I wouldn't discard your GMC parts. It sounds like a lot of guys have the same idea and they may be getting hard to find.
There are a lot of die hard GMC guys out there, and the GMC parts (in good shape) may be worth hanging on to for awhile.

John


~ J Lucas
2006 GMC Envoy 4.2 I6
2023 Ram 2500/Cumins 6.7 I6
2010 Jeep Grand Cherokee (Wife’s)
2002 Silverado 2500 Gas 6.0
1941 Chevy 1/2-Ton
1942 Chevy 1.5-Ton SWB
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