WKA Manufacturers Cup Grand Nationals at Motorsports Country Club of Cincinnati Next Weekend WKA Manufacturers Cup Grand Nationals at Motorsports Country Club of Cincinnati Next Weekend “Prize money and Grand National awards on the line” Bas Kaligis / Sunday, August 7, 2022 0 800 Article rating: No rating Motorsports Country Club of Cincinnati is set to host the Summit Racing Manufacturers Cup Grand Nationals next weekend, August 12-14. Crowning Grand National Champions and awarding prize money and gift cards, it is sure to be an exciting event to close the 2022 Manufacturers Cup season. Read more