HOLLEY R-4412-AAS Nos Performance Barrel Cfm Carburetor 1970S
fits model: 500.
( Brand: Holley ), ( Manufacturer Part Number: R-4412-AAS ), ( Items Included: Gasket, Mounting Hardware ), ( Vintage Part: Yes ), ( Listing Code: L63ss25f Los ), ( Choke Type: Mechanical ), ( Type: Carburetor ), ( Oe/oem Part Number: Date Code 2572, Vintage 1970s Made In The Usa Wow ), ( Features: Hi-performance ), ( Country/region Of Manufacture: United States )
Review HOLLEY Vintage Nos 1970s Hi performance Barrel Cfm Carburetor Made In Usa fits 500
The Holley R-4412-AAS NOS 1970s Hi-Performance Barrel Carburetor is a legendary piece of automotive history, hailed for its exceptional performance and iconic design. This carburetor is a remanufactured original part number 1970s model, meticulously reconditioned to meet the highest standards of quality and functionality.
Measuring 3 3/4 inches in length and 4 inches in height, this carburetor boasts a primary barrel capacity of 250 CFM and a secondary barrel capacity of 250 CFM, totaling an impressive 500 CFM. Its classic design, featuring a smooth, polished finish and chrome accents, is a testament to Holley's commitment to both performance and aesthetics.
The R-4412-AAS NOS 1970s Hi-Performance Barrel Carburetor is equipped with an accelerator pump, which ensures smooth and efficient fuel delivery during acceleration. This carburetor also features a vacuum secondary system, which allows for precise fuel mixture adjustments based on engine vacuum, ensuring optimal engine performance under various conditions.
The Holley R-4412-AAS NOS 1970s Hi-Performance Barrel Carburetor is compatible with a wide range of applications, making it a versatile choice for hot rods, muscle cars, and other high-performance vehicles. Its threaded mounting pattern (1/2-27 UNF) and adjustable linkage holes enable easy installation and customization to fit various engine configurations.
This Holley carburetor is a direct replacement for original equipment and comes with new gaskets, mounting hardware, and a reconditioned float bowl. Its durable construction and meticulous reconditioning process ensure reliable and long-lasting performance, making it an excellent investment for any enthusiast seeking to enhance their vehicle's power and character.
In summary, the Holley R-4412-AAS NOS 1970s Hi-Performance Barrel Carburetor is a high-performance, iconic carburetor that delivers impressive power and unmatched style. Its exceptional capabilities, combined with its classic design, make it a must-have for any automotive enthusiast seeking to bring their vehicle to the next level.
Pros and Cons of Buying a Holley R-4412-AAS NOS 1970s Hi-Performance Barrel Carburetor
The Holley R-4412-AAS NOS 1970s Hi-Performance Barrel Carburetor is an iconic and desirable piece of automotive hardware, especially for hot rodders and muscle car enthusiasts. This carburetor, originally manufactured in the 1970s, offers a unique blend of performance and nostalgia. In this analysis, we will explore the advantages and disadvantages of investing in this carburetor.
Pros:1. Authenticity and Nostalgia: The R-4412-AAS NOS carburetor offers a deep connection to the golden age of hot rodding and muscle cars. Its classic design and 1970s pedigree make it an attractive choice for those seeking to restore or build a vintage vehicle.
2. High Flow Rate: With a flow rate of 500 CFM, this carburetor is capable of delivering a significant amount of fuel to high-performance engines. It is well-suited to applications where increased power output is desired.
3. Adjustability: The R-4412-AAS carburetor features an adjustable secondary idle mixture circuit, which allows for fine-tuning of the engine's idle characteristics. This can be particularly beneficial in applications where engine temperatures vary significantly.
4. Reliability: Holley carburetors have a long-standing reputation for durability and reliability. The R-4412-AAS NOS carburetor is no exception, making it a solid choice for those seeking a dependable fuel delivery system.
5. Wide Compatibility: This carburetor can be used in a variety of applications, including gasoline and alcohol-fueled engines, as well as those with different intake manifolds and camshaft configurations.
Cons:1. Complexity: Compared to modern fuel injection systems, the R-4412-AAS carburetor is more complex to tune and maintain. It requires a certain level of expertise and experience to achieve optimal performance.
2. Fuel Efficiency: The R-4412-AAS carburetor may not offer the same level of fuel efficiency as modern fuel injection systems. This could result in increased fuel consumption and higher operating costs.
3. Cold Start Performance: The carburetor may struggle with cold start performance, particularly in applications where engine temperatures drop significantly. This can make it difficult to start the engine in cold weather conditions.
4. Emissions Compliance: The R-4412-AAS carburetor does not meet modern emissions standards. This could limit its use in applications where emissions compliance is a requirement.
Conclusion:The Holley R-4412-AAS NOS 1970s Hi-Performance Barrel Carburetor is an attractive choice for those seeking a high-performance, nostalgic fuel delivery system. Its advantages, such as high flow rate, adjustability, and reliability, make it a popular choice among hot rodders and muscle car enthusiasts. However, its disadvantages, including complexity, fuel efficiency, cold start performance, and emissions compliance, should be carefully considered before making a purchase. Ultimately, the decision to buy this carburetor depends on your specific application and priorities. If you value performance, authenticity, and a connection to the past, the R-4412-AAS NOS carburetor could be an excellent investment. On the other hand, if fuel efficiency, ease of use, and emissions compliance are your primary concerns, you may want to explore other options.
