This system was designed for the CPP 2.5" modular drop spindles and features the 6-piston, 6P caliper mounted to a 14", 2 piece slot, drill, zinc plated rotor. The 6P caliper has D.O.T compliant dust and weather seals and uses the popular D0731 pad type. Billet aluminum hubs come assembled with premium bearings packed with Redline synthetic grease and billet dust caps. Rotors are pre-assembled with NAS high grade stainless hardware. All mounting brackets, stainless braided hoses and hardware are also included. The 14" Pro+ is designed to fit most 18" or larger wheels. | Rotor Size/Type: 14" x 1.15", 2-piece | Replacement Rotor Rings: 6910222 (Left) / 6920222 (Right) | Caliper/Piston Count/Mount Type: 6P / 6-piston / Radial | Replacement Pads: D0731R | Minimum Wheel Size: 18" (Use template to verify fitment, link below) | System Includes: Calipers, Brake pads, Rotor and hat assemblies, Billet aluminum hubs w/premium bearings, Billet dust caps, Brackets, Stainless braided brake hoses & mounting hardware | Notes: System has 5 lug, 5x5" bolt pattern, Designed to be used with CPP 2.5" modular drop spindles: CP30106-1 (1960-1962 C10) CP30106-2 (1963-1970 C10) CP30106-3 (1971-1972 C10) CP30106-4 (1973-1987 C10) | Applications: - 1960-87 GM C10 trucks (2WD, 5 Lug) with CPP 2.5" modular drop spindles