OEM Holsett alternative part numbers: 2835142, 4043976, 4955962 Turbo Model: HE221W (with internal wastegate actuator) Compressor Wheel Inducer: ~43.5 mm Compressor Wheel Exducer: ~61 mm Compressor Configuration: 6+6 split-blade cast wheel Turbine Wheel Inducer: ~52 mm Turbine Wheel Exducer: ~45.7 mm Turbine Configuration: 11 blades Turbine Housing Size: 5.5 cm² OEM Actuator boost pressure - 1-1,2 bar Gasket kit shown on the photos is included!