There is no difference between the standard C5 caliper and the C5 Z06 design other than the color.
I'm jealous of the new slotted/drilled rotors from GMPP. When I retrofitted the C5's onto my IROC they didn't have the nice black coating on the center and fins. I powdercoated my center section clear but it's starting to rust ever so slightly.
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--==RPM Resto & Custom==--
1989 IROC-Z Media Coverage:
Chevy High Performance - Readers Rides 4/03
GM High Tech Performance - Tech Article 3/06
Chevy Rumble - Tech & Feature Articles November 2006
Auto Restorer Magazine - Feature Article 5/11
SkinAndSteel.com
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