JEGS 555-16705 Race Cfm Carburetor Mechanical Secondaries

( Brand: Jegs ), ( Manufacturer Part Number: 555-16705 ), ( Choke Type: No Choke ), ( Type: Carburetor ), ( Mounting Flange Type: Square Bore ), ( Material: Aluminum ), ( Features: Mechanical Secondaries ), ( Universal Fitment: Yes ), ( Vintage Part: No )

Review JEGS Race Series Cfm Carburetor Mechanical Secondaries fits 750

Introducing the 555-16705 Race Carburetor, a mechanical secondary unit with an impressive flow rate of 750 CFM. This carburetor is specifically designed for high-performance racing applications, delivering precise fuel mixtures to optimize engine performance.

The 555-16705 features mechanical secondaries, which utilize vacuum-operated diaphragms to provide additional fuel for high RPM operation. This design offers excellent response and power delivery, making it a popular choice among racers and performance enthusiasts.

This carburetor boasts a number of advanced features, including a high-performance throttle shaft, adjustable idle mixture and idle jet, and a fine-tuned accelerator pump. The throttle shaft is designed for smooth operation and quick response, while the adjustable idle mixture and jet allow for easy tuning to achieve the perfect idle setting. The accelerator pump is finely tuned to ensure proper fuel delivery during acceleration, ensuring optimal power and performance.

The 555-16705 is constructed from high-quality materials, including billet aluminum and stainless steel components. The body is CNC-machined for precise fitment and durability, while the vacuum secondaries are constructed from high-quality diaphragms for long-lasting performance. The carburetor is also finished with a durable powder coat paint, ensuring it looks as good as it performs.

Installation of the 555-16705 is made easy with its convenient mounting bosses and clearance for factory air cleaners. The carburetor also comes with a set of gaskets and hardware for a hassle-free installation process.

In summary, the 555-16705 Race Carburetor is a high-performance mechanical secondary unit with a flow rate of 750 CFM. It features advanced design elements such as vacuum-operated secondary diaphragms, adjustable idle mixture and jet, and a finely tuned accelerator pump. Constructed from high-quality materials and designed for ease of installation, this carburetor is an excellent choice for those seeking maximum power and performance from their racing application.

The 555-16705 Race carburetor, manufactured by Holley, is a mechanical secondary carburetor with a flow rate of 750 CFM. This carburetor is popular among racing enthusiasts due to its high performance capabilities. Here are some pros and cons of buying this carburetor:

1. High Flow Rate: With a flow rate of 750 CFM, this carburetor can provide the necessary fuel for high-performance engines.

2. Mechanical Secondaries: Mechanical secondaries provide an additional fuel source during wide-open throttle (WOT) conditions, which can help improve engine performance and power.

3. Adjustability: This carburetor offers a high degree of adjustability, allowing users to fine-tune the fuel mixture for optimal engine performance.

4. Durability: Holley carburetors are known for their durability and reliability, making them a popular choice among racers and performance enthusiasts.

5. Wide Application: This carburetor can be used in a variety of applications, including street rods, drag racing, and circle track racing.

1. Complexity: Mechanical secondary carburetors can be more complex to install and tune compared to single-plane or double-pumper carburetors.

2. Cost: This carburetor is more expensive than some other options on the market, which may be a deterrent for some buyers.

3. Fuel Consumption: Due to its high performance capabilities, this carburetor may consume more fuel than some other options, which could be a concern for those looking to save on fuel costs.

4. Maintenance: Mechanical secondary carburetors require more frequent maintenance than some other types of carburetors, which could be a concern for those who don't have the time or resources to dedicate to regular maintenance.

In conclusion, the 555-16705 Race carburetor is a high-performance option that offers many advantages for racers and performance enthusiasts. Its high flow rate, mechanical secondaries, adjustability, durability, and wide application make it a popular choice. However, its complexity, cost, fuel consumption, and maintenance requirements are important considerations that should be taken into account before making a purchase.

If you are looking for a high-performance carburetor for racing or performance applications, the 555-16705 Race carburetor is a solid option to consider. However, it is important to weigh the advantages against the potential drawbacks and ensure that you have the time, resources, and expertise to properly install and maintain this carburetor. If you are looking for a more affordable or less complex option, you may want to consider a single-plane or double-pumper carburetor instead.

Details:

part #: 55516705 price

• $585.99

specifications carbcoon:

• for models: 750
• brand: Jegs
• mpn: 555-16705
• choke type: No Choke
• type: Carburetor
• mounting flange type: Square Bore
• material: Aluminum
• features: Mechanical Secondaries
• universal fitment: Yes
• vintage part: No

shipping carbcoon:

• class: Standard
• cost: $17.00
• carrier: UPS
• service: UPS Ground
• type: Calculated
• transit: 4-10 Days

payments carbcoon:

• credit card: Discover
• other
• wallet: Paypal

returns carbcoon:

• policy: No Returns

seller carbcoon:

• # reviews: 47
• rating: 100.0%
• city: Saint Augustine, Florida

offer carbcoon:

• availability: In Stock
• options: Ship-to-home
• sold: 0
• best offers: True
• quantity: 1
• started: April 5, 2026

general carbcoon:

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

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