Vortech V-1 Heavy Duty Si-Trim Supercharger Head Unit - CCW Rotation - Straight Discharge - Polished (2A129-048)
Polished V-1 Heavy Duty Si-Trim Head Unit for High-Boost Street & Strip Builds
The Vortech V-1 Heavy Duty Si-Trim Supercharger Head Unit is engineered for the latest generation of improved-breathing, high-output street and strip engines that demand strong airflow and dependable high-boost performance. Built on Vortech's proven centrifugal supercharger design and equipped with a heavy duty gearcase, this head unit delivers excellent efficiency and durability under sustained high-RPM operation.
The Si-Trim compressor provides vastly improved flow and efficiency at elevated boost levels, unlocking substantial power potential while maintaining consistent, repeatable performance. This configuration features counter-clockwise (CCW) rotation, a straight discharge outlet, and a premium polished finish, making it ideal for custom installations requiring specific rotation and direct charge-pipe routing.
Key Features
- V-1 Heavy Duty gearcase for high-load, high-RPM operation
- Si-Trim compressor optimized for high-boost efficiency and airflow
- Ideal for improved-breathing, high-power street and strip engines
- Straight discharge configuration for direct charge piping layouts
- Counter-clockwise (CCW) rotation
- High-quality polished finish
Performance Specifications
- Internal Step-Up Ratio: 3.45:1
- Maximum Speed: 55,000 RPM
- Maximum Boost: 26 PSI
- Maximum Airflow: 1,150 CFM
- Maximum Power: 775 HP
- Peak Efficiency: 78%
Performance specifications apply to units equipped with a heavy duty gearcase.
Dimensions
- Discharge OD: 2.75"
- Discharge ID: 2.38"
- Inlet OD: 3.5"
- Inducer Diameter: 3.1"
Quick Specs
- Manufacturer: Vortech Superchargers
- Part Number: 2A129-048
- Series: V-1 Heavy Duty Si-Trim
- Rotation: Counter-Clockwise (CCW)
- Discharge: Straight
- Finish: Polished
Important Notes
- NOT AVAILABLE OR LEGAL FOR SALE IN CALIFORNIA
FAQs
- What type of builds is this head unit best suited for?
This V-1 Heavy Duty Si-Trim head unit is ideal for high-power street and strip builds that require strong airflow, high boost capability, and sustained high-RPM operation. - Why choose the Heavy Duty gearcase?
The heavy duty gearcase is designed to handle higher loads and prolonged high-speed operation, making it well-suited for aggressive boost levels and higher horsepower applications.
Why Buy from Beefcake Racing?
Beefcake Racing is an authorized Vortech Superchargers dealer with extensive experience in high-performance forced-induction setups. Whether you're confirming rotation and discharge orientation, selecting pulley combinations, or planning supporting upgrades, our team is here to make sure your supercharger system is matched correctly from the start.
Email: sales@beefcakeracing.com
Phone: 1-855-827-7223
CA Residents: WARNING: Cancer and Reproductive Harm www.P65Warnings.ca.gov

