ProCharger F-1R Self-Contained Centrifugal Supercharger Head Unit - 1,250 HP - 1,700 CFM - 38 PSI Max Boost - Satin Finish - PC326A-xxx
The ProCharger F-1R Self-Contained Centrifugal Supercharger Head Unit is engineered for serious street and competition combinations that require substantial airflow, four-digit horsepower capability, and the installation convenience of a self-contained lubrication system. Rated to support up to 1,250 supercharged horsepower while flowing as much as 1,700 CFM, the F-1R gives builders the compressor capacity needed for aggressive drag racing, street/strip, marine, and custom forced-induction applications.
Designed for engines producing approximately 375-550 naturally aspirated horsepower, the F-1R can generate up to 38 PSI of boost. Its centrifugal compressor delivers progressive boost as engine RPM rises, helping provide manageable low-speed power delivery, predictable throttle response, and hard-charging upper-RPM performance when properly matched to the engine combination.
High-Flow F-Series Performance
The F-1R is built for combinations that have moved beyond smaller F-Series head units and need additional compressor capacity without stepping into the much larger ProCharger race platforms. Its published 1,700 CFM airflow rating and 1,250 HP capability provide the headroom needed for demanding four-digit horsepower builds.
A 9.75-inch volute, 4.05-inch inlet, 4.00-inch inducer, 6.00-inch exducer, and 3-inch outlet create the airflow path required for high-output applications. These dimensions distinguish the F-1R from the F-1C and other smaller F-Series configurations while retaining packaging that remains practical for many custom installations.
Self-Contained Oiling for Simplified Installation
The F-1R uses ProCharger's proven self-contained oiling system, eliminating the need for engine oil feed and return lines. Its dedicated 4-ounce oil capacity reduces external plumbing and helps simplify both installation and routine maintenance compared with an engine-oiled centrifugal supercharger.
Reverse-rotation capability provides additional flexibility for custom mounting brackets, crank-drive systems, belt routing, and installation layouts. This makes the F-1R a versatile choice for purpose-built race cars, high-horsepower street vehicles, marine combinations, and custom fabrication projects.
Engineered for Demanding Operating Conditions
The F-1R uses a 5.40:1 internal step-up ratio and carries a maximum impeller-speed rating of 68,000 RPM. This combination allows the compressor to reach the operating speed needed to support its published airflow and horsepower capacity as engine speed increases.
For properly prepared combinations, the F-1R provides the airflow headroom required for serious horsepower goals while preserving the smooth, progressive power delivery associated with centrifugal supercharging. Final performance depends on the complete engine combination, pulley ratio, intercooling, fuel system, calibration, and supporting hardware.
This listing is for the satin-finish ProCharger F-1R head unit. Mounting brackets, pulleys, belts, crank-drive components, intercoolers, charge tubing, bypass valves, fuel-system upgrades, tuning, and installation hardware are not included unless specifically stated elsewhere in the listing.
Features
- Supports engine combinations producing up to 1,250 supercharged horsepower
- Designed for approximately 375-550 naturally aspirated horsepower applications
- Maximum airflow rating of 1,700 CFM
- Maximum boost capability of 38 PSI
- Self-contained oiling system eliminates engine oil feed and return lines
- Large 9.75-inch volute for high-flow performance applications
- 4.05-inch inlet and 4.00-inch inducer
- Maximum impeller speed of 68,000 RPM
- 5.40:1 internal step-up ratio
- Reverse-rotation capability for custom installations
- Satin-finish centrifugal supercharger head unit
Quick Specs
- Manufacturer: ProCharger
- Model: F-1R
- Part Number: PC326A-xxx
- Product Type: Self-Contained Centrifugal Supercharger Head Unit
- Finish: Satin
- Maximum Supercharged Horsepower: 1,250 HP
- Motor Base Horsepower Range: 375-550 HP
- Maximum Airflow: 1,700 CFM
- Maximum Boost: 38 PSI
- Volute Diameter: 9.75 in.
- Inlet Hose Diameter: 4.05 in.
- Inducer Diameter: 4.00 in.
- Exducer Diameter: 6.00 in.
- Outlet Hose Diameter: 3.00 in.
- Outlet Inside Diameter: 2.62 in.
- Maximum Impeller Speed: 68,000 RPM
- Internal Step-Up Ratio: 5.40:1
- Oil Capacity: 4 oz.
- Self-Contained Oiling: Yes
- Reverse Rotation: Yes
Published performance figures are based on ProCharger specifications and are not absolute. Actual horsepower, airflow, and boost will vary based on the engine combination, pulley ratio, intercooling, fuel system, tuning, installation, and operating conditions.
Frequently Asked Questions
How does the ProCharger F-1R differ from the F-1C?
The F-1R carries higher published ratings of 1,250 HP and 1,700 CFM and uses a larger 4.05-inch inlet, 4.00-inch inducer, and 6.00-inch exducer. It is intended for builders who need more compressor capacity than the F-1C provides while retaining self-contained lubrication and a 9.75-inch volute.
Does the ProCharger F-1R require engine oil lines?
No. The F-1R uses a self-contained oiling system with a published 4-ounce oil capacity. It does not require engine oil feed or return lines. Follow ProCharger's lubrication, mounting-orientation, service, and maintenance requirements.
Why Buy from Beefcake Racing?
Choosing the correct ProCharger F-Series head unit requires matching airflow, horsepower capacity, engine output, pulley ratio, intended use, and future upgrade plans. Beefcake Racing can help you compare the available head units and select the supporting intercooler, fuel-system, crank-drive, and bypass components needed for a complete, reliable combination.
For product questions or ordering assistance, call 1-855-827-7223 or email sales@beefcakeracing.com.
CA Residents: WARNING: Cancer and Reproductive Harm www.P65Warnings.ca.gov

