I had a google of parts for the S/S suspension, and this place was the cheapest I could find online.
Toyota Parts - Genuine OEM Toyota Auto Parts and Accessories
But they wouldn't ship internationally / accept international cards.
First price is through toyotapartszone, second is amayama. Both are in USD. Big difference!
1 x 48068-19155 ARM SUB-ASSY,SUPENSI $160.63ea $244.56ea
2 x 43310-19025 JOINT ASSY,UPR BALL $33.63ea $61.76ea
1 x 48605-12200 ARM SUB-ASSY, SUSPEN $216.14ea $280.26ea
1 x 48606-12190 ARM SUB-ASSY, SUSPEN $216.14ea $280.26ea
1 x 48069-19135 ARM SUB-ASST,SUPENSI $160.63ea $244.56ea