The Industrial Injection S471 turbo kit is specified for 2010–2012 Dodge 6.7L Cummins and features an S471 turbo with a .90 turbine A/R housing. The product description lists that exact fitment and turbine geometry, presenting the kit as a documented turbo upgrade for 2010–2012 Dodge 6.7L applications where the S471 with .90 A/R is desired.
Industrial Injection 10-12 Dodge Cummins 6.7L S471 w/ .90 Turbine A/R Turbo Kit