Posted by jon schultz on June 03, 1999 at 08:01:17:
In Reply to: Extra Valves posted by Matt on May 30, 1999 at 09:49:01:
that depends on what make, model, etc. bore size would be a big concern too... call up the manufacturer and ask for an estimate. and then again, the fifth valve pitch usually depends on the company (yamaha, besson, mirafone etc.)