There is a set of spark plug wires on sale at a local parts place but they don't have a listing for a 67 289. Is it a safe assumption to think that any wire set for a 302 will do the job? They can get a set for a 79 mustang 302 and an 87 mustang 302...but nothing in stock so I can't compare. As far as I know all 289 and 302 engines are basically the same??? Any :1zhelp: is appreciated!