I bought these a couple years ago form the US.
They are brand new in box , never seen a spanner on em.
They come with match ported IDF style big beef manifolds.

As here.

$1000

I can post them to you at your cost.
Or I can probably deliver if your pretty close to me.
Im in Perth 6157
PM me or email...choppa

Thanks for lookin
Mark

one more pic

Am very interested, what size valves?

Matt , they are the 1410s
42mm x 37mm

PM sent

PM sent as well