This turbocharger features a 62-1 Trim compressor. Looking for more power? Search no more. The tried-and-true combination of 60 series and 62-1 allows you to achieve big power while retaining compact packaging Match it with Turbonetics Patented Ceramic Ball Bearing and you get a monster result! The F1-65 turbine wheel is included in this unit. Turbonetics exclusive F1-series turbine wheels feature a 10-blade design and tall tip height configuration to maximize the exhaust gas energy and keep back pressure low. This turbocharger also feature Turbonetics patented Ceramic Ball Bearing system. Turbonetics exclusive design is made with almost indestructible silicone-nitride ceramic balls.