1966 #858 Big Block Chevy Square Port Heads
 

I have two sets of 3873858 big block square port heads used on 427-425HP and 396-375HP applications for 1966 model year. First set is dated J-1-5 and J-2-5 all rebuilt with 2.19 intake and 1.88 size exhaust valves with porting on the exhaust side $2400. Second set is dated D-18-6 and E-2-6 and have been rebuilt and have stock 2.19 intake and 1.72 exhaust valves with no porting in excellent condition $2750. I can be reached at 330-770-2517 with any questions or if pictures are wanted send me your email address.

Re: 1966 #858 Big Block Chevy Square Port Heads
 

Sale pending on the heads dated D-18-6 and E-2-6. The J-1-5 and J-2-5 are still available and will take an offer on the set.

Re: 1966 #858 Big Block Chevy Square Port Heads
 

I'm reducing the price on the set of October of 1965 dated square port heads to $2,000 firm. If interested my number is 330-770-2517.