* SOLID DISC ROTOR:
Solid, Non Vented
Mainly used on minimal braking applications such as rear asphalt or front and rear dirt and front and rear small road race cars.

* LIGHTWEIGHT VENTED ROTOR:
Straight Vane, Staggered Vanes, Thin Sidewalls
Mainly used on minimal braking applications such as rear asphalt or front and rear dirt and small road race cars.

* LIGHTWEIGHT DIRECTIONAL VANE ROTOR:
Curved Vanes, Thin Sidewalls
Mainly used on short track asphalt cars and some road race cars.

* HEAVY-DUTY VENTED ROTOR:
Straight Vane , Equal Length Vanes , Heavy sidewalls
Mainly used on hard braking applications such as front of asphalt and front and rear of cad race cars.

* HEAVY-DUTY DIRECTIONAL VANE ROTOR:
Curved Vanes, Heavy Sidewalls
Mainly used on heavy-duty applications such as Winston Cup cars on heavy braking tracks and road race cars.

* CROSS DRILLED ROTOR:
A series of holes drilled through both sides of brake rotor. Helps to cool rotor and also lets gas build-up between pad and rotor escape.