These 9" brake rotors are crossdrilled and scalloped to optimize weight and breaking performance.
RCV Part# D5107
For more info check out www.rcvperformance.com or check out the downloads below.
These are sold individually. The price you see if for each rotor.
RCV Performance Brochure - fsae_brochure.pdf
9" Brake Rotor - D5107.step