Product images and videos are provided by our supplier partners and may not always be perfectly accurate. Not sure this fits? or call (760) 282-4645 and we’ll verify before you order.
Exterior Components› Body Panels and Components
Holley
EFI Fuel Press Regulator 15-90 PSI W/6an Ports
SKU: H00E 12-894
Moderate — 2–4 hours
Overview
Constructed from billet aluminum with a black and clear anodized finish, this regulator includes fittings for manifold reference. It is compatible with E85, gasoline, and methanol fuels.
Show original supplier description
Part #: 12-894
Holley EFI universal bypass fuel pressure regulators are for use with fuel systems in street or track applications. They feature adjustable base pressure from 15-90 psi, a gauge port, and a boost reference port as well. The regulators are ideal for vehicles/systems where superior flow and pressure control are desired. The regulators are precision machined from 6061-T6 billet aluminum for strength and durability. They feature a black bright dip anodized body and a clear bright dip anodized top for corrosion resistance and good looks. The Holley 12-894 has -6AN port sizes and the 12-895 has -8AN port sizes.
Features:
- Adjustable from 15-90 psi for precise fuel pressure adjustments
- Constructed of billet aluminum with a black anodized base and clear anodize top for good looks
- Used in systems with a return line back to tank
- Includes fitting for manifold reference
- Use with electric pumps only
- Available in -6AN and -8AN Port sizes
- 1/8-inch NPT Boost Reference Port (Ratio 1:1)
- 1/8-inch NPT Fuel Gauge Port
- Mounting bracket included
Holley EFI 15-90 PSI Fuel Regulator 6AN Boost Reference 1:1
Product descriptions are provided by our supplier partners and may not always be perfectly accurate. Not sure this fits? or call (760) 282-4645 and we’ll verify before you order.
Fitment
Fitment Guaranteed
Don’t gamble
on fit.
Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.
Available on iOS & Android
Specifications
| Brand | Holley |
| Part Number | H00E 12-894 |
| Weight | 0.75 lb |
Videos
Holley Die Cast Bypass Fuel Pressure Regulators
Holley’s Die Cast Return Style Fuel Pressure Regulators
Holley FPR Issues
Fixing Holley Sniper EFI Fuel Pressure Problems with an External Adjustable Fuel Pressure Regulator
Holley Sniper EFI fuel pressure
Holley Sniper Air Fuel Ratio Issues & Start Up Issues Symptoms & Fix
Sniper 2 Installation and Review - Blueprint 383 Stroker 1980 Camaro
Holley Sniper EFI - Return Line and Fuel Tank Venting
Holley’s Compact Fuel-Rail or Throttle-Body Mounted Return-Style EFI Fuel Pressure Regulators
Holley Sniper High Fuel Pressure Fix!
Expert Tips for Installing the Holley Sniper EFI 2 Fuel System
Holley Sniper Fuel Pressure Problems - How to Fix Them
HOLLEY SNIPER EFI: High Fuel Pressure Solution
About MOTORMIA
Buy with Confidence
Returns & Fitment
Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.
View Full Return PolicyShipping
Orders are processed in 1–3 business days. In stock parts ship promptly from our partner network. Special-order items either aren’t currently stocked or are built to your spec — expect 4–6 weeks. If a part goes on backorder while your order is in the queue, we’ll reach out and work through discounted alternatives together.
Free shipping over $200 in the continental US. Alaska, Hawaii, U.S. territories (Puerto Rico, U.S. Virgin Islands, Guam, American Samoa, and the Northern Mariana Islands), and international orders carry surcharges — most appear at checkout. Some exceptions (LTL freight, or suppliers who quote freight only after we place the order) won’t. In those cases we’ll reach out with the exact charge before your order moves forward.
View Full Shipping Policy