2010 Buick LaCrosse UHSS and Dual Phase

9.  Rear Door Inner Reinforcement Beam – Ultra High Strength Steel
12. Front Door Inner Reinforcement Beam – Ultra High Strength Steel
13. Center Pillar Reinforcement – Ultra High Strength Steel
14. Rocker Inner Panel – Ultra High Strength Dual Phase Steel
15. Front Compartment Lower Rail – Dual Phase Steel

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