R1 Concepts WHUH2-03041 car R1 Concepts. Brake Disc and Pad Kit Front and Rear, R1 eLINE Black Rotors with Optimum OEp Pads Series R1 CONCEPTS BRAKE DISC AND PAD KIT. Transform your daily drive using R1 Concepts Brake Disc and Pad Kit. This product enhances braking performance, ensuring smoother, safer, and more reliable stopping in various conditions. R1 Concepts eLINE Black Series Drilled & Slotted OPTIMUM OEp Brake Kit. Designed for drivers seeking increased brake performance over OE with black zinc plated rotor protection. All-in-One Complete Brake Kit Replacement: R1 Concepts eLine Series Front & Rear Brake Kit comes with (4) high performance brake rotors (8) performance brake pads and hardware This is meticulously manufactured to match the precise specifications of your stock part, ensuring a seamless and hassle-free fit. Headquartered in Los Angeles, California, USA. R1 Concepts is the leading manufacturer and retailer of award winning automotive braking systems. With over 20 years of automotive brake knowledge, R1 Concepts has developed one of the most comprehensive brake catalog in the industry for all foreign and domestic vehicle applications from 1930-present. with1 Year R1 Concepts Limited Warranty.