What exactly is included in the BorgWarner SuperCore Assembly EFR B2 8374?

This product is the core assembly itself, featuring the EFR B2 8374 turbocharger with an aluminum bearing housing. It is designed to be the central component around which a complete custom turbocharger system is built.

What additional parts are needed to make this a functional turbocharger?

As a SuperCore assembly, you will need to source a compatible turbine housing, and ensure you have the correct oil feed and drain lines, coolant lines if applicable, and exhaust and intake plumbing to integrate it into your engine. Proper wastegate setup is also essential.

Can this turbocharger be used in California?

No, this BorgWarner SuperCore Assembly is not CARB approved and cannot be shipped to California due to emissions regulations.

BorgWarner EFR B2 8374 SuperCore Assembly 12839097000

Name: BorgWarner SuperCore Assembly EFR B2 8374 (Aluminum B. Hsg)
Brand: BorgWarner
SKU: borgwarner-borgwarner-supercore-assembly-efr-b2-8374-aluminum-b-hsg-t14-22654
Price: 2383.70 USD
Availability: BackOrder

BorgWarner SuperCore Assembly EFR B2 8374 (Aluminum B. Hsg)

$2383.70

On Backorder

Order now to reserve yours — we'll ship as soon as stock arrives. Full refund if we're unable to fulfill.

BorgWarner EFR B2 8374 SuperCore Assembly (Aluminum B. Hsg).

Key Features

This product is the BorgWarner EFR B2 8374 SuperCore Assembly.
It includes an aluminum bearing housing for effective heat management.
The EFR series is BorgWarner's line of performance turbocharger components.
This assembly is designed as a core for custom turbocharger builds.
Not CARB approved; cannot ship to California.

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Product Details

What you get with this BorgWarner SuperCore Assembly is the EFR B2 8374 core itself, featuring an aluminum bearing housing. This is the heart of a high-performance turbocharger system, designed for serious builders looking to maximize their engine's power output. It's a well-built component that forms the foundation for a custom turbo setup, allowing you to pair it with your choice of turbine housings and other supporting modifications to achieve your specific performance goals.

The EFR (Engineered for Racing) series from BorgWarner is known for its advanced design and robust construction. This particular B2 8374 model is a popular choice for many performance applications because it balances responsiveness with the ability to produce significant airflow for higher horsepower targets. The aluminum bearing housing is a key feature, helping to manage heat effectively and contributing to the overall durability of the unit under demanding conditions. When you're building a custom forced induction system, starting with a strong core like this BorgWarner assembly is crucial for reliability and performance.

Because this is a SuperCore assembly, it's intended for experienced builders or shops that are comfortable sourcing and assembling the remaining components needed for a complete turbocharger. This includes selecting the appropriate turbine housing to match your engine's displacement and power goals, as well as ensuring proper oil and coolant lines are plumbed correctly. It's important to note that this part is not CARB approved and cannot be shipped to California. Always refer to the manufacturer's installation guide for detailed instructions and recommended supporting modifications.