Air and Fuel› Fuel Pumps, Regulators and Components
Holley
REG, FUEL PRESSURE 4.5-9 PSI M/P 10-17
SKU: H00E 12-803
Easy — 1–2 hours
Description
The Holley 12-803 features 3/8" NPT inlet and outlet ports, a 7/32" restriction, and a chrome finish. It includes a mounting bracket for convenience. The adjustable fuel regulation range is from 4.5 to 9 psi.
Fitment
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Available on iOS & Android
Specifications
| Brand | Holley |
| Part Number | H00E 12-803 |
| Weight | 0.55 lb |
Videos
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Buy with Confidence
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.
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