RB25DET NEO engines use a 45V3 turbocharger with a bigger OP6 turbine which some arrived with metal compressor and turbine wheels, In this instance, a nylon plastic compressor wheel and ceramic turbine wheel. This turbo engine was upgraded and had a bigger exhaust housing and an increase in electric power. https://nissan-rb26dett-engines-f72239.bloggerswise.com/35815076/nissan-rb-engine-for-sale-things-to-know-before-you-buy