YINETTECH 4PCS 304 Stainless Steel Exhaust Manifold Stud M8x1.25 to M10x1.5 Reducing Screw Compatible with ATU Akros 1997-1998 Silver. Adapter 1:M8x1.25. Adapter 2:M10x1.5. This M10/M8 reduction screw is very easy to use, just screw it into the threaded connector or internal threaded pipe.