bor Categories. OTHER SYMBOLS AND ABBREVIATIONS: Adj.=Adjacent. Algn.=Align. ALU=Aluminum. A/M=Aftermarket part. BInd=Blend. BOR=Boron steel. CAPA=Certified Automotive Parts Association. D&R=Disconnect and Reconnect. HSS=High Strength Steel. HYD=Hydroformed Steel. Incl.=Included. LKQ=Like Kind and Quality. LT=Left. MAG=Magnesium. No