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Y3F is for the ground effects.
1SB is an option group for things like power windows, power locks, etc.
Those are the only two I know off the top of my head.
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2023 1LE 1SS BCD GCF JF5 MN6 SIA SLN UQT
10/13/22: 1100
Past Camaros: 13 1LE|02 SS|01 Z28|00 SS|91 1LE|91 Z28|89 IROC-Z
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