VMP's 67mm is a branded version of CFM's Twin 67mm Twin Bore Billet TB. Jim Cushman sells the CFM unit for $629 and is sometimes able to do a little better. (He was excellent to deal with when I bought mine.) VMP sells their branded 67mm TB for $720. (IMO, "VMP" lettering isn't worth the $90 markup.)
VMP's 69mm model is also $720, which is probably worth the extra cost, if you want the larger size.