Kit includes hubs with Timken® bearings, seals, rotors, dust covers, four piston calipers with linings and caliper mount brackets. All required fasteners and wheel studs included. Fits 2009 Challenger.  ** Note ** Spindle modifications are required. To ensure proper fit, we recommend the spindles for Mopar kits be sent to MW for variation and factory installation. We have found that there are so many variations, this method is the only way we can assure a proper installation. Installation - Service instructions can be found on Service Bulletin #0066 and #0086.