IMSA officials have already docked the Valkyrie by nearly 15 horsepower in the new Balance of Performance released after ...
The TCR class will remain part of the IMSA Michelin Pilot Challenge until at least the 2028 season as part of a new agreement ...
The new addition to the Grand Touring Prototype category will pit a roaring engine against a field of hybrids as the prototype platform from the WEC Series makes its IMSA debut.