Arashi Kuro Gen 2 Turbos SpecificationsArashi Kuro Gen 2 turbos combine high technology style and performance. They feature a compressor housing with a wrinkled black finish for long-lasting protection and a dazzling red milled compressor wheel for a distinctive look. Several turbine housing sizes are available for maximum installation versatility. Each turbocharger is individually balanced under high RPM to eliminate vibration reduce whistling and ensure excellent sealing.This Kuro series also stands out thanks to its pre-machined speed sensor and pressure ports meaning that no modifications are required prior to installation. Compared to journal bearing turbos Kuro turbos feature ceramic ball bearings that consume half as much oil and benefit from a 15% faster turbo spool. The copper bearing cage enhances durability and allows for better lubrication.Arashi Kuro GTX3071R Gen 2 Technical DataApplication : universalHorsepower : 340 - 650 hpDisplacement : 1.8L - 3.0LCompressor wheel : 54 / 71 mm (8 blades)Turbine wheel : 55 / 60 mm (10 blades)Compressor housing : inlet 4 (100 mm) / outlet 2 (51 mm)Turbine housing : 0.83 A/R (Ni 22%)Bearing : ceramic ball bearingCooling : water and oil cooledFlange outlet : inner diameter 2.87 (73 mm) outer diameter 3.2 (81.5 mm) / 3.53 (90 mm)Flange inlet : inner diameter 2.1 (55 mm) outer diameter 3 (76.2 mm)Includes : complete install kit