Holley
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Holley 12-835 80 GPH Mechanical Fuel Pump
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Holley 12-835 80 GPH Mechanical Fuel Pump
Free-flow output range of 80-130 GPH
Holley 12-835 80 GPH Mechanical Fuel Pump
Item #: 18681255

Holley 12-835 80 GPH Mechanical Fuel Pump

Item #: 18681255
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Free-flow output range of 80-130 GPH
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What Stands Out

High Flow Rate
Delivers up to 80 gallons per hour, ensuring consistent fuel supply for high-performance engines during demanding situations.
Robust Design
Engineered for durability, this mechanical fuel pump withstands harsh conditions, making it ideal for street and race applications alike.
Easy Installation
Features a straightforward installation process, allowing users to quickly replace or upgrade their fuel pump with minimal hassle.

Product Details

Shop Holley 12-835 80 GPH Mechanical Fuel Pump online at a best price in Taiwan. B000CMDV8E
  • Designed for stock or mildly modified engines
  • Free-flow output range of 80 to 130 GPH
  • Can be rotated 360-degrees for easy mounting
  • Not compatible with methanol or alcohol fuels
  • Not for use with fuel injection systems
  • Features 3/8 pipe thread inlet and outlet ports
Fit TypeVehicle Specific Fit
Compatible with Vehicle TypeV8 engines
Part Interchange Info12-835
Auto Part PositionUnknown
Outlet Connection Type1/4 NPT Female
Inlet Connection Type1/4 in NPT Female
Gas TypeGasoline
Mounting TypeBracket Mount
Operation ModeMechanical
Product GradePerformance Part
Automotive Fit TypeVehicle Specific Fit
OEM Equivalent Part Number12-835
Connector TypeNPT
Material TypeAluminum
Body MaterialAluminum
Specification MetOE
Product StylePerformance
Item Dimensions7 x 5.7 x 4.1 inches (17.8 x 14.5 x 10.4 cm)
Item Weight1.2 Pounds (540 grams)
Outlet Connection Size0.25 Inches (0.6 cm)
Inlet Connection Size0.25 Inches (0.6 cm)
Brand NameHolley
Manufacturer Part Number12-835
Global Trade Identification Number00090127020357
ManufacturerHolley
UPC090127020357
Model NumberHOL 12-835
Included ComponentsItem
Unit Count1.0 Count
BrandHolley
Vehicle Service TypeV8 engines
Item dimensions L x W x H7 x 5.7 x 4.1 inches (17.8 x 14.5 x 10.4 cm)
MaterialAluminum

Dangerous Goods

To avoid the delay in customs clearance process for Dangerous Goods, the shipment shall be opened at our warehouse facility to check the severity of hazardous components. Please see the list of Dangerous goods here.

Who Should Buy?

Suitable For
  • Classic Car Owners

    Ideal for classic car enthusiasts seeking reliable and high-performance fuel delivery for vintage engines.

  • Race Applications

    Perfect for racers needing consistent fuel flow to support high-performance engines during competitions.

  • Restoration Projects

    Great choice for vehicle restorations, ensuring that original fuel systems function efficiently and effectively.

Not Suitable For
  • Modern Fuel Systems

    Not suitable for modern cars with electronic fuel injection systems which require electric fuel pumps.

Product Description

Holley 12-835 80 GPH Mechanical Fuel Pump

Have any Query? Chat with us

Customer Questions & Answers

  • Question: What is the capacity of the Holley 12-835 Mechanical Fuel Pump?

    Answer: The Holley 12-835 mechanical fuel pump has a maximum flow rate of 80 gallons per hour (GPH). This makes it suitable for moderate to high-performance engines that require a consistent fuel supply. The 80 GPH capacity ensures that your vehicle receives adequate fuel delivery, especially during high-demand situations such as acceleration or racing. Installing this pump in cars with performance modifications can help maintain optimal power without risking fuel starvation.
  • Question: Is the Holley 12-835 Fuel Pump compatible with all engine types?

    Answer: The Holley 12-835 fuel pump is primarily designed for use with carbureted engines. While it works exceptionally well with most gasoline-based engines, it may not be compatible with certain electronic fuel injection systems. For vehicles using carburetors, this pump provides reliable fuel flow, ensuring peak performance during demanding conditions. If you're considering upgrades or modifications, always check compatibility based on your specific engine type and setup.
  • Question: Can the Holley 12-835 fuel pump be installed manually?

