BorgWarner EFR B2 74mm Turbine Housing 1.05 A/R T4 Twin Scroll

Save 22%
SKU: BWA12741019002
No reviews

About BorgWarner BorgWarner engineers high-quality automotive parts and accessories trusted ...Read More

Price:
Sale price$994.81 Regular price$1,267.28
Add To Cart
×

Car Wheel Size Chart

Wheel Diameter (inches) Tire Width (mm) Aspect Ratio Rim Width (inches)
14185655.5
15195606.0
16205556.5
17215507.0
18225457.5
19235408.0
20245358.5

Note: Wheel and tire sizes vary by car make and model. Always consult your vehicle’s manufacturer for exact specifications.

How to Read Tire Size

Example: 225/45R17 means:

  • 225 = Tire width in mm
  • 45 = Aspect ratio (height as % of width)
  • R17 = Rim diameter in inches

Product Details

Product Description
Part Numbers
Sizing & Fit

About BorgWarner

BorgWarner engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full BorgWarner lineup with fast shipping and expert fitment support — order with confidence.

Watch in action

BorgWarner EFR B2 74mm Turbine Housing - 1.05 A/R, T4 Twin Scroll

Optimize your turbocharger's performance with the BorgWarner EFR B2 74mm Turbine Housing. This high-flow housing features a 1.05 A/R ratio and a T4 twin-scroll inlet, designed to enhance exhaust gas velocity and improve turbocharger spool characteristics for a broader powerband.

Key Features and Benefits:

  • 74mm Turbine Wheel: Specifically designed to match the dimensions of the BorgWarner EFR 74mm turbine wheel, ensuring optimal efficiency and flow.
  • 1.05 A/R Ratio: This specific A/R (Area/Radius) ratio is tuned for a balance between low-end response and top-end power, suitable for a wide range of applications.
  • T4 Twin Scroll Inlet: The T4 flange provides a robust connection, while the twin-scroll design allows for better exhaust pulse separation, leading to quicker spool-up and improved turbine efficiency.
  • Durable Cast Iron Construction: Made from high-quality, high-temperature resistant cast iron to withstand the extreme conditions of boosted engine operation.
  • Direct Fit for EFR Turbos: Engineered as a direct replacement or upgrade component for BorgWarner EFR series turbochargers utilizing a 74mm turbine wheel and T4 twin-scroll housing.

This BorgWarner turbine housing is an excellent choice for enthusiasts looking to fine-tune their turbo system for maximum performance. Whether you are building a custom turbo setup or upgrading an existing EFR turbo, this housing will help you achieve faster spool, improved throttle response, and increased overall power output. Enhance your forced induction system with reliable BorgWarner quality.

Product Details

Product Description
Part Numbers
Sizing & Fit

About BorgWarner

BorgWarner engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full BorgWarner lineup with fast shipping and expert fitment support — order with confidence.

Watch in action

BorgWarner EFR B2 74mm Turbine Housing - 1.05 A/R, T4 Twin Scroll

Optimize your turbocharger's performance with the BorgWarner EFR B2 74mm Turbine Housing. This high-flow housing features a 1.05 A/R ratio and a T4 twin-scroll inlet, designed to enhance exhaust gas velocity and improve turbocharger spool characteristics for a broader powerband.

Key Features and Benefits:

  • 74mm Turbine Wheel: Specifically designed to match the dimensions of the BorgWarner EFR 74mm turbine wheel, ensuring optimal efficiency and flow.
  • 1.05 A/R Ratio: This specific A/R (Area/Radius) ratio is tuned for a balance between low-end response and top-end power, suitable for a wide range of applications.
  • T4 Twin Scroll Inlet: The T4 flange provides a robust connection, while the twin-scroll design allows for better exhaust pulse separation, leading to quicker spool-up and improved turbine efficiency.
  • Durable Cast Iron Construction: Made from high-quality, high-temperature resistant cast iron to withstand the extreme conditions of boosted engine operation.
  • Direct Fit for EFR Turbos: Engineered as a direct replacement or upgrade component for BorgWarner EFR series turbochargers utilizing a 74mm turbine wheel and T4 twin-scroll housing.

This BorgWarner turbine housing is an excellent choice for enthusiasts looking to fine-tune their turbo system for maximum performance. Whether you are building a custom turbo setup or upgrading an existing EFR turbo, this housing will help you achieve faster spool, improved throttle response, and increased overall power output. Enhance your forced induction system with reliable BorgWarner quality.

Product Details

Product Description

About BorgWarner

BorgWarner engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full BorgWarner lineup with fast shipping and expert fitment support — order with confidence.

Watch in action

BorgWarner EFR B2 74mm Turbine Housing - 1.05 A/R, T4 Twin Scroll

Optimize your turbocharger's performance with the BorgWarner EFR B2 74mm Turbine Housing. This high-flow housing features a 1.05 A/R ratio and a T4 twin-scroll inlet, designed to enhance exhaust gas velocity and improve turbocharger spool characteristics for a broader powerband.

Key Features and Benefits:

  • 74mm Turbine Wheel: Specifically designed to match the dimensions of the BorgWarner EFR 74mm turbine wheel, ensuring optimal efficiency and flow.
  • 1.05 A/R Ratio: This specific A/R (Area/Radius) ratio is tuned for a balance between low-end response and top-end power, suitable for a wide range of applications.
  • T4 Twin Scroll Inlet: The T4 flange provides a robust connection, while the twin-scroll design allows for better exhaust pulse separation, leading to quicker spool-up and improved turbine efficiency.
  • Durable Cast Iron Construction: Made from high-quality, high-temperature resistant cast iron to withstand the extreme conditions of boosted engine operation.
  • Direct Fit for EFR Turbos: Engineered as a direct replacement or upgrade component for BorgWarner EFR series turbochargers utilizing a 74mm turbine wheel and T4 twin-scroll housing.

This BorgWarner turbine housing is an excellent choice for enthusiasts looking to fine-tune their turbo system for maximum performance. Whether you are building a custom turbo setup or upgrading an existing EFR turbo, this housing will help you achieve faster spool, improved throttle response, and increased overall power output. Enhance your forced induction system with reliable BorgWarner quality.

DRIVERS Also Bought

Recently viewed