BorgWarner 6258 EFR Ball Bearing Super Core Turbo Assembly Borg Warner

6258 Ball Bearing Turbo Assembly

These are the fastest spooling EFR turbos – and fits in a small package. Ideal for small engines in single turbo configuration and stock internal or modified engines.

This is an excellent turbocharger for autocross, rally, drift, road racing and street driven applications. The low inertia Gamma-Ti turbine wheel is optimally matched for maximum response and fastest spool with the FMW compressor wheel.

Features

• Gamma-Ti turbine wheel
• Extended tip technology
• Boost Control Solenoid Valve (BCSV)
• Forged Milled Compressor Wheel (FMW)
• Integrated Compressor Recirculation Valve (CRV)
• Dual ceramic ball bearing assembly with metal cage
• Compressor cover with speed sensor mounting provisions

Specifications

• 225 – 450HP
• B1 Turbo Frame Size
• 49mm Comp. Wheel Inducer Dia.
• 62mm Comp. Wheel Outer Dia.
• 58mm Turbine Wheel Outer Dia.
• Straight Compressor Outlet

Relevant Links

• .58mm EFR Turbine Housings
• All EFR Super Cores

What’s in the Box?

• 1 6258 Super Core
• All turbine housing mounting hardware,
  clamp plates & cap screws included with super core.

Warranty

• 1-Year Manufacturer’s Warranty