Tomioka Racing TD06-20G Twin Scroll Turbo now comes in Billet compressor wheel! The billet material improves air flow and performance by at least 10% over standard wheel. This turbo is ideal if you’re looking to put down the highest amount of horsepower without having to convert to a rotated mount set up and maintaining fast spool. This turbo is 100% bolt-on* and will support 550HP. Perfect for track and street applications!