
( Brand: Holley ), ( Type: Air Induction Fuel Delivery Gt; Carburetor Components Gt; Accel ), ( UPC: 090127688861 ), ( Manufacturer Part Number: 20-11HB ), ( Material: Aluminum )
Review HOLLEY 50cc Accelerator Pump Conversion Kit Aluminum Hard Core Gray
The Holley 20-11HB 50cc Accelerator Pump Conversion Kit, core exchange, is an essential upgrade for carbureted small-block Chevrolet engines seeking improved throttle response and acceleration. This kit is specifically designed for engines using the Holley 2000, 2300, 4150, or 4160 series carburetors.
The heart of this conversion kit is the 50cc accelerator pump. This high-performance pump delivers more fuel to the carburetor during acceleration, ensuring a smooth and powerful response from the engine. The pump is meticulously engineered for precise fuel delivery, reducing the likelihood of surges or flooding.
The Holley 20-11HB kit also includes a new diaphragm and pushrod assembly. The diaphragm is made of a durable, high-quality material that resists wear and tear, ensuring consistent fuel delivery over long periods. The pushrod assembly is designed to provide a positive connection between the accelerator pump and the carburetor, eliminating leaks and improving overall performance.
This conversion kit is a core exchange item, meaning that you will need to provide a usable Holley 2-31, 2-337, or 2-339 accelerator pump as part of the purchase. The kit comes with a new gasket and all necessary hardware for installation.
Installing the Holley 20-11HB 50cc Accelerator Pump Conversion Kit is a straightforward process that can be completed in a few hours with basic hand tools. The kit includes detailed instructions to guide you through the installation process, ensuring a successful outcome.
In summary, the Holley 20-11HB 50cc Accelerator Pump Conversion Kit is an excellent investment for small-block Chevrolet engine enthusiasts looking to improve throttle response and acceleration. With its high-performance 50cc pump, durable diaphragm and pushrod assembly, and straightforward installation process, this kit is a must-have for any serious carbureted small-block Chevrolet builder.
The Holley 20-11HB 50cc Accelerator Pump Conversion Kit is designed to enhance the performance of carbureted engines by providing an increased fuel delivery rate during acceleration. Here are some potential pros and cons of buying this conversion kit:
Pros:1. Improved Acceleration: The larger 50cc pump delivers more fuel to the engine during acceleration, which can result in improved throttle response and acceleration.
2. Suitable for High-Performance Engines: The Holley 2300 series carburetors are commonly used in high-performance applications, and this conversion kit is specifically designed for them.
3. Easy Installation: The kit comes with all the necessary parts and instructions for installation, making it a relatively straightforward process for most do-it-yourselfers.
4. Durable Construction: The pump housing is made of aluminum, which is lightweight and resistant to corrosion, and the diaphragm is made of a high-quality elastomer material.
Cons:1. Cost: The Holley 20-11HB 50cc Accelerator Pump Conversion Kit is more expensive than the stock 25cc pump, which may be a deterrent for some buyers.
2. Requires Adjustment: The larger pump requires more fuel pressure to operate effectively, and the fuel pressure may need to be adjusted to ensure proper operation.
3. Compatibility: This conversion kit is specifically designed for Holley 2300 series carburetors and may not be compatible with other types of carburetors.
In conclusion, the Holley 20-11HB 50cc Accelerator Pump Conversion Kit offers several benefits for carbureted engines, including improved acceleration and durability. However, it comes with a higher cost and potential compatibility issues that should be considered before making a purchase. Ultimately, if you're looking to improve the performance of your high-performance engine and are willing to invest in a quality aftermarket part, this conversion kit may be worth considering. Otherwise, the stock pump may be sufficient for your needs.
part # 2011hb prices
- $103.95-$123.11
specifications carbcaddie:
- brand: Holley
- type: Air Induction Fuel Delivery Gt; Carburetor Components Gt; Accel
- upc: 090127688861
- manufacturer part number: 20-11HB
- material: Aluminum
shipping carbcaddie:
- transit: 2-6 Days
- type: Fixed
- carrier: UPS
- class: Standard
- service: UPS Ground
- cost: $0.00
returns carbcaddie:
- paid by: Buyer
- policy: Returns Accepted
- time: 30 Days
offer carbcaddie:
- availability: In Stock
- options: Ship-to-home
- started: March 27, 2025
- sold: 0
seller carbcaddie:
- # reviews: 46813
- rating: 99.2%
payments carbcaddie:
- credit card: Diners-club
- other
- wallet: Paypal
general carbcaddie:
- condition: New
- Car Truck Parts Accessories > Air Fuel Delivery > Carburetor Parts
Holley 20-11HB Is Similar To:
- Holley 121-25-2 Accelerator Pump Standard Nozzles 2 .025 Inch 2300 4150 4160 (48.4% similar) $44.53–$70.92. (August 24th, 2024)
- Holley 121-31 Accelerator Pump Tube Type Discharge Nozzle .031 Inch 2300 4150 4160 (39% similar) $40.31–$44.79. (August 24th, 2024)
- Holley 36-240 Air Bleed Jets Assortment Kit (35% similar) $362.99–$440.17. (August 24th, 2024)
- Holley 37-119 Model 4160 4 Barrel 600 Cfm Carb Rebuild Kit (32.6% similar) $43.42–$58.36. (August 25th, 2024)
- Holley 37-1536 Carburetor Renew Kit 4160 (39.3% similar) $119.99–$218.35. (August 25th, 2024)
- Holley 45225 45-225 Manual Choke Conversion Kit Fit All Models 2300 4150 And 4160 (41.8% similar) $51.62–$64.88. (August 25th, 2024)
- Holley 45-224 See Desc Performance Choke Conversion Kit (45.5% similar) $17.20–$59.00. (August 26th, 2024)
- Rpc R2083 Holley Carburetor Throttle Return Kit (30.6% similar) $21.99–$33.49. (September 6th, 2024)
- Gearzaar 45-223 For Holley Carburetor Electric Choke Conversion Kit With Coil (41.6% similar) $37.19. (September 20th, 2024)
- Holley 4777-4 650 Double Pumper Core For Rebuild Carburetor (42.6% similar) $66.49–$70.99. (September 23rd, 2024)
- Spectre 5932 Nos 1 Inch Aluminum Carb Spacer Square Bore Holley-edelbrock (34.7% similar) $46.71. (September 26th, 2024)
