A. Brake calipers must be manufactured of aluminum.
B. The brake caliper including brake caliper pistons must be used as produced by the brake caliper manufacturer.
C. Brake rotors must be manufactured of magnetic or stainless steel.
D. Brake rotors must be used as produced by the brake rotor manufacturer.
E. Wheel hubs must be manufactured of aluminum or magnesium.
F. Wheel hubs must be used as produced by the wheel hub manufacturer.
G. The combined weight of the wheel hub, wheel bearings and seal, spindle nut and washers, brake rotor and attaching hardware, the axle cap, and the wheel spacer must not exceed 27 pounds.