1970 LS6 & L78 #291 Square Port Heads
 

I have two sets of 3964291 heads. First set is dated K-28-9 and L-8-9 all stock with no porting or milling and are cleaned and magged $1250. Second set is dated H-23-9 and F-18-72 and have not been ported but one head has been milled and the other has not $1,000 or best offer. Both sets have the factory size 2.19 intake and 1.88 exhaust valves. 330-770-2517

Re: 1970 LS6 & L78 #291 Square Port Heads
 

I'm reducing the price on the H-23-9 and F-18-72 set to $850 if anybody is interested. I still have the other set as well.