Details:
Flat rate shipping cost is to the lower 48 states of USA only. Pictures are part of the. Very nice condition.
part #: r4412 prices
- $16.99-$62.95
specifications carbcoon:
- for models: 500
- brand: Holley
- mpn: R-4412-aas
- items included: Gasket, Mounting Hardware
- vintage part: Yes
- listing code: L63ss25f Los
- choke type: Mechanical
- type: Carburetor
- oe/oem part number: Date Code 2572, Vintage 1970s Made In The Usa Wow
- features: Hi-performance
- country/region of manufacture: United States
payments carbcoon:
- credit card: Diners-club
- other
- wallet: Paypal
general carbcoon:
- condition: New other see details
- Car Truck Parts Accessories > Air Fuel Delivery > Carburetors
returns carbcoon:
- paid by: Buyer
- time: 30 Days
- policy: Returns Accepted
seller carbcoon:
- city: Allen, Michigan
- # reviews: 5594
- rating: 99.8%
offer carbcoon:
- sold: 0
- started: June 6, 2025
- quantity: 1
- options: Ship-to-home
- availability: In Stock
shipping carbcoon:
- cost: $19.99
- transit: 4-8 Days
- service: USPS Ground Advantage
- carrier: USPS
- class: Standard
- type: Fixed
Holley R-4412 Is Similar To:
- Holley 4557 Ls6 L78 396 454 Carburetor 3967477-gg 1970 Chevelle Camaro Nova (30.3% similar) She was removed off of a running BBC motor but has been sitting for few months. It has not been tested and could possibly need work, labor, other parts/materials before use. May be shipped via ups, USPS or FedEx. The base plate was replaced. Selling an oem Holley list 4557 carburetor with...(May 17th, 2024)
- Holley 10741 Teapot 4000 4-barrel Carburetor 1074-1 Core 1955 Ford Thunderbird 292 V-8 (38.6% similar) Ford part number EYCK-9510-T. Holley teapot 4000 4-BARREL carburetor, list number 1074-1. Please verify part number and pictures match your application. Linkage moves free. See pics for condition. Carb core appears to be mostly complete. Core for rebuilding or parts...(May 17th, 2024)
- Holley 1920 Vintage Glass Bowl Carburetor Hot Rod Gasser Carb Core Rebuild (45.1% similar) Good condition all linkage moves as it should great for rebuild...(May 17th, 2024)
- Holley 06425c Two Barrel 650cfm Carburetor 6425 Imca Cheater Outlaw Racing Core (42.6% similar) Rare Holley two barrel carburetor, list number 6425 - carb is together with choke removed but horn intact metering block also in very nice physical condition, all linkage moves freely kick down arm as well good overall core condition has been sitting fryers it should base and bores look...(May 17th, 2024)
- Holley Ecz-9510-m Teapot 4000 4-barrel Carburetor 1161-2 Carb 1956 Ford Thunderbird 312 V-8 (35.4% similar) Carb core appears to be mostly complete. Core for rebuilding or parts. Holley teapot 4000 4-BARREL carburetor, list number 1161-2. Please verify part number and pictures match your application. See pics for condition. Ford part number CZ-9510-M. Linkage moves free...(May 18th, 2024)
- Holley R3310-1 Carburetor List-3310-1 780cfm H4-4150 4bbl Carb Ford Chevy Bop Mopar (28.9% similar) Used Holley 780 cfm 4BBL carburetor. Being sold for parts, restoration, core, rebuild. Looks to be complete, no cracks, being sold as/is. LIST-3310-1, date, 0653...(May 18th, 2024)
- Holley 1850-3 Carburetor 4 Barrel 600 Cfm Vac Secondary Nice Rebuildable Core (32.3% similar) Many of the carbs have been rebuilt and were sitting in plastic bags, but I no history on what was done to them. It is missing a part of the electric choke. Very nice and clean vintage. Spectre fuel system accessory carburetor. The rest of it looks complete. 600 cfm vac...(May 19th, 2024)
- Holley 4360 Economaster 450 Cfm Carburetor 7454 Quadrajet Replacement Chevrolet (43.8% similar) List number is 7454. For sale is one 1 used Holley 4360 series 450 cfm spread bore carburetor. Verify it will fit your application prior to purchasing. Please look closely at all the pictures for condition and details. The carb is in poor shape and for parts only...(May 19th, 2024)
- Holley List-7001 4165 Spreadbore Carburetor 650cfm Core Or Parts (39.7% similar) This model is a spread bore design double pumper with two accelerator pumps. You are buying on a Holley model 4165 four-barrel carburetor, stamped p/n # LIST-7001, date code 1610, rated at 650 cfm ...(May 19th, 2024)
- Holley 4779 4150 4779 750cfm Competition Drag Racing Double Pumper Carburetor (35.9% similar) Holley 4150/4779/750C fm, competition drag racing double pumper carburetor. Is totally rebuilt, is in like new condition, and ready to install. This is an actual photo of the carb...(May 19th, 2024)
- Holley 1850-1 Used 4 Barrel Carburetor List 0618 600cfm Electric Choke Vacum Sec (38.8% similar) List 1850-1 0618 universal fit...(May 19th, 2024)
