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.
HKS used to make a T25 cast iron manifold for the 1.8 Miata, but its discontinued. I can't see why there wasn't a market in the $250 price range HKS sold for?