy Hook Up Original Vehicle
• Factory Style Metal Throttle Linkage
• All OE Vacuum Hook-Ups
• 100% Wet Flow Tested By Holley Technicians

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• All Aluminum Construction Saves 3.8 lbs. Over Original Models
• 28% Weight Savings
• Designed For Marine High HP Engines
• Fully Machined From Venturi Throat To Throttle Bore
• Integrated Idle Bypass Valve Allows For Adjustment Of Idle
• 12 Hole Billet Booster Superior Atomization/Throttle Response
• Metering Blocks Feature Improved True Gasket Sealing
• Dual 50CC Accelerator Pumps Fuel From Idle To Full Throttle
• Fuel Bowl Provides 20% More Fuel Capacity Controls Slosh
• Clear Sight Windows On Sides Of Bowl For Fuel Level Adjustments
• Drain Plug On Bowl Provides Easy Access To Empty Bowl
• Contoured Hex Head Squirter Screws For Streamlined Airflow

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• All Aluminum Construction Saves 3.8 lbs. Over Original Models
• 28% Weight Savings
• Calibrations For Todays Larger Race Engines and New Fuels
• Fully Machined From Venturi Throat To Throttle Bore
• Integrated Idle Bypass Valve Allows For Adjustment Of Idle
• 12 Hole Billet Booster Superior Atomization/Throttle Response
• Metering Blocks Feature Improved True Gasket Sealing
• Dual 50CC Accelerator Pumps Fuel From Idle To Full Throttle
• Fuel Bowl Provides 20% More Fuel Capacity Controls Slosh
• Clear Sight Windows On Sides Of Bowl For Fuel Level Adjustments
• Drain Plug On Bowl Provides Easy Access To Empty Bowl
• Contoured Hex Head Squirter Screws For Streamlined Airflow

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• All Aluminum Construction Saves 3.8 lbs. Over Original Models
• 28% Weight Savings
• Shiny With Billet Aluminum Metering Block and Black Hardware
• Calibrations Optimized For Todays Race Engines and New Fuels
• Fully Machined From Venturi Throat To Throttle Bore For Perf
• Annular Booster Deliver Excellent Signal and Throttle Response
• Screw In Air Bleeds Offer Precise Tuning Capabilities
• Metering Blocks Feature Improved True Gasket Sealing
• Dual 50CC Accelerator Pumps Fuel From Idle To Full Throttle
• 4 Corner Idle Allows You To Precisely Control Your Idle System
• Clear Sight Windows On Fuel Inlet Side For Fuel Level Adjustment
• Notched Float and Jet Extension Are Factory Installed

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• Features A Fully Adjustable Electric Choke For Easy Starting
• Dual Metering Block w/Four Corner Idle
• Smooth and Efficient Idle Quality
• Screw-In Air Bleeds/Idle Feed Restrictions
• For Quick And Unsurpassed Tuning Capability
• Universal Throttle Level w/Sealed Throttle Shafts
• Tunable Secondary Opening Rate
• Tumble Polished For Long Lasting Shine

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• Gold Dichromate Finish For Corrosion Resistance
• Optimized Race Calibration
• Contoured Venturi Inlet Balances Airflow For Increased hp
• Screw In Air Bleeds For Precision Tuning Capabilities
• Dual 30cc Accelerator Pumps
• Dual Feed Fuel Inlets For Constant High Volume Fuel Delivery
• 4 Corner Idle Allows You To Precisely Control Your Idle System
• Progressive Secondaries For Perfect Off The Line Launches
• Steel Throttle Plates
• Calibrated For Gasoline
• 100% Wet Flow Tested By Holley Technicians
• Arrives Ready To Run

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• Calibrated For Gasoline
• Exceeds Coast Guard Standards/J1223 Marine Standard Certified
• Dual Metering Block System w/Four Corner Idle Adjustment
• Throttle Shafts Are Ptfe Coated For Corrosion Protection
• Calibrated To Compensate For Unique Engine Loads Found On Boats
• All Aluminum Construction
• Hard Coat Gray Finish For Corrosion Protection In Marine Environs
• Limited Lifetime Warranty

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• Gold Dichromate Finish For Corrosion Resistance w/Classic Look
• Compensate For All Weights To Allow Smooth Opening Of Secondaries
• 30CC Accelerator Pump For Smooth Starts
• Single Feed Fuel Inlet For Easy Installation
• J-Style Vent Tubes
• Meets Coast Guard Specifications
• Power Valve Blow-Out Protection
• 100% Wet Flow Tested By Holley Technicians

