Air and Fuel Superchargers, Turbochargers and Components

Rotrex

C38-91 Supercharger

$5,054.00

SKU: R50-3891-000

In Stock
In Stock
Ships by Aug 5
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30 Days Return
INSTALL DIFFICULTY
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Advanced — 4+ hours

Description

The Rotrex C38-91 supercharger represents an advanced solution in forced induction, merging the advantages of both supercharging and turbocharging technologies. Its unique design leverages a patented Rotrex traction drive, enabling the unit to reach high rotational speeds that optimize the performance of its centrifugal compressor and impeller. The C38-91 model boasts a specially developed impeller wheel, engineered by Rotrex for superior overall efficiency. This unit is capable of supporting up to 650 horsepower and is recommended for engines within the 2.4-liter to 6.0-liter displacement range. The C38-91 utilizes the proprietary Rotrex planetary traction drive, achieving a 7.5:1 drive ratio and enabling impeller speeds as high as 90,000 RPM. The package includes the Rotrex Supercharger unit, a self-contained oiling system, a magnetic oil filter, 8 feet of oil lines, an oil reservoir kit, and 1 liter of Rotrex SX150 oil. This part is noted as Universal, meaning it is not application-specific and requires custom installation. Buyers should verify fitment and ensure all necessary supporting modifications and tuning are performed by qualified professionals.

MIA's Description

The Rotrex C38-91 supercharger is a centrifugal unit designed to combine the benefits of supercharging and turbocharging. It features a Rotrex-developed impeller wheel for improved efficiency and a patented traction drive system. This compact supercharger is capable of producing up to 650hp and is suitable for engine sizes ranging from 2.4L to 6.0L.

Fitment

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Specifications

BrandRotrex
Part NumberR50-3891-000
CategoryAir and Fuel

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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