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Air and Fuel› Superchargers, Turbochargers and Components

BorgWarner

BorgWarner Super Core EFR B1 6258

$2,288.02 $1,811.02 Save $477.00

SKU: B00E 179140

In Stock
In Stock
Ships by Jul 29
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Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Description

The BorgWarner EFR 6258-A Super Core is the smallest turbocharger in the EFR lineup. The 62mm OD compressor has a 49.6mm inducer at 44lb/min max flow, supporting up to 450hp. It is the fastest spooling EFR turbo, ideal for small engines in single turbo configurations (225-450hp) or twin-turbo V6 applications (400-700+hp). Features a low inertia 58mm Gamma-Ti turbine wheel, FMW compressor wheel, and ceramic ball bearings. Watercooling recommended. Super-Core does not include turbine housing, clamp plate hardware, wastegate, or actuator.

Fitment

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Specifications

BrandBorgWarner
Part NumberB00E 179140

Videos

Twin Turbo Borg Warner 6258 EFR Supra

Twin Turbo Borg Warner 6258 EFR Supra
Trackspeed Tech Tips - EFR B1 (6258/6758/7163) Wastegate Actuator Alignment

Trackspeed Tech Tips - EFR B1 (6258/6758/7163) Wastegate Actuator Alignment

Buy with Confidence

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

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