Confirmed late last week, multi-time F4 United States Championship Powered by Honda race winning program Momentum Motorsports will hold an open test for a pair of drivers looking to compete in the 2018 season. With the on track action set to take place February 26 to March 1 at the MSR Houston facility in Angleton, Texas, Momentum Motorsports is offering two drivers to compete in one of the F4 machines for a day and a half each.