Bumping this thread because I am currently looking at the NISMO inventory sheet (work) and came across this number on a browse.
NISMO shows the 99996-T1450 620 torsion bar set is still in stock, but most likely out of production. They appear to have a few sets on the shelf. If anyone reading this is interested, PM me for pricing. I won't post that publicly.
They have a few more NISMO HD Torsion Bar PN's listed that I'm going through today for more fitment or information.
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