1981 Buick Century Air Intakes

Fel-Pro gaskets are specifically designed for the repair environment to deliver a reliable seal on even the most troublesome applications. Designed for imperfect sealing surfaces and manufactured with proprietary materials, you can count on Fel-Pro for innovative sealing solutions for the real-world repair environment.

Product Features:

• Meets or exceeds all original equipment specifications
• Application specific design to ensure a perfect fit
• Engineered for the sealing repair environment
• Unsurpassed quality you can trust
• Validated for fit, form, and function

The Edelbrock 1403 Performer Series 500 CFM electric choke carburetor is a precisely tuned, quality-built carburetor that can handle the rigors of daily driving while delivering consistent, reliable street performance from day to day. Several characterist

Product Features:

• Edelbrock products offer improved performance and aesthetics for a broad array of vehicles and engines. ‘Proven performance’ is the philosophy by which Edelbrock was founded and it continues to this day with the highest standards for performance and quali
• Electric Choke
• 4 Barrel Count
• Square Bore
• Smooth Secondary Transition
• Both Timed and Full Vacuum Ports
• Includes PCV Outlet

The Edelbrock 1404 Performer Series 500 CFM manual choke carburetor is a precisely tuned, quality-built carburetor that can handle the rigors of daily driving while delivering consistent, reliable street performance from day to day. Several characteristic

Product Features:

• Edelbrock products offer improved performance and aesthetics for a broad array of vehicles and engines. ‘Proven performance’ is the philosophy by which Edelbrock was founded and it continues to this day with the highest standards for performance and quali
• Manual Choke
• 4 Barrel Count
• Square Bore
• Smooth Secondary Transition
• Both Timed and Full Vacuum Ports
• Includes PCV Outlet

The Edelbrock AVS2 Series #1906 is a satin-finished four-barrel carburetor with electric choke that is designed and calibrated for optimum street performance in engines that require an air-fuel flow of 650 CFM. The AVS2 is a perfect replacement or upgrade that features annular flow primary boosters with a new calibration for improved off-idle and cruising performance. The annular flow booster design delivers improved fuel atomization to eliminate flat spots that may be encountered as the carburetor transitions from idle to full throttle. Each annular flow booster features eight equally spaced orifices to improve fuel metering from idle to the main circuit. The improved flow metering makes this carburetor ideal for use with a wide variety of small- and big-block engines with either dual- or single-plane intake manifolds. The Edelbrock AVS2 #1906 includes both timed and full vacuum ports for ignition advance. It comes with: .101 primary and.098 secondary metering jets; .070 x .037 metering rods; orange (5″ Hg) step-up spring. Use our Carburetor Stud Kits #8008 or #8024 if needed. Match with a variety of manifolds that include Edelbrock Performer, Performer EPS, RPM Air-Gap, Performer RPM, Torker II or other brands of similar design. For a black-finished AVS2 with electric choke, order part #19063.

Product Features:

• Edelbrock products offer improved performance and aesthetics for a broad array of vehicles and engines. ‘Proven performance’ is the philosophy by which Edelbrock was founded and it continues to this day with the highest standards for performance and quali
• Electric Choke
• 4 Barrel Count
• Square Bore

The Edelbrock 1406 Performer Series 600 CFM electric choke carburetor is a precisely tuned, quality-built carburetor that can handle the rigors of daily driving while delivering consistent, reliable street performance from day to day. Several characteristics make the 1406 Performer Series 600 CFM electric choke carburetor an outstanding street performer. The first one is that metering rods are utilized to transition between circuits. The carburetor is unaffected by engine backfires, which means that there are no power valves to blow out, and the rods can be changed in seconds without carburetor removal or fuel draining. Secondly, the carburetor has the unique ability to “hold a tune”, so once it is tuned, the carburetor stay’s tuned. What this means to you is that compared to other carburetors, the performance remains consistent and the calibration stays unchanged. The lightweight all-aluminum body features a two-piece body that resists warping and is compatible with gasohol and blended fuels. The simple tub-type bowls and rear-pivot floats all contribute to a carburetor that’s reliable, user-friendly and is easily tunable for miles and miles of trouble-free operation.

