Big Boy is located at 9497 Lapeer Rd, Davison, MI. This business specializes in American Restaurants. Big Boy is open Mon, 7am-11pm; Tue, 7am-11pm; Wed, 7am-11pm; Thu, 7am-11pm; Fri, 7am-11pm; Sat, 7am-11pm; Sun, 7am-11pm and accepts American Express, Cash, Discover, Mastercard and Visa.