How it works — 3 easy steps
Confirm your year, make, model, cab and bed match this kit's fitment.
Remove the old rusted lines and drop in the pre-bent, pre-flared NiCopp replacements — no cutting or flaring.
Connect the pre-installed fittings, bleed the brakes, and you're back on the road.
Description
EZ-Fit NiCopp Brake Line Kit — Silverado & Sierra 2500-3500 Extended-Cab Long Bed (2003-2007)
Eliminate every rusty hard line on your heavy-duty GM long-bed in a single afternoon. The AGS EZ-Fit NiCopp kit is precision-bent and location-tagged for 2003-2007 Chevrolet Silverado and GMC Sierra 2500/3500 Extended-Cab Long-Bed trucks, so each tube clips into the factory mounts without guesswork. Crafted from nickel-copper alloy that laughs at road salt yet hand-forms easily for micro-adjustments, every line arrives pre-flared with OEM-style zinc-plated fittings—just thread in, torque, and bleed.
Key Features & Benefits
Exact vehicle routing—CNC bends follow the Ext-Cab Long chassis; no “universal” kinks to fight.
NiCopp alloy tubing—DOT-approved, rust-proof, burst-rated to 10,000 PSI and heat-safe to 1,800 °F.
Pre-flared & fitted—OEM double flares and metric fittings mean no specialty tools required.
Complete system coverage—Includes master-cylinder, front, rear, crossover, and over-axle lines plus new clips where needed.
DIY-friendly tags—Each line labeled for its location and matched to an illustrated guide, slashing install time.
Lifetime durability—Resists salt, vibration, and frame flex—engineered to outlast the truck.
Upgrade your Silverado or Sierra with EZ-Fit NiCopp and hit the road—or the job site—with total braking confidence.
Specifications
| Material | NiCopp (copper-nickel) alloy |
| Lines | Pre-bent & pre-flared to factory routing |
| Fittings | Correct fittings installed / included |
| Cutting / flaring | Not required — ready to install |
| Coverage | Complete hard-line replacement for the listed vehicle |
EZ-Fit Adjustable Tubing Straightener 3/16" to 3/8"
Brake & Fuel Line Bending Pliers - 3/16" & 1/4" O.D. Tubing
Tubing Bender 3/16" and 1/4"
Sil-Glyde Silicone Brake Lubricant