These 10" brake rotors are crossdrilled and scalloped to optimize weight and breaking performance.
RCV Part# D5108
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
10" Brake Rotor - D5108.step