KAWASAKI ZX6R 05-12 ZX10R 04-05 11-18 AS3 TOP YOKE STEERING STEM NUT BLACK. AS3 Performance Top Yoke Steering Stem Nut for. AS3 Performance stem nuts are manufactured from 7075 T6 aluminium and are a great upgrade from the OEM stem nuts, they weigh only 21 grams and have an anodized finish to match the rest of our range of CNC machined hard parts.
