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The Borg Warner EFR 6258 Turbo is the smallest turbocharger in the ultra high efficient EFR Borg Warner lineup. The 62mm OD billet compressor wheel has a 49.6mm inducer and is rated at 44lb/min max flow - supporting up to 240hp-460hp with a unique compressor wheel design resulting in a huge compressor map for outstanding power potential at any boost pressure. The 6258 is the smallest and fastest spooling EFR turbo in the Borg Warner line designed for tight engine bays this compact turbo is truly a heavy hitter. This 6258 is Ideal for any small engine in single turbo configuration as well as larger engines in a Twin Turbo configuration. This is an excellent turbocharger for any application looking for response as well as the ability to make some serious WHP. Such applications include; autocross, rally, drift, road racing and street driven applications. The light weight low inertia 6258 Gamma-Ti turbine wheel is optimally matched for maximum response and fast spool. Combined with the FMW Billet C and C extended tip technology compressor wheel the Borg Warner EFR turbo line is on the cutting edge of turbo technology. EFR 6258 uses the B1 EFR compressor housing, fitting in the tightest engine bays particularly twin turbo V6 and V8 applications such as the; VQ35, VR38, VQ37, LS1, LS7. Ideal for use in single turbo applications for the 240-460hp range, or as twin turbo applications 400-900+hp. Dual Ceramic Ball Bearing center section with water cooling ports using 14mm banjo bolt style conections.