This is our off the shelf S476 with the 76 x 116 compressor wheel model that comes standard with an 88 x 96 turbine wheel. This turbo along with the 7675's are the most popular for a mild street car / truck configuration for the average build making 700-800 on pump gas with supporting mods. If you're looking for a 76mm compressor wheel that will make 1000whp+ please visit our other TPC-7688 Super Street listings For better overall performance in your gasoline application please select the 9 blade turbine wheel option. Pictures attached shows the visual difference along with their weight differences. The weight shows the difference in inertia between the two and in a gasoline application the 9 blade will spool quicker and will make less back pressure. For peace of mind we offer a 90 days 100% satisfaction guarantee. If you don't like the way your turbo is behaving with your combination we will exchange your turbine housing for a larger or smaller one. The only thing you have to pay are the shipping rates! Please contact us if you have any questions Picture shows turbo with custom grey coating. Actual turbo comes cast with a cast aluminum cover. If you would like this nardo grey color please let us know on check out. [email protected] 613-868-6801