eBay, $240 a pop, bare (update 20 June 2014: Price has increased: US $261.25)
eBay item number: 171245417916
Mopar Chrysler SB 318 340 360 179cc 62ccCast N/VJ Bare Cast Iron Cylinder HeadMopar Chrysler SB 318 340 360 179cc 62ccCast N/VJ Bare Cast Iron Cylinder Head
