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HOLLEY Mech Fuel Pump GM Bb 110 GPH

Original price was: £257.89.Current price is: £244.99. Inc. VAT

SKU: HOL12-454-11 Categories: , , Brand:

Description

Part Number: 12-454-11

Holley 110 GPH Mechanical Fuel Pump – GM Big Block Chevy

Engineered for high-performance GM Big Block Chevy V8 engines, providing a massive 110 GPH free-flow fuel delivery without requiring an external pressure regulator.

Key Features & Benefits

  • High-Flow Output: Delivers 110 GPH free flow rate to satisfy performance street and strip carbureted setups.
  • No Regulator Required: Preset shutoff pressure between 6.5 and 8 PSI eliminates the need for an external fuel pressure regulator.
  • 360-Degree Rotatable Body: Casting rotates to simplify mounting, fuel line routing, and frame rail clearance.
  • Continuous High-RPM Duty: Built with heavy-duty internal valves and diaphragm for continuous high-rev competition.
  • Standard NPT Plumbing: Features female 3/8″ NPT inlet and outlet ports for custom plumbing options.

Technical Specifications

Brand Holley
MPN 12-454-11
Engine Compatibility GM Big Block Chevy (BBC V8)
Free Flow Rate 110 GPH
Shutoff Pressure 6.5 – 8.0 PSI
Inlet / Outlet Port Size 3/8″ NPT
Fuel Type Gasoline / Petrol
Pump Type Mechanical

What’s Included in the Box

  • 1 x Holley 12-454-11 110 GPH Mechanical Fuel Pump
  • 1 x Premium Mounting Gasket

As an industry leader in high-performance fuel systems for over a century, Holley products deliver unrivaled reliability. Trust JP Racing for genuine Holley motorsport hardware, complete with technical guidance and fast UK delivery.

Frequently Asked Questions

No. The Holley 12-454-11 mechanical fuel pump features a factory preset shutoff pressure between 6.5 and 8.0 PSI, which is designed to feed standard carburetors directly without needing an external fuel pressure regulator.

No, part number 12-454-11 is designed specifically for GM Big Block Chevy (BBC V8) engines. Small Block Chevy (SBC) engines feature a different flange mounting pattern and require a SBC-specific pump such as Holley part number 12-327-11.

Yes, the lower body casting of the Holley 12-454-11 can be rotated up to 360 degrees. This allows you to orient the 3/8" NPT inlet and outlet ports for optimum clearance around chassis rails and custom fuel lines.

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