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• Exclusive Black Diamond Coating For Enhanced Corrosion Protection
• Coating Provides a 6% Reduction In Fuel Temperature
• Electric Choke - Fully Adjustable One Wire Hookup
• J Tubes To Prevent Spillage
• PTFE-Coated Throttle Shafts w/PTFE Bearing Ribbons
• Built In Sight Glass Windows For Easy Float Adjustment
• Changeable Primary Idle Feed And Power Valve Channel Restrictions
• Changeable Idle Air And High Speed Bleeds
• QuickLink Secondary Adj. For Fast/Easy Changing Of Opening Rates

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• Gold Dichromate Finish For Corrosion Resistance w/Classic Look
• 350 CFM Model 2300 Center Carburetor
• Fuel Inlets For Original Factory Fuel Lines
• Original List Number Stamped With Current Date Code
• Remote Choke For Easy Hook Up Original Vehicle
• Factory Style Metal Throttle Linkage
• All O.E. Vacuum Hook-Ups
• 100% Wet Flow Tested By Holley Technicians
• Arrives Ready To Run

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• Gold Dichromate Finish For Extreme Off Road Environments
• Single Feed Fuel Inlet For Ease Of Installation
• Optimized Off-Road Calibration That Works Out-Of-The-Box
• Factory Preset Electric Choke For Easy Startups
• Quick Change Vacuum Housing Cap To Tune For Performance/Fuel Econ
• One Piece Off-Road Vent Tube Eliminates Fuel Spillover
• Metering Block For Flood Free Op. 40 deg. Climb/30 deg. Side Hill
• Limited Lifetime Warranty Defects In Material/Workmanship
• 100% Wet Flow Tested By Holley Technicians
• Arrives Ready To Run

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• Gold Dichromate Finish For Corrosion Resistance w/Classic Look
• Man. Choke Cable Hand Controlled For Cold Start Control
• 50CC Accelerator Pump For Add. Fuel Under Initial Acceleration
• Power Valve Blow-Out Protection
• 100% Wet-Flow Tested To Assure It Arrives Ready To Run

See All

• Gold Dichromate Finish For Corrosion Resistance w/Classic Look
• Man. Choke Cable Hand Controlled For Cold Start Control
• 50CC Accelerator Pump For Add. Fuel Under Initial Acceleration
• Power Valve Blow-Out Protection
• 100% Wet-Flow Tested To Assure It Arrives Ready To Run

See All

• 1 3/4 in. Throttle Bore Size
• 22-86 Primary Jet
• 22-93 Secondary Jet
• 26-73 Idle Bleed
• 26-28 Hi Speed Bleed
• 21-63 Pump Nozzle
• 25-45 Power Nozzle
• 18-4 Needle And Seat
• Gas Fuel

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• QFX Aluminum Main Body w/Raised Venturi
• Billet Aluminum Metering Blocks w/Screw In Restrictions
• Aluminum Fuel Bowls w/Dual Sight Windows/Fuel Inlets
• Nitrophyl Floats and Jet Extensions
• Viton 0.130 in. Needles and Seats
• Billet Aluminum Annular Booster Inserts
• QuickLink Adjustable Secondary Opening Adjustment
• Hand Assembled and Engine Tested

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• 1 9/16 in. Throttle Bore Size
• 22-66 Primary Jet
• 22-74 Secondary Jet
• 26-73/26-33 Idle Bleed
• 26-31 Hi Speed Bleed
• 21-31 Pump Nozzle
• 25-65 Power Valve
• 18-1 Needle And Seat
• Gas Fuel

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• Throttle Body Mounted ECU - No Extra Boxes To Mount
• Supports Up To 550 HP w/Four 100 lb/hr. Injectors
• Only 4 Wiring Connections Required
• Integrated Ignition Timing Control
• Trans. Provisions On Throttle Lever for TH350/TH400/200R4/700R4
• Universal Throttle/Trans. Kickdown Bracket Included
• High Re Full Color Touchscreen For Setup/Tuning/Gauge Displays
• Fits Most Stock Quadrajet Air Cleaners
• Simple Calibration Wizard - No Laptop Required
• Clamp-On Oxygen Sensor Kit Included
• Requires External Fuel Pressure Regulator
• Genuine Bosch LSU 4.9 Wideband O2 Sensor Included

