Store Locator Spencer West FAST STOP Express903 32nd Ave WestSpencer, IA 51301 Contact Phone: (712)469-3708 Website: www.growmarkfs.com/midwest Get Directions Amenities 24 Hour Pumps Pay at the Pump Only Fuel Types Gasoline Diesel DEF E85 Fuel Prices Diesel $5.19 as of 7/19/2022 8:37:54 AM Regular $4.39 as of 7/19/2022 8:37:54 AM Accepted Payments American Express Discover FAST STOP Cards Gift Card Mastercard Visa Voyager Wright Express