    Answer: Yes, the Holley 12-835 fuel pump can typically be installed manually with basic mechanical skills. It comes with standard mounting brackets and fittings, allowing for easy integration into most engine compartments. Ensure to follow the installation instructions provided by Holley for optimum results. For best practices, consider consulting a professional if you're unfamiliar with automotive fuel systems, as proper installation is crucial to avoid leaks or performance issues.
  • Question: What are the dimensions and weight of the Holley 12-835 fuel pump?

    Answer: The Holley 12-835 mechanical fuel pump has compact dimensions, making it easy to install in tight engine spaces. Its weight is relatively light, allowing for seamless adaptability in various applications. Knowing the dimensions is crucial for planning the installation spot in your vehicle. It’s designed to fit in popular muscle cars and classic vehicles while maintaining sufficient clearance for other components.
  • Question: What type of fuel does the Holley 12-835 pump work with?

    Answer: The Holley 12-835 mechanical fuel pump is designed to work exclusively with gasoline. It’s not suitable for diesel or alternative fuels such as E85 without special modifications. The fuel pump is engineered to deliver reliable performance in gasoline engines, maintaining the fuel flow required during high-demand scenarios such as off-road driving or street racing. Always ensure that your vehicle is compatible with this fuel type for optimal functionality.
  • Question: How does the Holley 12-835 maintain fuel pressure?

    Answer: The Holley 12-835 mechanical fuel pump operates using a diaphragm that is activated by an eccentric lobe on the camshaft. This mechanism helps maintain consistent fuel pressure, ensuring that the engine receives the necessary fuel for efficient operation. Consistent fuel pressure is vital, especially during acceleration, which allows for improved combustion and overall vehicle performance. Regularly checking and maintaining the fuel system will help in prolonging its lifespan and efficiency.
  • Question: Are there any specific mounting requirements for the Holley 12-835 fuel pump?

    Answer: Yes, the Holley 12-835 fuel pump should be mounted in a suitable location that minimizes exposure to heat and ensures proper fuel flow. It is generally recommended to install the pump below the fuel tank to utilize gravity for efficient fuel delivery. Proper mounting secures the pump and reduces vibration, enhancing longevity and performance. Make sure to align the pump with the inlet and outlet pipes for a smooth fuel passage.
  • Question: What maintenance is required for the Holley 12-835 mechanical fuel pump?

    Answer: Maintaining the Holley 12-835 fuel pump involves regular inspections for leaks, ensuring the fuel filters are clear, and checking the fuel lines for wear. Keeping the fuel pump clean from contaminants helps in avoiding clogs and potential damage. For optimal performance, inspect the pump during routine vehicle maintenance. Regular checks can prevent fuel delivery issues and prolong the lifespan of the fuel system.
  • Question: Is the Holley 12-835 fuel pump suitable for racing applications?

    Answer: Absolutely! The Holley 12-835 mechanical fuel pump is well-suited for racing applications due to its high flow rate of 80 GPH. This ensures that your engine receives a consistent fuel supply under the stress of high RPMs and power demands. Many performance enthusiasts install this pump in modified engines to improve throttle response and overall performance. If you're considering racing or track days, this pump is an excellent investment for maintaining fuel stability during competition.
  • Question: Where can I buy the Holley 12-835 80 GPH Mechanical Fuel Pump?

    Answer: You can purchase the Holley 12-835 80 GPH Mechanical Fuel Pump from Ubuy, which offers a convenient way to access automotive parts and accessories in Taiwan. Ubuy provides a range of options and ensures a seamless shopping experience. With competitive prices and reliable service, Ubuy is a popular choice for sourcing quality automotive products.

Holley Mechanical Fuel Pumps HOL 12-835 Editorial Review

The Holley 12-835 80 GPH Mechanical Fuel Pump seems to have generated mixed reviews from customers who have used it. Some users have reported instances of the pump failing within a short period of time, with complaints about the quality of the materials used. There were also instances of the pump not maintaining Consistent pressure, leading to concerns about engine performance and potential damage. Overall, it appears that this fuel pump may not be the most reliable choice for users looking for Consistent performance and durability. Customers have highlighted issues such as the pump failing within minutes of use or not maintaining pressure levels, raising doubts about its effectiveness. **

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Pros

  • High flow rate of 80 GPH
  • Easy to install

Cons

  • Reports of pump failing within minutes of engine operation

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Features & Benefits

  • Compatible with stock or mildly modified engines
  • Heavy duty construction can withstand long periods at high RPM
  • Body casting can be rotated to accommodate various plumbing situations
  • Not for use with methanol or alcohol fuels or fuel injection systems
  • Has 3/8 pipe thread inlet and outlet ports
  • Shutoff pressure pre-set from 7.5 PSI

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