Product Features:

• Edelbrock products offer improved performance and aesthetics for a broad array of vehicles and engines. ‘Proven performance’ is the philosophy by which Edelbrock was founded and it continues to this day with the highest standards for performance and quali
• Electric Choke
• 4 Barrel Count
• Square Bore
• Smooth Secondary Transition
• Both Timed and Full Vacuum Ports
• Includes PCV Outlet

The Edelbrock #1901 AV2 Series 500 cfm Carburetor is designed and calibrated for small cubic-inch single carb applications, match with an Edelbrock Performer or Performer EPS manifold or other brands of similar design. Includes both timed and full vacuum

Product Features:

• Edelbrock products offer improved performance and aesthetics for a broad array of vehicles and engines. ‘Proven performance’ is the philosophy by which Edelbrock was founded and it continues to this day with the highest standards for performance and quali
• Electric Choke
• 4 Barrel Count
• Square Bore

orange (5″ Hg) step-up spring. Use our Carburetor Stud Kits #8008 or #8024 if needed. Match with a variety of manifolds that include Edelbrock Performer, Performer EPS, RPM Air-Gap, Performer RPM, Torker II or other brands of similar design. For a black-f

Product Features:

• Edelbrock products offer improved performance and aesthetics for a broad array of vehicles and engines. ‘Proven performance’ is the philosophy by which Edelbrock was founded and it continues to this day with the highest standards for performance and quali
• Manual Choke
• 4 Barrel Count
• Square Bore

The Edelbrock #1902 AV2 Series 500 cfm Carburetor is designed and calibrated for small cubic-inch single carb applications, match with an Edelbrock Performer or Performer EPS manifold or other brands of similar design. Includes both timed and full vacuum

Product Features:

• Edelbrock products offer improved performance and aesthetics for a broad array of vehicles and engines. ‘Proven performance’ is the philosophy by which Edelbrock was founded and it continues to this day with the highest standards for performance and quali
• Manual Choke
• 4 Barrel Count
• Square Bore

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

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

Edelbrock’s AVS2 No. 1906-BP with Electric Choke is a special Black Plasma finished 650 CFM street carb with Annular Flow Booster technology for near-EFI-like drivability that you can feel as soon as you step on the gas. The AVS2 1906-CP features an annular ring with eight evenly spaced orifices that replaces the standard single brass tube (down-leg) fuel feed. The AVS2 booster ring distributes fuel into the airflow stream with an even spray that eliminates flat spots and greatly improves throttle response in the low-to mid-RPM range without sacrificing top-end power. The Black Plasma finish is applied is a 7 stage process to ensure the most durable and brilliant finish possible. Black Plasma has a deep gloss that reflects the surrounding colors for a beautiful effect. The AVS2 is unaffected by engine backfires since there are no power valves to blow out. For fast and simple part-throttle tuning, metering rods and springs can be changed in seconds without carburetor removal or fuel draining. AVS2 carbs have the unique ability to hold a tune when compared to other carburetors. Your tuning and adjustments stay unchanged, so performance remains consistent. Updated primary and secondary booster clusters in the AVS2 offer the most accurate and up-to-date calibration available for today’s fuels and octane levels. Additionally, the unique Qwik-Tune Secondary Air Valve allows for limitless calibration of the secondary circuit. Adjustments can be with simple hand tools in seconds to suit your application. AVS2 Carburetors feature a two-piece design for easy tuning that allows you to make float level adjustments or replace internal components without draining the carburetor or removing it from the engine. The 1906-CP AVS2 650 CFM comes with an electric choke and is manufactured by Edelbrock in the USA.

Product Features:

• FOR USE ON PRE-POLLUTION CONTROLLED VEHICLES (PPCV): Product is legal for use on pre-pollution controlled vehicles. They can be used on all vehicles that were manufactured before emissions control regulations were imposed.
• FOR USE ON PRE-POLLUTION CONTROLLED VEHICLES (PPCV):áProduct is legal for use on pre-pollution controlled vehicles. They can be used on all vehicles that were manufactured before emissions control regulations were imposed.
• Annular Flow Booster technology
• Beautiful and Durable Black Plasma coating
• Easy to maintain finish
• Electric Choke

