|
Probably just 6061. I see that Wilwood makes hard anodized aluminum brake rotors for sprint cars. So maybe that's how they get aluminum to last in a brake disc application.
The Bolt EV front rotors are common vented units, not cross drilled.
__________________
2007 ZENN and 2019 Chevy Bolt EV 145,000 oil free miles to date.
|