BorgWarner EFR 6258 Turbocharger - V-Band 0.64 A/R IWG

BorgWarner EFR 6258 Turbocharger - T25 0.64 A/R, Internal Wastegate

BorgWarner SKU: BWA179150
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The EFR 6258-A is a complete BorgWarner EFR turbocharger on the B1 frame, rated for 225-450 hp. It pairs a 62mm forged milled compressor wheel (49mm inducer) with a 58mm Gamma-Ti turbine wheel spinning on dual ceramic ball bearings, in a 0.64 A/R T25 inlet, single scroll turbine housing with a V-band outlet and internal wastegate with actuator assembled. The compressor recirculation valve, boost control solenoid valve and oil inlet fitting come installed from the factory.

Specifications

Type Complete turbocharger
Series EFR 6258-A
Frame B1
Power Range 225-450 hp
Compressor Wheel Forged milled (FMW), 49mm inducer, 62mm outer diameter
Turbine Wheel Gamma-Ti, 51mm exducer, 58mm outer diameter
Turbine Housing 0.64 A/R, T25 inlet, single scroll, V-band outlet
Wastegate Internal, actuator assembled
Bearing Dual ceramic ball bearing with metal cage
Bearing Housing Cast iron
Super Core 179140
What's in the Box
  • Turbocharger with wastegate actuator
  • Oil inlet fitting
  • Compressor recirculation valve (CRV) and boost control solenoid valve (BCSV) assembled
Quantity 1
Part Number 179150

Documents: EFR 6258 Spec Sheet (PDF) | EFR Quick Reference Guide (PDF)

What power range is the EFR 6258 rated for?

  • The EFR 6258 is rated for 225-450 hp on the B1 frame.

What comes assembled on the turbo?

  • The turbo comes assembled with the wastegate actuator, oil inlet fitting, compressor recirculation valve and boost control solenoid valve.

What turbine housing does it use?

  • A 0.64 A/R single scroll housing with a T25 inlet and a V-band outlet, with an internal wastegate.

Does the compressor cover accept a speed sensor?

  • Yes. The compressor cover has a speed sensor provision; the EFR Speed Sensor Kit 179430 is sold separately.

Shipping

  • Orders placed before 3 PM EST typically ship the same business day. Larger items ship within 1 to 3 business days.
  • Standard, expedited, and overnight options at checkout.
  • Oversized items ship by freight and take longer.
  • Special order items follow a lead time we confirm with you individually before the order is committed.
  • Backordered items ship as soon as stock lands. Lead times are manufacturer estimates and can change. Contact us for current ETAs.
  • Need to cancel? Email us right away. Cancellations are not guaranteed once an order is in process. In-stock orders cancel free before they ship; a 6% fee applies only to confirmed backorders and special orders.
  • International orders: prices do not include VAT, duties, or import fees. Your country charges these at import and they are the buyer’s responsibility.

Returns

  • 30 days from delivery to request and ship back a return on new, uninstalled items in original packaging with all hardware.
  • Standard returns: 8% restocking fee on the item price before tax and shipping. Shipping is not refunded in either direction. All waived if the item is defective or we made the error.
  • Fitment guaranteed: select your vehicle above, or confirm fitment with us in writing before you order. If the part shows as a fit and it is wrong, the return is on us, even after installation. Otherwise, installed or used parts cannot be returned.
  • Final sale: special orders, coilovers, electronics, engine internals, turbochargers, superchargers and turbo kits, unless defective or we sent the wrong item.
  • Product images may be representative. The SKU and specifications in the listing are what ships.
  • Email us for return authorization before shipping anything back.

Full details: Shipping Policy · Returns & Refunds · Warranty
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