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.
The new AMR25 has seen the Silverstone-based squad overhaul the aerodynamics of what was a recalcitrant 2024 car, but ...
IMSA officials have already docked the Valkyrie by nearly 15 horsepower in the new Balance of Performance released after ...