Brand new Mitsubishi TD04HL-20T Billet competition bearing part This bearing part has been upgraded with a billet competition compressor wheel that gives between 10-15% more power than a standard 20T bearing part. This can be directly replaced in your existing turbo for more power. Quick facts: Billet compressor part 46MM which fits original 19T etc but flows about 10.-15% better than original. -Billet high flow compressor part 46mm. -VSR balanced up to 100,000 rpm unlike the original which is balanced to 60,000 rpm so this can handle higher charging pressures better. -12 blade turbine shaft 46 mm. -Good for about 400hp (Petrol) 450hp (Ethanol) -Is possible to upgrade all turbos that have "HL" Turbine shaft of 46mm. Tex 15T, 16T, 18T, 19T etc. Note that with a 20T bearing part, you will need to turn up the compressor housing 1mm if you do not already have a 20T compressor housing. As high quality as the Mitsubishi original, balanced ready. Only replace directly with your existing core