Application:

LS9 with 9-Bolt Crank
- 2009ChevroletCorvetteZR1
- 2010ChevroletCorvetteZR1
- 2011ChevroletCorvetteZR1
- 2012ChevroletCorvetteZR1
- 2013ChevroletCorvetteZR1
Features:
- parallel friction surface with no run-out.

https://www.moderndriveline.com/choosing-a-gm-flywheel/