These Turbonetics replacement compressor wheels are aimed at those wanting to rebuild or upgrade their turbo. The folks at Turbonetics know that occasionally you outgrow or wear out your turbo, but replacing the whole unit can be expensive. These compressor wheels are built to the same specs as your originals, so fit and function will never be a worry. A whole variety of sizes and trims are available, so you can find the one that is perfect for your car and power needs. Don't replace; rebuild, with the help of Turbonetics and their replacement compressor wheels.