Just finished making aluminum valve covers that fit 216,235,261. We forgot to machine the hole for the breather. So I have take a file to hole so rubber grommet will fit. This will take a push in breather. Comes with stud kit,breather. Please give 72hrs before it ships out. $399.99 with free shipping in the 48 states. Please email me at jmslrrw@yahoo.com for payments details.