i have a 350 4 boilt and i have a set of 896 off a 1966 283 with a 59cc and a set of 461 i was told that thay are off of a late 305 HO with a 57cc i was going to get the 896 cut for a 194 intak 150 ex and i was wondering if someone knew wich ones are the better head to go with on 350 thanks len.