HOLLEY 121-128 Accelerator Pump Discharge Nozzle 090127020753

( Brand: Holley ), ( Part Type: Pump Nozzle ), ( Manufacturer Part Number: 121-128 ), ( UPC: 090127020753 )

Review HOLLEY Accelerator Pump Discharge Nozzle

The Holley 121-128 Accelerator Pump Discharge Nozzle is an essential component in the fuel delivery system of certain Holley carburetor applications. This nozzle is specifically designed to provide precise and consistent fuel delivery to the carburetor's throat during acceleration, ensuring optimal engine performance.

The 121-128 Accelerator Pump Discharge Nozzle features a durable and corrosion-resistant brass construction, ensuring long-lasting reliability. The nozzle is designed with a 0.078-inch orifice size, which delivers the ideal fuel pressure for most Holley carburetor setups. The nozzle also includes a built-in check ball that helps prevent fuel from leaking back into the float bowl when the engine is idling, ensuring efficient fuel usage and reducing the risk of flooding.

The 121-128 Accelerator Pump Discharge Nozzle is easy to install and is compatible with various Holley carburetor models such as the 600 CFM Ultra series, 650 CFM Double Pumper, and 650 CFM Avenger. It is also suitable for various engine applications, including small block Chevroles, Ford, and Chrysler engines.

The nozzle is designed to meet the strictest emissions requirements, making it an excellent choice for street and racing applications where consistent and reliable fuel delivery is crucial. The Holley 121-128 Accelerator Pump Discharge Nozzle is a high-quality and affordable solution for maintaining optimal engine performance and ensuring a smooth and responsive driving experience.

In conclusion, the Holley 121-128 Accelerator Pump Discharge Nozzle is a critical fuel delivery component that provides precise and consistent fuel delivery during acceleration. Its durable brass construction, 0.078-inch orifice size, and built-in check ball make it a reliable and efficient choice for various Holley carburetor models and engine applications. With its compatibility with different engine types and emissions requirements, this nozzle is an excellent investment for anyone seeking to optimize their engine performance and enhance their driving experience.

The Holley 121-128 accelerator pump discharge nozzle is a crucial component in carbureted fuel systems, particularly for those using Holley carburetors. This part is responsible for delivering fuel to the carburetor's throat during rapid throttle openings, enabling smooth acceleration. Let's examine the pros and cons of buying this particular Holley accelerator pump discharge nozzle.

1. Quality: Holley is a reputable brand known for manufacturing high-quality automotive parts. The 121-128 accelerator pump discharge nozzle is no exception.

2. Improved Performance: A worn-out or incorrect discharge nozzle can lead to poor fuel delivery and adversely affect engine performance. Replacing it with a new Holley nozzle can help restore optimal engine performance.

3. Wide Applicability: This discharge nozzle is compatible with various Holley carburetor models, including 2300, 4150, 600 CFM, and 650 CFM series.

4. Easy Installation: The discharge nozzle is a straightforward part to install. It typically requires minimal tools and can be done in a short amount of time.

1. Cost: Compared to some aftermarket alternatives, the Holley 121-128 accelerator pump discharge nozzle might be considered expensive.

2. Availability: Depending on your location, you might not find this part readily available at your local auto parts store. You may need to order it online or from a specialized Holley dealer.

3. Requires Precision: Installing the discharge nozzle involves precise adjustments to ensure proper fuel delivery. This might require some fine-tuning and patience.

The Holley 121-128 accelerator pump discharge nozzle is a high-quality part that can help improve engine performance and fuel efficiency. Its wide applicability and ease of installation make it a popular choice among Holley carburetor users. However, its cost and potential availability issues might deter some buyers. Ultimately, the decision to purchase this discharge nozzle depends on your specific needs, budget, and availability of alternatives.

If you're looking for a reliable and effective accelerator pump discharge nozzle for your Holley carburetor, the 121-128 is a solid choice. Its high-quality construction and compatibility with various Holley carburetor models make it a worthwhile investment for those seeking optimal engine performance. However, if cost is a concern, consider exploring alternative aftermarket options before making your final decision.

part # 121128 prices

• $26.63-$39.93

specifications carbcaddie:

• brand: Holley
• part type: Pump Nozzle
• manufacturer part number: 121-128
• upc: 090127020753

shipping carbcaddie:

• type: Fixed
• class: Standard
• cost: $11.95
• service: UPS Ground
• carrier: UPS
• transit: 2-6 Days

seller carbcaddie:

• rating: 98.7%
• # reviews: 14091

offer carbcaddie:

• quantity: 10
• sold: 0
• started: February 20, 2025
• availability: In Stock
• options: Ship-to-home

payments carbcaddie:

• other
• credit card: Discover
• wallet: Paypal

returns carbcaddie:

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

general carbcaddie:

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

Holley 121-128 Is Similar To:

• Holley 121-25-2 Accelerator Pump Standard Nozzles 2 .025 Inch 2300 4150 4160 (62.9% similar) $44.53–$70.92. (August 24th, 2024)
• Holley 121-31 Accelerator Pump Tube Type Discharge Nozzle .031 Inch 2300 4150 4160 (70.8% similar) $40.31–$44.79. (August 24th, 2024)
• Holley 34r-4649 4150 Carburetor Primary Fuel Bowl Float Pump Double Pumper Vac (34.9% similar) $25.00–$84.96. (October 30th, 2024)
• Holley 1063-833 50cc Accelerator Pump Arm And Body Screws Assembly Fits Carburetor 4150 (48.9% similar) $26.72–$29.95. (November 23rd, 2024)
• Holley 121-225 Qft Aed Anti-pull Accelerator Pump Nozzle - .025 Used (62.1% similar) $20.00–$29.99. (November 23rd, 2024)
• Holley Hol50cc Carburetor Carb 50cc Accelerator Pump Cover Arm Lot 4-barrel 2-barrel (45.5% similar) $50.00. (December 3rd, 2024)
• Holley 121-132 Accelerator Pump Discharge Nozzle (97.9% similar) $24.57–$60.31. (December 11th, 2024)
• Inline Tube Gmfuel01 1967-72 Chevrolet Chevy Dual Feed Holley Fuel Block Pump To Carb Line Oem (29.6% similar) $33.00. (December 15th, 2024)
• Holley 20-11bk 50cc Accelerator Pump Conversion Kit - Aluminum Black Hardware (52.8% similar) $87.62–$118.43. (December 19th, 2024)
• Holley 26-140 Accelerator Pump Cover (71.4% similar) $48.99–$68.57. (December 20th, 2024)
• Batu Tc038-bk-zh-us For 4150 Holley Carburetor 6an Braided Dual Feed Carb Fuel Line Double Pump (22.4% similar) $25.99–$28.39. (December 23rd, 2024)