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Holley 170+ GPH HP Series Mechanical Fuel Pump 12-327-25

SKU: 12-327-25

Availability: In stock

Handling Time: 30 Days


170+ GPH HP Series Mechanical Fuel Pump

Street/Strip Carbureted Applications
Fits Small Block Chevy V8s
Compatible with Gasoline

The HP Billet Mechanical Pumps are constructed from CNC machined 6061-T6 aluminum to provide the utmost strength and superior looks. The HP pumps feature a CNC billet aluminum finish for long lasting good looks. The HP series also feature -8 AN inlet and outlet fittings already installed. The base can be rotated independently from the top so it can be tailored to your application. The HP series has a free-flow number of 170GPH and a pre-set idle fuel pressure of 7.5PSI. No regulator is required.


  • HP series flow 170 GPH
  • Made from 6061-T6 billet aluminum for durability & good looks
  • HP series feature a CNC billet finish for good looks
  • Male -8AN inlet and outlet already installed
  • Preset Idle fuel pressure of 7.5 PSI
  • A/N fittings included with all pumps
  • Bases are independently rotatable from the top for ease of installation
  • No fuel pressure regulator required

Installation Note:* Fittings cannot be removed


  • Application: Chevrolet Small Block
  • Brand: Holley
  • Color: Silver
  • Emission Code: 5
  • Free Flow GPH: 170
  • Free Flow LPH: 644
  • Fuel Type: Gasoline
  • Inlet Size: 8 AN Male
  • Material: Aluminum
  • Outlet Size: 8 AN Male
  • Product Type: Fuel Pump
  • Warning: California Proposition 65
  • Warranty: Limited 90 Day