WALPOLE, N.H. – The “Dog Days of Summer” are in full swing, and the Granite State Pro Stock Series (GSPSS) takes it to heart this Saturday evening at Monadnock Speedway.
For the first time since 2022, the GSPSS will grace the Winchester, N.H. speedway for the Keen Parts 100, the preamble to the NASCAR Whelen Modified Tour’s Duel At The Dog 200.