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

Edelbrock’s AVS2 No. 1906-CP with Electric Choke is a special Chrome Plasma finished 650 CFM street carb with Annular Flow Booster technology for near-EFI-like drivability that you can feel as soon as you step on the gas. The AVS2 1906-CP features an annular ring with eight evenly spaced orifices that replaces the standard single brass tube (down-leg) fuel feed. The AVS2 booster ring distributes fuel into the airflow stream with an even spray that eliminates flat spots and greatly improves throttle response in the low-to mid-RPM range without sacrificing top-end power. The Chrome Plasma finish is applied is a 7 stage process to ensure the most durable and brilliant finish possible. The AVS2 is unaffected by engine backfires since there are no power valves to blow out. For fast and simple part-throttle tuning, metering rods and springs can be changed in seconds without carburetor removal or fuel draining. AVS2 carbs have the unique ability to hold a tune when compared to other carburetors. Your tuning and adjustments stay unchanged, so performance remains consistent. Updated primary and secondary booster clusters in the AVS2 offer the most accurate and up-to-date calibration available for today’s fuels and octane levels. Additionally, the unique Qwik-Tune Secondary Air Valve allows for limitless calibration of the secondary circuit. Adjustments can be with simple hand tools in seconds to suit your application. AVS2 Carburetors feature a two-piece design for easy tuning that allows you to make float level adjustments or replace internal components without draining the carburetor or removing it from the engine. The 1906-CP AVS2 650 CFM comes with an electric choke and is manufactured by Edelbrock in the USA.

Product Features:

• FOR USE ON PRE-POLLUTION CONTROLLED VEHICLES (PPCV): Product is legal for use on pre-pollution controlled vehicles. They can be used on all vehicles that were manufactured before emissions control regulations were imposed.
• FOR USE ON PRE-POLLUTION CONTROLLED VEHICLES (PPCV):áProduct is legal for use on pre-pollution controlled vehicles. They can be used on all vehicles that were manufactured before emissions control regulations were imposed.
• AVS2 Carbs will work with Ford automatic overdrive trans (AOD) when used with Lokar bracket SRK-4000; Edelbrock carburetors are not calibrated for or compatible with alcohol, race or E85 pump fuel.
• The use of alcohol or E85 in your Edelbrock carburetor will damage your carburetor and void your warranty.; The use of a new fuel filter between the fuel pump and carburetor is required.
• Failure to do so will void the manufacturer’s warranty of the carburetor; You must use Edelbrock Adapter No. 2732 when installing a Performer Series carburetor on certain Edelbrock intake manifolds

The Edelbrock 14063 Performer Series 600 CFM electric choke black powder coated carburetor is a precisely tuned, quality-built carburetor that can handle the rigors of daily driving while delivering consistent, reliable street performance from day to day.

Product Features:

• Edelbrock products offer improved performance and aesthetics for a broad array of vehicles and engines. ‘Proven performance’ is the philosophy by which Edelbrock was founded and it continues to this day with the highest standards for performance and quali
• Electric Choke, Black
• 4 Barrel Count
• Square Bore

The Edelbrock AVS2 Series No. 19063 is a black-finished carburetor with electric choke that is designed and calibrated for optimum street performance in engines that require 650 CFM of air-fuel flow. The AVS2 is a perfect replacement or upgrade that features annular flow primary boosters with a new calibration for improved off-idle and cruising performance. The annular flow booster design delivers improved fuel atomization to eliminate flat spots that may be encountered as the carburetor transitions from idle to full throttle. Each annular flow booster features eight equally spaced orifices to improve fuel metering from idle to the main circuit. The improved flow metering makes this carburetor ideal for use with a wide variety of small- and big-block engines with either dual- or single-plane intake manifolds. The Edelbrock AVS2 No. 19063 includes both timed and full vacuum ports for ignition advance. It comes with: .101 primary and.098 secondary metering jets.

The Edelbrock 19053 is a high?performance AVS2 Series 650 CFM 4?barrel carburetor, designed for optimum street performance in small?block and select big?block engines. It combines modern engineering with Edelbrock’s trusted reliability, making it a go?to upgrade for enthusiasts seeking improved throttle response, fuel atomization, and overall drivability.

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.

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.

This throttle return spring is designed to match the fit and function of the original part on specified vehicles. Made of quality materials, it is engineered for reliable performance.

Product Features:

• Direct replacement – this throttle return spring matches the fit and function of the factory part on specified years, makes and models
• Ideal solution – this spring is a reliable replacement for an original part that is missing or has failed due to fatigue
• Durable construction – this part is made from quality materials to ensure reliable performance and long service life
• Trustworthy quality – backed by team of product experts in the United States and more than a century of automotive experience

Carquest Throttle Position Sensors offer precision signaling to the ECM to ensure optimum performance and fuel economy. Manufactured using the highest quality OEM approved materials, resulting in tighter tolerances and increased durability. All Carquest Throttle Position Sensors are designed to meet or exceed OEM specifications at our ISO TS16949 manufacturing facilities.

