This Holley mechanical fuel pump delivers 110 GPH free flow for street/strip carbureted Pontiac 301-455 V8 applications running on gasoline.
Specifications:
- Application: Pontiac 301-455 V8
- Free Flow: 110 GPH
- Fuel Type: Gasoline
- Material: Aluminum
- Shutoff Pressure: Pre-set 6.5-8 PSI
- Inlet/Outlet: 1/4 in. NPT
- Fuel Pressure Regulator: Not required
- Part Number: 12-389-11
Heavy-duty construction handles continuous high-rpm operation, and the fuel body casting can be rotated to accommodate different plumbing layouts.
FAQ
What engines does this pump fit?
All Pontiac 301-455 V8 carbureted applications.
How much fuel does it flow?
110 GPH free flow.
Do I need a separate fuel pressure regulator?
No, shutoff pressure is pre-set from 6.5 to 8 PSI and a regulator isn't required.
What size are the inlet and outlet fittings?
Both are tapped for 1/4 in. NPT.

