Dual Row Ceramic Ball Bearings – lowest friction and fastest spool/response, most extreme durability, built-in oil control orifice – (aka oil restrictor) **no restrictor can be used with EFR turbos
Watercooled Center Section – watercooling is recommended, 14mm banjo bolts
Double seals on both turbine and compressor end for extreme durability and resistance to any oil seepage
Boost Control Solenoid Valve Integrated to Compressor Housing