Postage from Australia to USA is cheaper than vice versa and these parts weigh very little. Be about Au$100 (US$70) for the lot or maybe less.
Your in luck Steve - still on special

CHROME SIDE PANELS A9738107 new ex-factory, kit comes with new badges.
That is less than your Ph.Black ones new at
BikeBandit US$256.56 EACH!

Triumph T2303617-PR - Best Price on Triumph S/PANEL,LH,PAINTED,PHANT BLACK Parts at BikeBandit.com
Triumph T2303618-PR - Best Price on Triumph S/PANEL,RH,PAINTED,PHANT BLACK Parts at BikeBandit.com
Mudgard Cover RH T2306020
US$215 at BikeBandit just for the RH one.
Triumph T2306020 - Best Price on Triumph COVER,MUDGUARD REAR,RH Parts at BikeBandit.com
I have an excellent Chrome pair R #8 and L #7, comes with 2 x #21 rubber strips.
Both sides for Au$150 (US$105) + postage
Do you want a pair of the rack cut down ones too? #6 and #7 below.