351w heads
Check out e-bay. type in 351w in the search box and it will list all titles with 351w. I've seen several sets of heads go fairly cheap. '69-'71 heads are the best production head to look for, but if you need to keep the emmision stuff on your engine it will be best o find a set off of the same year model that you have now. Porting will definitly help the exhaust flow, insalling larger valves is also a plus for flow. A set of roller rockers will also give a power increase and wont effect the emissions
Randy
'69 F-100 Ranger-351w/c6
'87 Ranger 4x4 2.9L
'98 Expedition 4x4 %.4l




