1981 AMC Concord Carburetors

The 0-4412 is designed as a stock replacement for 2BBL street applications as well as being mandated for some oval track racing sanctioning bodies. Whether you are looking for a replacement carburetor to replace your tired and worn factory 2BBL or one to push you to the finish line on Saturday night, the Holley 0-4412 Performance 2BBL is the perfect choice.

Product Features:

• Vibratory Polished For Good Looks
• 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

Made in the USA, this remanufactured carburetor is completely disassembled and all internal parts, such as gaskets, gas filters, needle/seats and accelerator plunger cups, are discarded. All metal castings are thoroughly cleaned and restored to OEM (original equipment manufacturer) finish. Then the carburetor is reassembled to OEM-quality standards using all new component parts. Each carburetor is flow tested to simulate actual engine conditions, and all internal and external adjustments are set to OEM specifications.

Xtreme Performance – Holley Ultra XP(TM) Circle Track Carburetors! Ultra XP carbs are 38% lighter than our original HP, have fuel capacity that is 20% greater and 30 other new features! They’re available in our Hard Core Gray(TM) hard coat anodized finish with Black(TM) billet for improved corrosion protection & also available in natural tumble-polished aluminum with Black(TM) metering blocks and base plate. The Aluminum Ultra XP Cirlce Tracks are available in 650 & 750 CFM’s. Holley Ultra XP carburetors are Specifically Calibrated for Circle Track & offer new features such as anti-siphon valve in the main body; high capacity HP bowls which feature 20% more fuel capacity to eliminate starvation, integrated fuel shelf to minimize fuel aeration and internal baffling to control fuel slosh. Other features include all aluminum construction, fully tunable billet metering blocks, billet base plate, wedge floats, adjustable secondary linkage and knurled (hand adjustable) curb idle screws. Holley Ultra XP carburetors are the ultimate in square bore race carburetors!

Product Features:

• 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

Xtreme Performance – Holley Ultra XP(TM) Circle Track Carburetors! Ultra XP carbs are 38% lighter than our original HP, have fuel capacity that is 20% greater and 30 other new features! They’re available in our Hard Core Gray(TM) hard coat anodized finish with Black(TM) billet for improved corrosion protection & also available in natural tumble-polished aluminum with Black(TM) metering blocks and base plate. The Aluminum Ultra XP Cirlce Tracks are available in 650 & 750 CFM’s. Holley Ultra XP carburetors are Specifically Calibrated for Circle Track & offer new features such as anti-siphon valve in the main body; high capacity HP bowls which feature 20% more fuel capacity to eliminate starvation, integrated fuel shelf to minimize fuel aeration and internal baffling to control fuel slosh. Other features include all aluminum construction, fully tunable billet metering blocks, billet base plate, wedge floats, adjustable secondary linkage and knurled (hand adjustable) curb idle screws. Holley Ultra XP carburetors are the ultimate in square bore race carburetors!

Product Features:

• 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

The 0-4412 is designed as a stock replacement for 2BBL street applications as well as being mandated for some oval track racing sanctioning bodies. Whether you are looking for a replacement carburetor to replace your tired and worn factory 2BBL or one to

Product Features:

• 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
• Does Not Work w/A.O.D. Transmissions
• Installation/Tuning DVD Incl.

Product Features:

• Vibratory polished for good looks
• Optimized street calibration that works-out-of-the-box
• Factory preset electric choke for easy startups (Range identified and restricted for easy no trouble adjustment)
• Built in No Trouble fuel inlet filter
• Street Avenger fuel metering system provides precise fuel control for great low end torque and awesome acceleration
• Compatible with GM, Chrysler, and Ford A/T kickdown linkage. Additional parts may be required.
• Gen IV No Trouble power valve
• Limited warranty – Guaranteed to be free from defects in material and workmanship for the life of the product!
• 100% wet-flow tested by Holley technicians to assure it arrives ready to run!

Competition fuel curves provide safe and reliable horsepower for high performance race engines.

Product Features:

• 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

Street Avenger carburetors are known to bolt on right out of the box and Holley is excited to announce the addition of our new 2bbl Street Avenger models available in 350 and 500 CFM. Street Avenger carburetors have great features such as optimized street calibrations; three vacuum ports for all necessary vacuum accessories; factory preset electric choke for easy startups; built-in fuel filters; and an included 3/8″ fuel line connection so there are no unnecessary trips back to the parts store.

Product Features:

• Vibratory Polished For Good Looks
• Optimized Street Calibration That Works Out Of The Box
• Factory Preset Electric Choke For Easy Startups
• Built In No Trouble Fuel Inlet Filter
• Provides Precise Fuel Control For Low End Torque/Acceleration
• Gen Iv No Trouble Power Valve
• Three Vacuum Ports [1 Pcv/Brake 1 Timed Spark 1 Full]
• Limited Lifetime Warranty Defects In Material/Workmanship
• 100% Wet Flow Tested By Holley Technicians
• Arrives Ready To Run

Made in the USA, this remanufactured carburetor is completely disassembled and all internal parts, such as gaskets, gas filters, needle/seats and accelerator plunger cups, are discarded. All metal castings are thoroughly cleaned and restored to OEM (original equipment manufacturer) finish. Then the carburetor is reassembled to OEM-quality standards using all new component parts. Each carburetor is flow tested to simulate actual engine conditions, and all internal and external adjustments are set to OEM specifications.