BFO 4LG2NR Barrel Carburetor Cfm Mechanical Secondary Carb 4BBL 950 BR-67202

( Brand: Bfo ), ( Manufacturer Part Number: 4LG2NR ), ( California Prop 65 Warning: California Prop 65 Warning ), ( Choke Type: Electric ), ( Fitment Type: Direct Replacement ), ( Items Included: Gasket, O-rings ), ( Manufacturer Warranty: 1 Year ), ( Material: Aluminum ), ( Note: No Instruction Included ), ( Notice: This Is Aftermarket Replcement Part., California Prop 65 Warning., Not Include The Oil Pipe ), ( Oe/oem Part Number: Br-67202, Br-67202 950 Cfm ), ( Type: Carburetor )

Review BFO Barrel Carburetor Replace For 950 Cfm Mechanical Secondary Carb

The BFO 4LG2NR 4-barrel carburetor is a high-performance addition to any BR series engine, specifically designed for engines with a 950 CFM mechanical secondary. This carburetor boasts a 4-barrel configuration, which allows for increased air and fuel intake, resulting in enhanced engine power and responsiveness.

The BFO 4LG2NR carburetor is a 4-barrel, downdraft design, meaning the carburetor bodies sit below the intake manifold, allowing for a more direct intake path and improved engine efficiency. The barrels are equipped with 318 cfm venturis, ensuring an optimal air-fuel mixture for efficient combustion.

The carburetor features a mechanical secondary system, which utilizes vacuum-operated secondary circuits. This design provides a smooth, linear power curve and excellent throttle response, making it an ideal choice for high-performance applications. The secondary circuits are adjustable, allowing fine-tuning of the fuel mixture for optimal engine performance under various conditions.

The BFO 4LG2NR carburetor comes complete with a full set of hardware, including mounting brackets, throttle linkage, and fuel bowls. The carburetor is also equipped with adjustable fuel bowls, allowing for fine-tuning of the fuel mixture and ensuring optimal performance under various conditions.

The carburetor housing is made from high-quality aluminum, providing excellent heat dissipation and durability. The carburetor is also compatible with various fuel systems, including EFI and mechanical fuel pumps. The BFO 4LG2NR carburetor is a high-performance, versatile option that delivers excellent power and responsiveness for any BR series engine.

Buying a BFO 4LG2NR 4-barrel carburetor with a mechanical secondary (BR-67202) for a 950 CFM application has its advantages and disadvantages. Let's discuss each in detail:

1. Increased Air Flow: The primary advantage of this carburetor is its ability to deliver a large air flow rate of 950 CFM, making it suitable for high-performance applications.

2. Mechanical Secondary: The mechanical secondary helps in providing a smooth and consistent power delivery throughout the RPM range, especially during high load conditions.

3. Easier Tuning: Compared to electronic fuel injection systems, carburetors are generally easier to tune and require less expensive equipment.

1. Less Fuel Efficient: Carburetors are known to be less fuel-efficient compared to fuel injection systems. This can lead to higher fuel consumption and increased operating costs.

2. Requires More Maintenance: Carburetors require more frequent maintenance compared to fuel injection systems. This includes regular cleaning, adjustment of idle mixture, and synchronization of the four barrels.

3. Less Consistent: Carburetors can be less consistent compared to fuel injection systems, especially during cold start-up conditions and under varying atmospheric conditions.

The BFO 4LG2NR 4-barrel carburetor with mechanical secondary (BR-67202) is a suitable option for high-performance applications that require large air flow rates. However, it comes with the disadvantages of being less fuel-efficient, requiring more maintenance, and being less consistent compared to fuel injection systems.

If fuel efficiency and low maintenance are priority concerns, it may be recommended to consider fuel injection systems instead. However, if the application requires a large air flow rate and the advantages of mechanical secondaries are desirable, then this carburetor may be a suitable choice. Ultimately, the decision should be based on the specific requirements of the application and the trade-offs between fuel efficiency, maintenance, and power delivery.

Details:

Barrels 4, Billet Color:Purple, Booster:Down Leg, Carburetor Use:Performance and Race, cfm :950, Choke:None, Circuit:2, Finish:Shiny, Fuel: Gasoline, Inlet: Dual, System:Carburetors, High Speed Air Bleed:32;32, Idle Bleed Size:73; 73, Marine Use:No, Material:Aluminum, Primary Main nozzle:78, Power Valve:4.5, Pump Nozzle Size:32, Venture Size:1.450, Secondaries:Mechanical, Secondary nozzle:86, Size:35, Throttle Bore:1.75 inch. 3.Advanced manufacturing technology, high reliability and performance. 1.Good durability and reliability.

2.Meets quality standards, 100% tested before shipping. Package Contents. For 950 cfm Mechanical Secondary BR-67202 Carburetor. 1 Carburetor Kit, accessories shown as the pictures.

OE/Part numbers.

part #: 4lg2nr prices

• $143.00-$179.00

specifications carbcoon:

• brand: Bfo
• mpn: 4lg2nr
• california prop 65 warning: California Prop 65 Warning
• choke type: Electric
• fitment type: Direct Replacement
• items included: Gasket, O-rings
• manufacturer warranty: 1 Year
• material: Aluminum
• note: No Instruction Included
• notice: This Is Aftermarket Replcement Part., California Prop 65 Warning., Not Include The Oil Pipe
• oe/oem part number: Br-67202, Br-67202 950 Cfm
• type: Carburetor

payments carbcoon:

• credit card: Discover
• wallet: Apple-pay
• other

offer carbcoon:

• options: Ship-to-home
• sold: 0
• started: November 3, 2025
• best offers: True
• quantity: 2
• availability: In Stock

general carbcoon:

• condition: New
• Car Truck Parts Accessories > Air Fuel Delivery > Carburetors

seller carbcoon:

• city: Dayton, New Jersey
• # reviews: 21228
• rating: 99.3%

returns carbcoon:

• paid by: Seller
• time: 30 Days
• policy: Returns Accepted

shipping carbcoon:

• class: Standard
• type: Fixed
• service: FedEx Ground / FedEx Home Delivery
• carrier: FedEx
• cost: $0.00
• transit: 3-7 Days

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