Anti-sway bar.
Swaybars:
C5 Base Suspension: 23 mm-front / 19.1 mm-rear / 3.81mm/2.0mm thickness
C5 Z51 (97-99): 25.4 mm-front / 21.7 mm-rear
C5 Z51 (00-04): 28.6 mm-front / 23.6 mm-rear / 4.15mm/3mm thickness
C5 Z06: 30.0 mm-front / 23.6 mm-rear / 4.5mm/3.5mm thickness
C6 Base: ?? mm-front / 22.0 mm (7/8")-rear
C6 Z51: 31 mm-front / 25.4 mm (1")-rear
C6 Z06: 31 mm-front / 28.8 mm-rear
C5 Hotchkis: 31.75 mm-front / 25.4 mm-rear / 4mm/4mm thickness
C5/C6 Addco: 32 mm-front / 25.4 mm-rear
C5/C6 Addco: 35 mm-front / 25.4 mm-rear
C5 Pfadt (Adjustables): 32 mm-front / 26 mm-rear
C5 Pfadt (Adjustables): 35 mm-front / 28.5 mm-rear (Pfatty)
C5 T1 (GM Racing): 38.4 mm-front / 27.5 mm-rear / 6.35/6.35 thickness
C6 T1 (GM Racing): 38.4 mm-front / 27.5 mm-rear / 6mm/?? thick