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• Gold Dichromate Finish For Corrosion Resistance w/Classic Look
• Improves Performance Over Stock Carburetor
• All Emissions Provisions
• Factory Preset Electric Choke For Easy Startups
• For All Weights/Gearing/Trans For Smooth Open Of Secondaries
• Single Feed Fuel Inlet With Filter For Easy Installation
• Power Valve Blow-Out Protection
• 100% Wet Flow Tested By Holley Technicians
• Arrives Ready To Run

See All

• 1 11/16 in. Throttle Bore Size
• 22-74 Primary Jet
• 22-80 Secondary Jet
• 26-70 Idle Bleed
• 26-31 Hi Speed Bleed
• 21-31 Pump Nozzle
• 25-65 Power Valve
• 18-2 Needle And Seat
• Gas Fuel

See All

• Vibratory Polished For Good Looks
• Optimized Street Calibration That Works Out Of The Box
• Factory Preset Electric Choke For Easy Startups
• Quick Change Vacuum Housing Cap To Tune For Performance/Fuel Econ
• No Unnecessary Trips Back To The Parts Store
• Limited Lifetime Warranty
• 100% Wet-Flow Tested To Assure It Arrives Ready To Run

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• Ball Burnished Shiny Aluminum Finish
• Designed For Use On Most Stock To Mildly Modified V8s
• Developed From the Ground Up With Smooth Styling
• One Piece Airhorn Is Easy To Clean and Maintain
• Dual Mounting Bolt Pattern Fits Most Aftermarket Intake Manifolds
• Integrated Fuel Bowl/Main Body Dsg. w/Gasket Eliminates Leak Path
• Small 1-3/8 Primary Throttle Bores Delivers Throttle Response
• 2 Stage Metering Rod Controls Easily Accessible
• Single Fuel Inlet For Simple Installation
• Integrated 700R4/200R4 Trans Kickdown Cable Mounting Location
• Patent Pending Mechanical Design

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• Vibratory Polished For Good Looks
• Optimized Calibration For Outstanding Drivability
• Contoured Venturi Inlet Balances Airflow For Increased hp
• Screw In Air Bleeds For Precision Tuning Capabilities
• Four Corner Idle For Precise Idle Control
• Mechanical Secondaries For Awesome Tire Turning Performance
• Dual Accelerator Pumps For Add. Fuel Under Initial Acceleration
• Dual Feed Fuel Inlets For Constant High Volume Fuel Delivery
• Intended For Lightweight Vehicles w/Man/Auto Trans
• 100% Wet Flow Tested By Holley Technicians
• Arrives Ready To Run

See All

• 1 11/16 in. Throttle Bore Size
• 22-68 Primary Jet
• 22-76 Secondary Jet
• 26-73 Idle Bleed
• 26-31 Hi Speed Bleed
• 26-33 Hi Speed Bleed
• 25-45 Power Valve
• 18-2 Needle And Seat
• Gas Fuel

See All

• Vibratory Polished For Good Looks
• Performance Upgrade For Stock To Mildly Modified Vehicles
• Calibrated For Excellent Street Performance Right Out Of The Box
• Factory Preset Elec Choke For Easy Startups
• For All Weights/Gearing/Trans For Smooth Open Of Secondaries
• Single Feed Fuel Inlet For Easy Installation
• Integrated 700R4/200R4 Transmission Kick Down Cable Mounting
• New Rear Bowl Fuel Inlet To Allow For Dual Feed Or Custom
• 100% Wet Flow Tested By Holley Technicians
• Adjustable Needle and Seats To Accommodate Varying Fuel Pressures
• Upgraded To A 1 Year Warranty

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• Vibratory Polished Alum Good Looks/Weight Savings/Lasting Shine
• Performance Upgrade For Stock To Mildly Modified Vehicles
• Universal Calibration For Easy Bolt-On Performance
• Man. Choke Cable Hand Controlled For Cold Start Control
• Vacuum Secondaries For Use On Wide Variety Of Vehicles
• Dual Feed Fuel Inlets For Constant High Volume Fuel Delivery
• Power Valve Blow Out Protection
• 100% Wet Flow Tested By Holley Technicians
• Arrives Ready To Run
• Compensates For All Vehicle Weights Gearing/Transmissions

