MAXPEEDINGRODS PCZ6M7 Carburetor Chevry Engine Quadrajet 4BBL 4MV 1906R 1904R

( Brand: Maxpeedingrods ), ( Manufacturer Part Number: PCZ6M7 ), ( California Prop 65 Warning: California Prop 65 Warning ), ( Cfm: 650/750 ), ( Choke Type: Electric ), ( Compatible Make: For Chevrolet ), ( Compatible Year: 1980 1981 1982 1983 1984 1985 1986 1987 1988 1989 ), ( Engine: 5.0l 305cu, 5.7l 350cu ), ( Features: Constant-vacuum, Down Draft, Quadrajet ), ( Fitment 1: For Quadrajet 4mv ), ( Fitment 2: For Chevy 5.0l 305cu Engine 1980-1989 ), ( Fitment 3: For Chevy 5.7l 350cu 1980-1989 ), ( Fitment Type: Direct Replacement ), ( Items Included: Gasket, Mounting Hardware, O-rings ), ( Manufacturer Warranty: 1 Year ), ( Material: Alloy ), ( Maximum Flow: Cfm ), ( Mounting Flange Type: Spread Bore ), ( Needle Valve: 3.3 ), ( Note: No Instruction Included ), ( Notice: This Is Aftermarket Replcement Part. ), ( Oe/oem Part Number: 1904r, 1906r, 17066422, 17066425, 17066432, 17066493, 17066553, 17066556, 17066563, 17066605, 17080202, 17080204, 17080207, 17080228, 17080274, 17080282, 17080284, 17081282, 17081283, 17081284, 17081285, 17082230, 17065524, 17067256, 17082280, 17082281, 17082282, 17082283, 17082284, 17083282, 17083283, 17084284, 17067258, 17067266, 17067268, 17084285, 17084288, 17084289, 17067280, 17067284, 17067336, 17068501, 17068503, 17068505, 17068587, 17068590, Carburetor, Carburettor, Carburetter, Carb, Carby, Carburetor Electric Choke, 4 Bbl Carburetor, 4 Bbl Carb ), ( Part Type: Intake Fuel System ), ( Type: Carburetor ), ( Universal Fitment: No ), ( Venturi Diameter: 31.7mm )

Review MAXPEEDINGRODS Carburetor For Chevry Engine Rochester Quadrajet 4mv fits 305 350

The MaxxPower PCF6M7 Carburetor is a high-performance 4-barrel carburetor specifically designed for Chevrolet 305 and 350 engines equipped with Rochester Quadrajet 4MV or 1906R/1904R intake manifolds. This carburetor is an excellent upgrade for those seeking improved throttle response, increased horsepower, and better fuel economy.

The PCF6M7 carburetor features a unique design with a modern 4-barrel configuration. Each barrel comes equipped with a 750 CFM venturi, allowing for optimal air flow and fuel mixture. The carburetor's meticulously engineered bore size, venturi shape, and transition areas ensure smooth and consistent fuel delivery to the engine.

One of the standout features of the MaxxPower PCF6M7 Carburetor is its advanced fuel metering system. This system includes a fine-tuned accelerator pump, power valve, and idle circuit. The result is a more responsive engine with excellent idle quality and smooth transition between idle and wide-open throttle.

The carburetor is also designed with easy tuning in mind. It comes with adjustable idle mixture screws, main jet needle and seat, power valve, and secondary needle and seat. This allows for fine-tuning of the fuel mixture to ensure optimal engine performance under various driving conditions and altitudes.

The PCF6M7 carburetor is constructed using high-quality materials and precision machining techniques. Its durable cast aluminum body has a polished finish that not only looks great but also provides excellent heat dissipation. The carburetor's gaskets and mounting hardware are made of high-temperature rubber and stainless steel, ensuring a secure and leak-free installation.

The MaxxPower PCF6M7 Carburetor is an excellent choice for performance enthusiasts looking to upgrade their Chevrolet 305 or 350 engine. Its high-performance design, advanced fuel metering system, and easy tuning make it a top contender in the market for 4-barrel carburetors for these engines. With its sleek appearance and reliable functionality, this carburetor is sure to impress even the most discerning car enthusiasts.

Maximum Performance vs. Rochester Quadrajet 4BBL Carburetors for 1965-1972 Chevrolet 305/350 Engines: A Comparison of Maxpeedingrods PCZ6M7 and Rochester 1906R/1904R

This comparison aims to provide an insightful analysis of the pros and cons of installing a Maxpeedingrods Max-Flow PCZ6M7 4-barrel carburetor versus using original Rochester Quadrajet 4-barrel carburetors (1906R or 1904R) for 1965-1972 Chevrolet 305/350 engines.

1. Improved Performance: The Maxpeedingrods PCZ6M7 carburetor is designed to provide better performance and fuel efficiency due to its larger venturi sizes and improved metering capabilities.

2. Adjustability: This aftermarket carburetor offers more fine-tuning options, allowing you to achieve optimal engine performance.

3. Better Flow Rate: The PCZ6M7 carburetor has a higher flow rate than the stock Rochester 4-barrels, which results in better power output.

