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1978 GMC C15 Mechanical Fuel Pump 8 Cyl 5.0L Holley

4 on 8 ratings
  • Features:
    • High Output Fuel Flow
    • Flows 170 gph Free Flow
    • Shutoff Pressure Pre-Set At 8 PSI
    • Fuel Pressure Regulator Required Recommend P/N 12-704
    • Heavy Duty Construction For Continuous High rpm Operation
    • Redesigned High Flow Valves Ensure Adequate Fuel Delivery
    • Fuel Body Casting Can Be Rotated For Plumbing Situations
    • 3/4in.-16 Inlet And Outlet Ports
    • Fittings Not Included
  • Holley mechanical fuel pumps range from 80 GPH to 225 GPH in many various applications to meet the fuel demands of most engines. Whether you are looking for a street performance or an all out race mechanical fuel pump, Holley has the pump you need.

Additional Fitment Information:
Vehicle Block CC Engine CID
1978 GMC C15 V - 8 Cyl 5.0L 305
2 In Stock
Best Price:

$360.30 USD
$432.36 USD
Brand Holley
Part # H1912-327-20
Condition New
Warehouse B
Holley

C15 Holley Mechanical Fuel Pump 12-327-20 1978 GMC
  • Free Flow GPH 170+; Free Flow LPH 644; Gasoline; 8 AN O-Ring - 3/4-16 SAE Inlet/Outlet; Silver
  • Keith Dorton Series VoluMax Race Series Fuel Pump; Free Flow GPH 170+; Free Flow LPH 644; Gasoline; 8 AN O-Ring - 3/4-16 SAE Inlet/Outlet; Silver;
  • Keith Dorton Series VoluMax Race Series Fuel Pump

    • General

    WARNING CA Proposition 65
    Yes
    Fuel Type
    Gasoline
    Outlet Size
    8an O-ring - 0.750 In. - 16 Sae
    WARNING CA Proposition 65 Message
    Warning: Cancer And Reproductive Harm - Www.p65warnings.ca.gov
    Fully Open
    644
    Inlet Size
    8an O-ring - .75 -16 Sae
    Free Flow GPH
    170

    Packaging

    package quantity
    1
    weight
    1.55 lb
    Information on technical characteristics, the delivery set, the country of manufacture and the appearance of the goods is for reference only and is based on the latest information available at the time of publication.
    1. Capedbandit
      11 Apr, 2015
      Looked good. Came with gasket and a sticker, but no instructions. Also, did not fit my '55 Chevy with 327, so I cannot comment on its performance.
    2. Nancy M Jones
      29 Oct, 2014
      just what we needed
    3. Rzrman "Dr. Hogan"
      20 Oct, 2014
      Good quality!
    4. Patrick Taylor
      23 Sep, 2014
      Great pump looks great and performs great, I only wish they would include everything to use it right out of the box, not have to buy fittings extra.
    5. Ak70stang
      17 Aug, 2014
      Nice fuel pump on my 347 stroker.
    6. Dh
      05 Aug, 2014
      Well made. Fit and finish is great. The angles of the in and out were not a good match for my car. Even with moving the bottom to a close spot it required a harsh bend. So I used a 90 and a locally built steel braided flex with ptfe inner coating section. Other than that, advertised psi is spot on. Would by another in a heartbeat.
    7. James M Barker
      03 Aug, 2013
      My boat runs great, this solved a problem of hard starting and poor running I fought for over a year that my mechanic attributed to carb problems. The only issue I had was that the fittings did not line up with the old one. I could line up the outlet fitting, but the inlet was off and I had to bend new fuel line to fit. The pressure I measured from this pump is about 8 psi.
    8. Chris Crossont
      24 Feb, 2012
      If you have an engine that is making less than 500HP, and you prefer a mechanical pump, then this will work well for you. I recommend at least a 3/8" fuel line from the tank to the pump for best efficiency.

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