IMSA officials have already docked the Valkyrie by nearly 15 horsepower in the new Balance of Performance released after ...
There are several “firsts” that the Aston Martin Valkyrie brings to IMSA and to Saturday’s Mobil 1 Twelve Hours of Sebring ...
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.