NEW YORK–(BUSINESS WIRE)–Kroll Bond Rating Agency (KBRA) assigns preliminary ratings to eight classes of notes issued by Westlake Automobile Receivables Trust 2018-1 (WLAKE 2018-1), an auto loan ABS transaction. WLAKE 2018-1 is collateralized by approximately $750 million of subprime auto loan receivables as of November 30, 2017. The preliminary ratings reflect the initial credit enhancement levels of 80.18% for the Class A-1 notes, 43.50% for the Class A-2 notes, 34.90% for the Class B notes