Holley's universal bypass fuel pressure regulator is built for street or track fuel systems where superior flow and pressure control matter. Base pressure adjusts from 15-90 PSI, and the regulator includes both a gauge port and a boost reference port. Machined from 6061-T6 billet aluminum, this -8AN version pairs a black anodized body with a clear anodized top.
Specifications:
- Style: Bypass, adjustable
- Pressure Range: 15-90 PSI
- Port Size: -8AN (inlet x1, outlet x2)
- Boost Reference: 1/8" NPT port, 1:1 ratio
- Gauge Port: 1/8" NPT
- Material: 6061-T6 billet aluminum, black anodized body / clear anodized top
- Mounting bracket included
- Warranty: Manufacturer's Limited 1 Year Warranty
- Part Number: 12-895
This regulator is designed for systems with a return line back to the tank and electric pumps only.
FAQ
What port size does this regulator use?
The 12-895 uses -8AN ports; the 12-894 version uses -6AN ports.
What pressure range is adjustable?
It adjusts from 15-90 PSI.
Does this work with a return-style fuel system?
Yes, it's designed for systems with a return line back to the tank, used with electric pumps only.
Is a mounting bracket included?
Yes, a mounting bracket ships with the regulator.

