1986-89 Big Block Chevy 427 Oval Port Cylinder Heads BBC Truck Car 14092359 359. This is a pair of big block chevy 427 heads with a matched date. 2.06/1.77 open chamber oval port. If you have any questions or would like to make arrangements to see the item at my warehouse in Cincinnati, Ohio 45229. Thanks for looking and have a nice day!!! The item "1986-89 Big Block Chevy 427 Oval Port Cylinder Heads BBC Truck Car 14092359 359" is in sale since Tuesday, June 13, 2017. This item is in the category "eBay Motors\Parts & Accessories\Vintage Car & Truck Parts\Engines & Components\Cylinder Heads & Parts". The seller is "howard7539"…