SQ-LS

I found another company that makes parts for Toyota and Lexus cars. DenovoUSA is a USA base importer of Tom's Motorsports. TOM'S stands for Tachi-Oiwa Motor Sport which races and have participated in numerous different kinds of racing such as FIA F3, Formula Nippon, Japan F3, JTCC, JGTC, Le Mans and supported many other internationally recognized racing team using Toyota platform. DenovoUSA, the U.S. sole agent of TOM's is now starting to offer TOM'S Performance Parts & Toyota Technocraft Parts for todays Toyota & Lexus cars, trucks & SUVs.
They are currently offering some parts for the following vehicles:

Lexus -
2001+ IS300
1998+ GS300/400
1998+ RX-300
1990+ LS400
1993+ SC300/400

Toyota -
Supra / MR-2 / RAV-4 / Corolla / Celica / MR-S / LandCruiser / 4 Runner / Tacoma

Their website is
DonovoUSA
Email for a catalog and what they have to offer, because their website is new and still under constructions.