1. Cost: The Maxpeedingrods PCZ6M7 carburetor is more expensive than the original Rochester Quadrajet 4-barrels.

2. Complexity: Installing the PCZ6M7 carburetor might require more effort and expertise due to its advanced design and features.

3. Potential Compatibility Issues: Ensure the PCZ6M7 carburetor is compatible with your specific engine and transmission configuration.

1. Original Equipment: These carburetors are original equipment for your Chevrolet, ensuring perfect fitment and ease of installation.

2. Reliability: The Rochester Quadrajet carburetors have a proven track record for reliability and durability.

3. Cost-Effective: These carburetors are typically less expensive than aftermarket alternatives like the Maxpeedingrods PCZ6M7.

1. Limited Adjustability: The Rochester Quadrajet carburetors offer less fine-tuning options than aftermarket alternatives, which may limit your ability to optimize engine performance.

2. Performance Limitations: Stock carburetors may not provide the same level of performance as aftermarket carburetors.

3. Potential Hard-to-Find Parts: As these carburetors are older, some replacement parts may be harder to find and more expensive.

When deciding between the Maxpeedingrods PCZ6M7 and Rochester Quadrajet 4-barrel carburetors, consider your budget, desired performance level, and the extent of your mechanical expertise. If you are looking for improved performance and increased adjustability, the Maxpeedingrods PCZ6M7 carburetor may be the better choice. However, if you prefer the reliability and cost-effectiveness of the original equipment, the Rochester Quadrajet carburetors may suit your needs. Ultimately, your decision depends on your priorities and goals for your Chevrolet 305/350 engine.

For those seeking better performance and improved adjustability, the Maxpeedingrods Max-Flow PCZ6M7 4-barrel carburetor is a worthwhile investment. However, for those who prioritize reliability, cost-effectiveness, and ease of installation, the original Rochester Quadrajet 1906R/1904R carburetors remain a solid choice.

Details:

As shown in the picture. 1904R, 1906R. Quick, Simple.

Do not have connector. Package Included. PRODUCT DISPLAY Carburetor 4BBL for Chevry 305 350 Engine Rochester Quadrajet 4MV 1906R 1904R. Please follow our return.

Replaces Part Numbers. Guaranteed Fitment. Need to tune based on the actual situation. High hardness and corrosion resistance, longer usage life.

Always the correct part. Compact size, less fuel consumption, energy saving and economical. Control the speed of engine under stable condition, effective operation. 5.7L Engine 1980 - 1989.

Improve the structure during manufacturing process, high accuracy. Aftermarket brand new, ensure superior and reliable quality. Let your vehicles speed up in a short time, better driving experience.

part #: pcz6m7 prices

• $179.10-$447.25

specifications carbcoon:

• for models: 305, 350
• for makes: Rochester
• brand: Maxpeedingrods
• mpn: Pcz6m7
• california prop 65 warning: California Prop 65 Warning
• cfm: 650/750
• choke type: Electric
• compatible make: For Chevrolet
• compatible year: 1980 1981 1982 1983 1984 1985 1986 1987 1988 1989
• engine: 5.0l 305cu, 5.7l 350cu
• features: Constant-vacuum, Down Draft, Quadrajet
• fitment 1: For Quadrajet 4mv
• fitment 2: For Chevy 5.0l 305cu Engine 1980-1989
• fitment 3: For Chevy 5.7l 350cu 1980-1989
• fitment type: Direct Replacement
• items included: Gasket, Mounting Hardware, O-rings
• manufacturer warranty: 1 Year
• material: Alloy
• maximum flow: Cfm
• mounting flange type: Spread Bore
• needle valve: 3.3
• note: No Instruction Included
• notice: This Is Aftermarket Replcement Part.
• oe/oem part number: 1904r, 1906r, 17066422, 17066425, 17066432, 17066493, 17066553, 17066556, 17066563, 17066605, 17080202, 17080204, 17080207, 17080228, 17080274, 17080282, 17080284, 17081282, 17081283, 17081284, 17081285, 17082230, 17065524, 17067256, 17082280, 17082281, 17082282, 17082283, 17082284, 17083282, 17083283, 17084284, 17067258, 17067266, 17067268, 17084285, 17084288, 17084289, 17067280, 17067284, 17067336, 17068501, 17068503, 17068505, 17068587, 17068590, Carburetor, Carburettor, Carburetter, Carb, Carby, Carburetor Electric Choke, 4 Bbl Carburetor, 4 Bbl Carb
• part type: Intake Fuel System
• type: Carburetor
• universal fitment: No
• venturi diameter: 31.7mm

offer carbcoon:

• sold: 0
• started: March 16, 2026
• availability: In Stock
• best offers: True
• options: Ship-to-home
• quantity: 3

payments carbcoon:

• credit card: Visa
• wallet: Google-pay
• other

general carbcoon:

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

returns carbcoon:

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

shipping carbcoon:

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

seller carbcoon:

• rating: 99.0%
• city: Rowland height, California
• # reviews: 1256

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