Blending our new Q+ design advancements with the latest in M-Series technology, the all-new Q+ magnesium wheel is engineered to give oval track racers an added dimension of set-up options. The Q+ Mag PLW (Performance Load Wheel) is designed to give more grip with less heat and expansion. Precision high-pressure casting and CNC machining keeps Q+ Mag tolerences within +.005 inch, joining the Q+ as one of the lightest, most precise rolling wheels ever made.