What is the main advantage of the ceramic ball bearing system in this turbo?

The ceramic ball bearing system significantly reduces friction within the turbocharger. This allows for faster spool-up, meaning the turbo reaches optimal boost pressure more quickly, and also contributes to improved durability and longevity of the turbo's rotating assembly.

What does the '0.85 a/r VOF WG' specification mean for the turbine housing?

The '0.85 a/r' refers to the Area/Radius ratio of the turbine housing, which influences exhaust gas flow and spool characteristics. 'VOF WG' indicates it has a V-band outlet and an internal wastegate, designed for efficient exhaust management and boost control.

What supporting modifications are typically needed when installing this turbocharger?

To effectively utilize this turbocharger, you will likely need to upgrade your engine's fuel system to deliver adequate fuel for the increased air intake. Proper engine tuning is also essential to optimize performance and ensure the engine operates safely with the new boost levels.

BorgWarner EFR Turbocharger 11589880034

Name: BorgWarner Turbocharger EFR B1 6758F 0.85 a/r VOF WG
Brand: BorgWarner
SKU: borgwarner-borgwarner-turbocharger-efr-b1-6758f-0-85-a-r-vof-wg-t14-4385194
Price: 2662.16 USD
Availability: BackOrder

BorgWarner Turbocharger EFR B1 6758F 0.85 a/r VOF WG

$2662.16

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 B1 6758F turbocharger with 0.85 a/r VOF WG. Advanced design for improved performance.

Key Features

Fits: BorgWarner EFR B1 6758F turbocharger
Part Number: 11589880034
Compressor Wheel: 67mm
Turbine Wheel: 58mm
Turbine Housing A/R: 0.85
Turbine Outlet: V-band

This is a universal turbocharger and is not specific to a particular vehicle make or model. Consult with a professional or refer to manufacturer fitment data to ensure compatibility with your engine and build.

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Product Details

This is the BorgWarner EFR B1 6758F turbocharger, part number 11589880034. It's built for enthusiasts looking to significantly upgrade their vehicle's forced induction system. The EFR (Engineered for Racing) series from BorgWarner is known for its robust construction and advanced features, designed to handle demanding performance applications. This particular model features a 67mm compressor wheel and a 58mm turbine wheel, offering a good balance for a wide range of engine builds. The 0.85 A/R (Area/Radius) turbine housing with a V-band outlet and internal wastegate (VOF WG) is optimized for quick spool and efficient exhaust gas flow.

What sets this turbo apart is its advanced design elements. It uses a forged-milled aluminum compressor wheel for strength and reduced weight, which helps improve boost response. The turbine side features a ceramic-ball bearing system, reducing friction and allowing for faster spool-up compared to traditional journal bearing turbos. This also contributes to increased durability. The stainless steel turbine housing is designed to withstand high temperatures, a critical factor in high-performance turbocharging. The integrated wastegate actuator is pre-calibrated to help maintain consistent boost pressure, simplifying installation and tuning.

When installing a turbocharger like this, it's important to ensure your engine's lubrication and cooling systems are in top condition. Proper oil supply and drainage are crucial for the longevity of the turbo's bearings. You'll also want to consider supporting modifications such as an upgraded fuel system and engine tuning to take full advantage of the turbocharger's capabilities. Please note that this turbocharger is not CARB approved and cannot be shipped to California.