Here is some info on getting that ls7 clutch, it was copied from a GTO web site. Not sure if it's the cheapest way to go, but it should help you.
||--Genuine GM C6 Z06 LS7 Clutch Kit--||
24248985 – LS7 Clutch
12571611 – LS7 Flywheel
Both LS7 Clutch and LS7 flywheel are 441.42
For both clutch and flywheel on our website, use part number ls7clutchkit under Chevrolet make.
92067762 - GTO Slave Cylinder – 240.48
14061685 – Pilot Bearing – 12.79
*Clutch does work in any LS1/LS2 drivetrain but must also have ls7 flywheel.
http://www.gmpartshouse.com/
This post has been edited by Lamoogle: Feb 10 2010, 07:24 AM