MAXPEEDINGRODS HLB51C Barrel Carburetor Engine 1904R 1906R 5.0L 5.7L

( Brand: Maxpeedingrods ), ( Manufacturer Part Number: HLB51C ), ( 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 4 Barrel ), ( Fitment 2: For Chevy 5.0l 305cu, 5.7l 350cu 1980-1989 ), ( Fitment Type: Direct Replacement ), ( Items Included: Gasket, Mounting Hardware, O-rings ), ( Manufacturer Warranty: 1 Year ), ( 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 ), ( Part Type: Intake Fuel System ), ( Type: Carburetor ), ( Universal Fitment: No ), ( Venturi Diameter: 31.7mm )

Review MAXPEEDINGRODS Barrel Carburetor For Chevrolet 5.0l 5.7l Engine fits 305 350 1980–1989

The Maxximus HLBL51C barrel carburetor is a high-performance replacement option for Chevrolet engines with a displacement of 305, 350, or 5.0L, and 5.7L, manufactured between the years 1980 to 1989. This specific model is suitable for engine types 1904R and 1906R.

The Maxximus HLBL51C is an edelbrock-style carburetor designed to deliver optimal engine performance and fuel efficiency. Its barrel configuration consists of a primary venturi with a diameter of 1.650 inches and a secondary venturi with a diameter of 2.020 inches. The carburetor's bowl capacity is 1.4 quarts, providing ample fuel supply for larger engines.

This carburetor features a progressive linkage system, which allows for smooth fuel delivery and consistent idling. The choke mechanism is designed to be easy to operate, ensuring a quick and effective starting process. The carburetor comes with a new gasket set and necessary hardware for an easy and straightforward installation.

The HLBL51C is engineered with a finned aluminum body, which not only enhances the carburetor's aesthetics but also helps dissipate heat for better performance. The carburetor's needle and seat jet kit are adjustable, allowing for fine-tuning of the air-fuel mixture to cater to different driving conditions and engine modifications.

Additionally, the Maxximus HLBL51C comes with a 12-month manufacturer's warranty, providing peace of mind and ensuring that customers receive a high-quality product. This carburetor is an excellent choice for those seeking improved engine performance and fuel efficiency for their Chevrolet engine.

The Maxxispeedingrods HLBL51C barrel carburetor is a popular aftermarket option for Chevrolet 1904R, 1906R, 305, 350, and 5.0L/5.7L engines produced between 1980-1989. This carburetor offers several advantages and disadvantages when compared to the original equipment (OEM) carburetors.

1. Improved Performance: The Maxxispeedingrods HLBL51C carburetor is designed to provide better fuel mixture and air flow, resulting in improved engine performance and increased horsepower.

2. Adjustability: This carburetor comes with more adjustability options, allowing users to fine-tune the fuel mixture for various driving conditions and engine modifications.

3. Durability: The Maxxispeedingrods HLBL51C carburetor is built with high-quality materials and components, making it more durable than many OEM carburetors and offering better resistance to wear and tear.

4. Better Idle Control: The HLBL51C carburetor features improved idle control, allowing for smoother and more stable engine operation at low RPMs.

1. Complexity: Installing and tuning the Maxxispeedingrods HLBL51C carburetor requires more time and expertise compared to an OEM carburetor due to its increased adjustability options and complexity.

2. Cost: The HLBL51C carburetor is generally more expensive than an OEM carburetor, making it a more significant investment for some car owners.

3. Potential for Fuel Leaks: Due to the increased complexity and adjustability options, there is a higher potential for fuel leaks when using this aftermarket carburetor.

The Maxxispeedingrods HLBL51C carburetor is an excellent choice for Chevrolet 1904R, 1906R, 305, 350, and 5.0L/5.7L engine owners seeking improved performance, better adjustability, and increased durability. However, it comes with a higher cost and increased complexity compared to OEM carburetors, and there is a potential for fuel leaks due to its advanced features.

If you have the expertise and time to install and tune the carburetor, and you're willing to invest in the improved performance and durability, the Maxxispeedingrods HLBL51C carburetor is a solid recommendation for your Chevrolet engine. However, if you're looking for a more straightforward and cost-effective option, an OEM carburetor may be a better choice for you.

Details:

Replaces Part Numbers. 5.0L 5.7L Engine 1980 - 1989. High hardness and corrosion resistance, longer usage life. Do not have connector.

Improve the structure during manufacturing process, high accuracy. Quick, Simple. 1x Carburetor, 1 x Flange Gaskets, Air filter gaskets, Tool for Pushing Plug, 4x Plugs, 8x jets. Drive Type: Electric Choke.

Compact size, less fuel consumption, energy saving and economical. Aftermarket brand new, ensure superior and reliable quality. Always the correct part. Fast Shipping.

G guaranteed Fitment. Need to tune based on the actual situation. 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. Let your vehicles speed up in a short time, better driving experience.

Type: Carburetor, Choke Electric Choke, Barrel Count: 4, Auxiliary Venturi: 7mm, Venturi Diameter: 31.7mm, Main jets: 190, Air correction Idle 120, Needle Valve: 3.3, cfm : 650/750, Placement on Vehicle: Front, Fitment Direct Replacement. Package Included. Control the speed of engine under stable condition, effective operation.

As shown in the picture.

part #: hlb51c prices

• $119.00-$179.10

specifications carbcoon:

• for models: 305, 350
• for makes: Chevrolet
• for years: 1980-1989
• brand: Maxpeedingrods
• mpn: Hlb51c
• 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 4 Barrel
• fitment 2: For Chevy 5.0l 305cu, 5.7l 350cu 1980-1989
• fitment type: Direct Replacement
• items included: Gasket, Mounting Hardware, O-rings
• manufacturer warranty: 1 Year
• 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
• part type: Intake Fuel System
• type: Carburetor
• universal fitment: No
• venturi diameter: 31.7mm

returns carbcoon:

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

offer carbcoon:

• options: Ship-to-home
• sold: 0
• availability: In Stock
• started: November 13, 2025
• best offers: True

seller carbcoon:

• rating: 98.8%
• # reviews: 640
• city: Dayton, New Jersey

payments carbcoon:

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

shipping carbcoon:

• cost: $0.00
• class: Standard
• type: Fixed
• carrier: FedEx
• transit: 4-8 Days
• service: FedEx Ground / FedEx Home Delivery

general carbcoon:

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

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