Product Features:

• Manufactured to provide superior sealing, protecting against all engine bay contaminants and insulation from extreme hot and cold temperatures.
• 100% calibrated and end-of-line tested to ensure worry-free, out-of-the-box performance
• Designed to meet or exceed all OEM specifications in fit, form & function
• Extensive product testing includes salt spray, high/low temperature impact, thermal vibration, durability, static electricity, and micro tension, among other tests, to ensure all sensors meet or exceed OEM specifications.

Product Features:

• Application matched component to ensure the system can be returned to like new condition.
• Product constructed to meet all design and operating characteristics as intended by the vehicle manufacturer.

Product Features:

• Application matched component to ensure the system can be returned to like new condition.
• Product constructed to meet all design and operating characteristics as intended by the vehicle manufacturer.

Product Features:

• Application matched component to ensure the system can be returned to like new condition.
• Product constructed to meet all design and operating characteristics as intended by the vehicle manufacturer.

Building upon a foundation of premium full-line products established under NGK ignition and NTK oxygen sensor products, NTK’s expansion to technical sensors is part of our ongoing commitment to streamline product types and increase coverage under one premium brand: NTK, The Sensor Specialist. With over 80 years of automotive expertise, NGK’s family of automotive products are driven by extreme dedication to innovation, performance and quality. NTK is the only OE supplier with a full line of technical sensors in the aftermarket for import and domestic vehicles. Drawing from OE experience, NTK sensors undergo extreme testing conditions that include thermal shock, vibration and OBD verification. NTK sensors are manufactured to ensure a quality that meets or exceeds OE specifications. As new vehicles incorporate connected and automated technologies, trust The Sensor Specialist for full-line market support and OE application technology.

Product Features:

• Air Charge Temperature Sensors are designed to meet or exceed OE specifications in form, fit and function to ensure proper monitoring of air temperature entering the engine
• NTK’s Engine Coolant Temperature Sensors are manufactured to operational performance standards to meet or exceed OE fit, form and function to ensure proper engine operating temperature.

Prevent intake manifold leaks with ARP quality fasteners. They are rated at 170,000 PSI and precision machined for optimum thread engagement. Wide under head flange and companion washers provide even load distribution. Precision rolled threads prevent galling while promoting more consistent torque loading. Facilitates optimum sealing of gasket surfaces. Available in choice of black oxide finish chrome moly or corrosion resistant stainless steel, as well as hex or 12 point heads.

Product Features:

• Nominally Rated At 170,000 PSI Tensile Strength
• Precision Machined Threads For Secure Engagement, And Would not Rust
• Wide Under Head Flange And Companion Washers Provide Even Load Distribution
• Precision Rolled Threads Prevent Galling While Promoting More Consistent Torque Loading
• Facilitates Optimum Sealing Of Gasket Surfaces

Fel-Pro gaskets are specifically designed for the repair environment to deliver a reliable seal on even the most troublesome applications. Designed for imperfect sealing surfaces and manufactured with proprietary materials, you can count on Fel-Pro for innovative sealing solutions for the real-world repair environment.

Product Features:

• Meets or exceeds all original equipment specifications
• Application specific design to ensure a perfect fit
• Engineered and manufactured specifically for repair applications
• Unsurpassed quality you can trust
• Validated for fit, form, and function
• Includes all parts needed to complete the repair

Product Features:

• For Idle to 5500 RPM Street-Driven Performance
• Dual-Plane Low-Rise Intake w/180 deg. Firing Order
• Patented Runner Design Ensures Broad Torque Curve
• Excellent Throttle Response and Mid-Range Power
• Not for C-3 and C-4 Electronic Fuel Mngmt Systems

Prevent intake manifold leaks with ARP quality fasteners. They are rated at 170,000 PSI and precision machined for optimum thread engagement. Wide under head flange and companion washers provide even load distribution. Precision rolled threads prevent galling while promoting more consistent torque loading. Facilitates optimum sealing of gasket surfaces. Available in choice of black oxide finish chrome moly or corrosion resistant stainless steel, as well as hex or 12 point heads.

Product Features:

• Nominally Rated At 170,000 PSI Tensile Strength
• Precision Machined Threads For Secure Engagement, And Would not Rust
• Wide Under Head Flange And Companion Washers Provide Even Load Distribution
• Precision Rolled Threads Prevent Galling While Promoting More Consistent Torque Loading
• Facilitates Optimum Sealing Of Gasket Surfaces
• 1″ Long