raceland exhaust 16v conversion...?

hi there,

 I was wondering if anyone could help me with a slight problem i have…? i bought a raceland manifold from ebay to fit onto my kr 16v conversion about a year ago however i can't seem to find the connection that bolts onto it before the middle section…? i noticed that some posts had explained that it was a supersprint copy, so i went onto there website and noticed they had a connection that looked like it would fit, but im going by photo only and don't want to waste money on the wrong part..? can anyone confirm this or know where i can buy the correct part…? cheers sean :?