Borg Warner Turbo Super Core Assembly EFR B2 9274Borg Warner Turbo Super Core Assembly EFR B2 9274 PN: 12747100021 Compressor Wheel Inducer: 72mm Center Cartridge: Ball Bearing Exhaust Wheel Exducer: 65mm Exhaust Wheel OD: 74mm

When inserted into the valve guide

making this cylinder head an ideal foundation for both street and competition builds

Dual Feed Body

and performance enhancement

Turbine Wheel OD (mm): 87

Comes with ARP install bolt kit

Part Number: 854572-5001S

we highly recommend the use of the following upgrade components:

Designed for reliability in heavy-duty fleet

Ensure consistent fuel optimization and engine protection with this half-case of MaxMPG All Season Diesel Additive

Build Dates: 3/17/2014-7/5/2016

new bearings