With GRP Connecting Rods and Winberg Crankshafts operating under the same roof, the two companies will join forces to host an open house in conjunction with the Mopar Mile-High NHRA Nationals on July 10, from noon to 7 p.m. Two of the industry leaders will open their respective doors to give the racers that rare glimpse into how these engine components are manufactured and allow teams to gain a better understanding of the products. With the shops located at 333 West 48th Ave., which is located where Interstate 25 and Interstate 70 intersect in Denver, placing the open house on the route from Denver International Airport to Bandimere Speedway, making it an easy destination to allow GRP and Winberg to show the racing community what they are all about. With GRP Connecting Rods and Winberg Crankshafts operating under the same roof, the two companies will join forces to host an open house in conjunction with the Mopar Mile-High NHRA Nationals on July 10, from noon to 7 p.m. Two of the industry leaders will open their respective doors to give the racers that rare glimpse into how these engine components are manufactured and allow teams to gain a better understanding of the products. With the shops located at 333 West 48th Ave., which is located where Interstate 25 and Interstate 70 intersect in Denver, placing the open house on the route from Denver International Airport to Bandimere Speedway, making it an easy destination to allow GRP and Winberg to show the racing community what they are all about.