AGS EZ-Fit NiCopp complete brake line replacement kit engineered for Silverado 3500 Sierra 3500 2001-2002 Std/4WD/RWD/DRW. All lines are pre-bent and pre-flared from corrosion-resistant nickel-copper alloy, and include all required fittings for a direct, OEM-spec installation — no bending or flaring tools needed.