so this is my Head cast number..3998991....i've seen a page on here that had some head info ... but i cant find it....
so what are the heads ,and are they any good ?
this is on the 350 4bolt that is geting the comp 280H K-kit
so what are the heads ,and are they any good ?
this is on the 350 4bolt that is geting the comp 280H K-kit