This system features the monoblock 6-piston, 6S caliper mounted to a 14", 2 piece slot, drill, zinc plated rotor. The 6S caliper has D.O.T compliant dust and weather seals and uses the popular D1247 pad type. Rotors are pre-assembled with NAS high grade stainless hardware. All mounting brackets, stainless braided hoses and hardware are also included. The 14" Extreme+ is designed to fit most 18" or larger wheels.Rotor Size/Type:14" 2-piecePiston Count:6 piston MonoblockPad Type:D1247 (also known as DR11)Minimum Wheel Size:18"Includes:Calipers, Brake pads, Rotor & Hat assemblies, Brackets, Stainless braided brake hoses & mounting hardwareApplications:- Vehicles using C5/6 based spindles- Detroit Speed Subframe