EFR 8474 Black


The EFR 8474 comes along featuring new compressor wheels with updated blade geometries and larger inducer diameters. The new blade shapes and larger inducer diameters, along with matching compressor covers, result in increased mass air flow and enable engines to achieve 950HP!

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Along with increasing the wheel size, the compressor wheel blade shape and contour have been optimized to maximize flow while minimizing efficiency hits. BorgWarner also created a distinct compressor cover contour profile to maximize the air flow through the turbocharger. The new compressor wheels have been anodized black for visual impact and to differentiate the new models from existing EFR Series products. With the design changes to the compressor wheel and cover, the company?s latest aftermarket parts will provide up to an extra 200 horsepower (hp) than was previously possible

Gamma-Ti Turbine Wheel
Integrated Compressor Recirculation Valve (CRV)
Dual Ceramic Ball Bearing Assembly with Metal Cage
Boost Control Solenoid Valve (BCSV)
Black Anodized Forged Milled Compressor Wheel (FMW)
Extended Tip Technology
Compressor Cover with Speed Sensor Mounting Provisions
Turbo Frame Size: B2
Comp Wheel Inducer: 68mm
Comp Wheel Exducer: 84
Turbine Wheel Exducer: 65mm
Turbine Wheel OD: 74mm

Additional information

Weight N/A
Dimensions N/A
Turbine Housing

None, T3 .83 A/R IWG, T4 .92 A/R Twin Scroll IWG, T4 1.05 A/R Twin Scroll, T4 1.45 A/R Twin Scroll External WG



Borgwarner Turbos EFR & Airwerks