yjracing Black Fiber Turbo Blanket Turbocharger Heat Shield Barrier Cover Wrap Fit For T3 T25 T28 GT25 GT35 Height:7" , Width: 7", OD: 3.5" Tolerance: 1" ceramic insulation that can hold up to 2000F Inner top layer: Made of stainless steel knitted wire mesh; Inner Surface: calcium magnesium silicate wool Reduces of amount of radiant heat coming from turbocharger. Help to lower engine bay temperatures Fit for most vehicles with T3 T25 T28 GT25 GT35 turbine housing turbo charger