When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.
OEM head parts are impossible to get.
I hear miata heads are hand crafted by hobbits using unobtanium and treated with unicorn semen. Upon assembly it is blessed by Senna and sprinkled with pixie dust
ill sell you a freshly rebuild head(new valve seals,valve job,machined, pressure check, gasket matched ports) for cheap... i put it together myself...and im kind of a hobbit so its almost oem... i couldnt find a unicorn though so i just treated it with my semen...