Pro-X 310 power valve for sale complete top end. Ported by Pete, ran for many seasons on the spare duner and performed great. Very nice smooth power delivery. Has less than 5 hours on it (break-in) since new bore (72.50 piston). Selling because the spare now has a 363.
Includes spacer, billet head, some (race has), billet waterneck, port matched exhaust flange, piston.
$750 before it goes on facebook
