Carburetor Fuel Pressure Regulator – For Holley 12-803
Adjustable 4.5–9 PSI – 3/8" NPT Ports – Chrome Finish
Important Tips Before Purchasing
Please confirm the part number (12-803) and ensure this item fits your application before ordering.
No installation instructions included – professional installation is highly recommended.
If you have any questions, please contact us first.
Product Specifications
| Attribute | Details |
|---|---|
| Condition | 100% Brand New – High Quality |
| Type | Carburetor Fuel Pressure Regulator |
| Pressure Range | 4.5 – 9 PSI (Adjustable) |
| Restriction | 0.220" (7/32") |
| Port Configuration | 3/8" NPT (1 inlet, 2 outlets) |
| Material | Zinc Alloy |
| Finish | Chrome |
| Manufacturer Part Number | 12-803 |
| Interchange Part Number | 12-803 |
| Fitment Type | Direct Replacement / Performance/Custom |
| Mounting Hardware | Included |
Product Features
According to original factory specifications – perfect match for your Holley carburetor setup
Own different test machines to design exact accurate parameters – all switches tested for performance
Made of high quality material – lightweight, anti-rust, colorfast, and durable
Aftermarket product with premium quality
Stable performance and high reliability – suitable for replacing your broken regulator
Adjustable fuel regulation from 4.5 to 9 PSI
Chrome finish for a polished look
Compatibility
Fits Holley 2‑Port carburetor applications requiring 4.5–9 PSI fuel pressure
Package Includes
1 x Carburetor Fuel Pressure Regulator
Note
If you have any questions about compatibility or installation, please contact us before purchasing.
Professional installation is highly recommended (no instructions included).