-JdK- David in NZ just completed these1926 to 1929 Norton Push Rod Adjusters and locking nuts. The adjusters are the correct 9/32" x 26 tpi, are made from 4140, and are nitride hardened. The locking nuts are mild steel and are black oxided. The price for a pair is NZ$53 plus postage. Contact David when you are interested at nzsurfer@gmail.com.