The Ultra Racing Anti Roll Bars (Sway Bars as they are also known) are thicker than the standard OE Anti Roll Bars and are manufactured in steel. This
Ultra Racing Rear Anti Roll Bar 24mm for Volkswagen Golf Mk5 R32 (04-08)
Diagnosing Active Roll Bar Systems
H&R Anti Roll Bars Bmw 5er (E28) Typ 5/1 07/81- 87
Sway Bars – suspensionspot
Suspension for Audi A3L Front Sway Bars Chassis Strengthened Stability Tie Rod Kit Anti-roll Damping Balance Rod Front Sway Bar - AliExpress
Ultra Racing Rear Anti Roll Bar 18mm for Audi TT 8N (98-06) – ID-Workz
Anti-roll bar - Wikipedia
BMW 1 Series / KW Anti Roll Bar Set
Ultra Racing Rear Anti Roll Bar 18mm for Volkswagen Polo (6R) 1.4 GTI – ID-Workz
Products H&R Special Springs, LP.
Sway Bars for Cars, Trucks, & SUVs