they are 1969 351w heads These heads have been ported, have screw in studs and guide plates,and crane roller rockers with posi-locks. The intake valves are 194s and the exhaust are 160s. Stainless exhaust valves and hard seats High performance triple valve springs. the heads where done by mondello's in ca i got them used
i think someone went all the way through when they were porting and brazed and smoothed it i got the heads in this shap off ebay what do you guys think the heads are worth with the roller rockers and every thing that i described?