BorgWarner EFR 9274 Super-Core Assembly B2 Frame Cast Iron Bearing Housing

The BorgWarner EFR 9274 Super-Core Assembly is a genuine BorgWarner replacement core designed for EFR 9274 turbochargers utilizing a B2 frame size and cast iron bearing housing. This super-core assembly is ideal for rebuilds, repairs, or performance refreshes where maintaining OEM-level reliability and performance is critical.

Built with BorgWarner’s race-proven EFR technology, the 9274 super-core is engineered to withstand extreme thermal loads and high shaft speeds commonly seen in high-horsepower street and motorsport applications. The cast iron bearing housing provides superior durability and heat resistance, making it well suited for demanding environments where strength and longevity are priorities.

This is a factory BorgWarner component, ensuring precise fitment, balance, and performance when installed correctly within a compatible EFR 9274 turbocharger assembly.

Key Features & Benefits

• Genuine BorgWarner EFR Super-Core Assembly

• Designed specifically for EFR 9274 turbochargers

• B2 frame size configuration

• Cast iron bearing housing for extreme thermal durability

• Ideal for turbo rebuilds or service replacements

• Factory-engineered for reliability and performance

• Maintains OEM EFR balance and efficiency

Technical Specifications

• Turbo Series: EFR

• Turbo Type: 9274

• Frame Size: B2

• Component Type: Super-Core Assembly

• Bearing Housing Material: Cast Iron

• Manufacturer: BorgWarner

What’s Included

• BorgWarner EFR 9274 Super-Core Assembly

Additional housings, hardware, and accessories sold separately.

Installation Notes

• Intended for experienced installers or professional turbo rebuild facilities

• Must be matched with compatible EFR 9274 compressor and turbine housings

• Professional installation and balancing verification recommended

Why Choose BorgWarner EFR Components?

BorgWarner EFR turbochargers and components are trusted worldwide for their cutting-edge engineering, durability, and performance under extreme conditions. Using genuine BorgWarner super-core assemblies ensures proper fitment, longevity, and performance retention in high-output turbo systems.