OLDWICK, N.J.--(BUSINESS WIRE)--A.M. Best has revised the outlook to positive from stable and affirmed the financial strength rating of B (Fair) and the issuer credit rating of “bb+” of Repwest Insurance Company (Repwest) (Phoenix, AZ). Repwest is a wholly owned subsidiary of AMERCO [NASDAQ:UHAL], a publicly traded holding company that is also the parent of U-Haul International, Inc. (U-Haul). The revised outlook reflects Repwest’s strong risk-adjusted capitalization, several years of improved