See All

• Tumble Polished Shiny Finish For Good Looks
• Manual Choke For Precise Cold Start Control
• Dual Accelerator Pumps For Add Fuel Under Initial Acceleration
• Dual Feed Fuel Inlets For Constant High Volume Fuel Delivery
• Mechanical Secondaries For Perfect Off The Line Launches
• Lightweight Vehicles w/Auto Trans w/High Stall/Low Gearing
• Boost Power Valve For Proper Enrichment Under Acceleration
• 100% Wet Flow Tested By Holley Technicians
• Arrives Ready To Run

See All

• Contoured Venturri Inlet Offers Balanced Airflow For Increased Horsepower
• Screw In Air Bleeds For Precision Tuning Capabilities
• Dual 30cc Accelerator Pumps For Additional Fuel Under Initial Acceleration
• Dual Feed Fuel Inlets For Constant High Volume Fuel Delivery
• 4 Corner Idle Allows You To Precisely Control Your Idle System
• Mechanical Secondaries For Perfect Off The Line Launches
• Boost Referenced Power Valve For Proper Enrichment Under Acceleration
• Throttle Lever Cut Off For Clearance On A Sideways Application

See All

• 100% Wet-Flow Tested And Calibrated
• Aluminum Construction For Weight Savings
• Optimized Race Calibrations For Outstanding Throttle Response
• Contoured Venturi Inlet Offers Balanced Airflow For Increased HP
• Four Corner Idle System
• Screw In Air Bleeds For Precision Tuning Capabilities
• Mechanical Secondaries For Awesome Tire Turning Performance
• Metering Blocks w/Durability/True Gasket Sealing/Adjustability
• Lightweight Vehicles w/Auto Trans w/High Stall/Low Gearing

See All

• Tri-Power Carburetor

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• Metering Blocks Base Plate For Good Looks True Gasket Sealing
• Optimized Street/Strip Calibration That Works Out Of The Box
• Factory Preset Electric Choke For Easy Startups
• Mechanical Secondaries For Awesome Tire Turning Performance
• 4 Corner Idle Allows You To Precisely Control Your Idle System
• Clear Fuel Level Sight Glass No Mess Fuel Level Adjustments
• Aluminum Construction For A 43% Weight Savings
• Lightweight Vehicles w/Auto Trans w/High Stall/Low Gearing
• 100% Wet Flow Tested By Holley Technicians
• Arrives Ready To Run

See All

• Ultra Street Avenger Has Optimized Calibration Works Out Of Box
• Factory Preset Electric Choke For Easy Startups
• Quick Change Vacuum Housing Cap To Tune For Performance/Fuel Econ
• 4 Corner Idle Allows You To Precisely Control Your Idle System
• Built In Clear Fuel Level Sight Glass For Fuel Level Adjustment
• Aluminum Construction For A 43% Weight Savings
• No Unnecessary Trips Back To The Parts Store
• Limited Lifetime Warranty
• 100% Wet Flow Tested By Holley Technicians
• Arrives Ready To Run

See All

• All Aluminum Construction
• No Choke Tower For Unobstructed Airflow
• Air Bleeds Moved Outward Allow Smoother Transition Of Airflow
• Down-Leg Boosters For Improved Fuel Signal
• Contoured Hex Head Squirter Screw For Streamlined Airflow
• Internal Pump Passage On Metering Block w/Tunable Bleed Off
• Built In Drain Plug Provides Easy Access to Empty Bowl
• Fuel Bowl Provides 20% More Fuel Capacity Controls Slosh
• Clear Sight Window On Both Sides Of Bowl For Fuel Level Adjust

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• Universal Holley 4-Barrel Carburetor

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• Aluminum Main Body w/Centered Venturi
• Improved Performance/Better Air/Fuel Distribution
• Black Anodized 2-Circuit Metering Block/Throttle Body
• T. Body Incorporates Roller Bearings Seals For Smoother Operation
• Anti-Siphon Check Valve In Main Body To Reduce Pump Pull-Over
• Changeable Emulsion Bleeds/Power Valve Channel Restrictions
• Dual Inlet Fuel Bowl w/8AN Fittings
• Dual Sight Glass Windows For Easy Float Adjustment
• Single Wedge Circle Track Float
• Black Diamond Coatings For Enhanced Corrosion Protection
• Provides 6% Reduction In Fuel Temperature

See All