BorgWarner 12741008001 EFR B2 74mm .92 T4 Twin Scroll Wastegated Turbine Housing

Vehicle Fitment

• Universal Fitment

Features

• Designed for high-performance applications requiring 475-750 horsepower
• Utilizes a 74mm turbine wheel with a 65mm exducer
• Features a .92 A/R ratio T4 twin-scroll flange for optimal exhaust flow
• Incorporates a wastegate actuator for precise boost control
• Constructed from durable stainless steel for enhanced longevity
• Optimized for quick spool-up and reduced turbo lag
• Compatible with BorgWarner EFR B2 series turbochargers
• Ideal for both gasoline and diesel performance applications

Specifications

• Compressor Wheel Inducer Diameter: 74mm
• Compressor Wheel Outer Diameter: 76mm
• Turbine Wheel Outer Diameter: 74mm
• Turbine Wheel Exducer Diameter: 65mm
• Compressor Wheel Material: Forged Milled Wheel (FMW)
• Center Cartridge: Ball Bearing
• Compressor Housing Size: 4.0" / 2.5"
• Emissions: Off-road use only; not CARB legal

Included Components

• 1x BorgWarner 12741008001 Turbine Housing
• 1x Wastegate Actuator
• 1x V-Band Clamp
• 1x Gasket
• 1x Mounting Hardware Kit

Product Description

The BorgWarner 12741008001 Turbine Housing is engineered for high-performance enthusiasts seeking to optimize their EFR B2 turbocharger setup. With a 74mm turbine wheel and a .92 A/R ratio T4 twin-scroll flange, this housing is capable of supporting 475-750 horsepower, making it suitable for both gasoline and diesel applications.

Featuring a wastegate actuator, the turbine housing ensures precise boost control, while its stainless steel construction enhances durability and resistance to high exhaust temperatures. The optimized design promotes quick spool-up and reduced turbo lag, delivering improved throttle response and overall performance.

Installation is straightforward, with the included V-band clamp and mounting hardware facilitating a secure and leak-free connection. Please note that this turbine housing is intended for off-road use only and is not CARB legal. It's compatible with various turbine wheels within the BorgWarner EFR B2 series, allowing for customization to meet specific performance needs.