Greetings . . . I fixed the link to the ebay item. I am running this same style header on my 216. Bought them at least ten years ago for closer to 200 bucks. Most other places today are charging ~ $150. I think that the market it is flooded with them so this guy is trying to unload his inventory while their are still buyers. Ask the seller to measure the thickness of the header flange - mine are .375" If the manufacturer has cut corners it will be in the thickness of the materials.

regards,
stock49