Brands
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BorgWarner
BorgWarner S310 Core Assembly
$1,800.65
BorgWarner
BorgWarner S3A Turbine Housing
$1,081.73
BorgWarner
BorgWarner SuperCore SX-R S300SX-R 68mm 8880
$1,450.61
$1,160.49
BorgWarner
BorgWarner SuperCore Assembly SX-R S300SX-R 68mm 8880
$1,283.34
$1,026.67
BorgWarner
BorgWarner SuperCore Assembly S300 SX-R 68mm 8876
$1,068.12
$854.49
BorgWarner
BorgWarner SuperCore Assembly SX-R S300SX-R 64mm 8476
$1,015.96
$812.77
BorgWarner
BorgWarner SuperCore S200 SX-R 58mm 7670
$1,258.83
$1,007.06
BorgWarner
BorgWarner SuperCore Assembly S200 SX-R 58mm 7670
$1,038.84
$831.07
BorgWarner
BorgWarner SuperCore S300 SX-R 68mm 8876
$1,312.47
$1,049.97
BorgWarner
BorgWarner SuperCore Assembly S300 SX-R 64mm 8476
$1,233.01
$986.41
BorgWarner
BorgWarner SuperCore Assembly SX-E S400SX-E 76mm 100/96
$2,273.61
$1,802.71
BorgWarner
BorgWarner SuperCore Assembly SX-E S400SX-E 72mm 96/87
$2,073.63
$1,658.91
A supercore is a turbo sold without the turbine housing, with the center housing rotating assembly and compressor housing already installed. That lets you build the exact turbo your setup needs by pairing it with a turbine housing in the A/R, inlet flange, scroll design, and wastegate configuration you choose. Supercores are common in performance turbo lines and suit custom builds, turbo kits, and upgrades where the factory housing options don't fit your needs. The turbine housing must be designed for the same series and turbine wheel, so shop by brand, series, and frame, then select the matching turbine housing. What sets super core assemblies apart is:
A supercore is a turbo with everything except the turbine housing. It typically includes the center housing, shaft and turbine wheel, compressor wheel, bearings, seals, and the compressor housing, assembled and ready to accept a turbine housing. [VERIFY: contents per SKU] Because the hot side is chosen separately, builders can tailor spool, drive pressure, and flange type to their manifold and power goals.
A cartridge (CHRA) is the rotating core only. You reuse both your compressor and turbine housings. It's common for repairs.
A supercore includes the compressor housing installed, so you only add the turbine housing. It's common for new performance builds.
A complete turbo includes everything, with a turbine housing chosen by the manufacturer. It's the simplest option when the standard configuration fits your build.
Start with your power goal and engine. Use the compressor map to choose a series and frame that keeps your target airflow in an efficient range. Your tuner can help confirm the choice.
Pair the turbine housing. Choose a turbine housing from the same series in the A/R and flange your build needs. A smaller A/R typically spools sooner; a larger A/R typically supports more top-end flow with lower drive pressure. [VERIFY: compatible turbine housings per SKU]
Plan the wastegate. Pick an internally wastegated turbine housing or an open housing with an external wastegate, depending on your boost control and manifold.
Check bearing type and oiling. Ball bearing supercores commonly require correct oil pressure and sometimes an oil restrictor. Follow the manufacturer's oil supply and drain requirements. [VERIFY: oil requirements per SKU]
Plan coolant lines. Water-cooled center housings should be plumbed to the cooling system as the manufacturer recommends.
The turbine housing contour has to match the turbine wheel's size and profile. A housing from a different series, or one built for another wheel, can cause wheel rub, poor efficiency, or a poor seal at the center housing. Always use a turbine housing listed as compatible with the supercore.
Super Core Assembly questions usually come down to what's included, which turbine housing to pair it with, and how to set up oiling and clocking correctly. The answers below cover the most common Super Core Assembly problems, such as turbine housing mismatches, wheel rub, oil leaks from drain angle or oil pressure, and boost control issues, plus how turbo supercores compare with cartridges and complete turbos. Because turbo supercores and turbine housings must match by series and frame, confirm compatibility on each product page before you buy. For help planning your turbo setup, talk with your tuner or contact our team.
A supercore typically includes the center housing rotating assembly and installed compressor housing. The turbine housing is sold separately.
A supercore lets you choose the turbine housing A/R, flange, and wastegate setup your build needs, rather than modifying a complete turbo.
No. The turbine housing must be designed for the same series and turbine wheel. A mismatched housing can cause wheel rub or poor efficiency.
Common causes include an oil drain outside the manufacturer's angle limits, a restricted drain, excess oil pressure on a ball bearing core, or high crankcase pressure.
Ball bearing turbos commonly need correct oil pressure, and some setups require a restrictor. Follow the manufacturer's specifications.
If the center housing is water-cooled, plumbing coolant lines is commonly recommended to protect the bearings from heat soak after shutdown.
A smaller A/R typically spools sooner; a larger A/R typically supports more top-end flow. Match it to your engine, power goal, and use.
