If they're salvageable (doubtful, given where it was hit), grab the brakes, the springs and the sway bars, possibly the diff (although I'm not 100% sure on that). I can't guarantee that the seats are a bolt-in swap but I would be absolutely gobsmacked if they're not.

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-Kevin
Past: '67 250SE, '86 & '87 560SELs
Projects: '73 Buick Riviera, '75 350SE (grey market, stick shift)
Cars that actually run under their own power:'87 300D Turbo, '03 Corvette Z06, '07 Subaru Impreza WRX STI Limited