BorgWarner S400SX4 (S471) Turbocharger 71.4mm - T6 1.32 A/R

BorgWarner AirWerks S400SX4 Turbocharger - 71mm Inducer, 96mm Turbine, T6 1.32 A/R

BorgWarner SKU: BWA171701
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The AirWerks S400SX4 is a complete BorgWarner journal bearing turbocharger, with the S400SX4 line rated for 500-1050 hp. This version pairs a 100.17mm extended tip compressor wheel (71.08mm inducer) with a 95.7mm turbine wheel (88.05mm exducer) in a 1.32 A/R T6 inlet turbine housing. It runs on twin hydrodynamic journal bearings, and the compressor and turbine housings can be clocked to suit the installation.

Specifications

Type Complete turbocharger
Series AirWerks S400SX4
Power Range 500-1050 hp (S400SX4 line)
Compressor Wheel Extended tip, 71.08mm inducer, 100.17mm outer diameter
Turbine Wheel 88.05mm exducer, 95.7mm outer diameter
Turbine Housing 1.32 A/R, T6 inlet, twin flow volute
Bearing Twin hydrodynamic journal bearings
Service Kit 176391 (standard) or 14007110003 (360 degree thrust bearing)
Quantity 1
Part Number 171701

Documents: S400SX4 Spec Sheet (PDF)

What power range is the S400SX4 line rated for?

  • The AirWerks S400SX4 line is rated for 500-1050 hp; the right size for a build depends on the engine and boost target.

What turbine housing does it come with?

  • A 1.32 A/R housing with a T6 inlet.

What bearings does it use?

  • Twin hydrodynamic journal bearings, serviceable with the listed service kit.

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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