I could check this out if anyone is interested. Ford 351C-4V Complete engine Quench heads Original bore http://farmington.craigslist.org/pts/5581387219.html David in Durango I could check this out if anyone is interested. Ford 351C-4V Complete engine Quench heads Original bore [1]http://farmington.craigslist.org/pts/5581387219.html David in Durango References 1. http://farmington.craigslist.org/pts/5581387219.html