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 — Tahoe & Yukon 2003-2006 (JL4 StabiliTrak)
If your ’03-’06 Tahoe or Yukon is equipped with the JL4 StabiliTrak option, generic line kits won’t match the extra proportioning block and routing changes. The AGS EZ-Fit NiCopp kit is engineered specifically for these SUVs, delivering factory-correct bends, lengths, and port locations. Each nickel-copper line drops into the stock clips, threads into the OE distribution block, and laughs at road salt for the life of the truck. All tubes arrive pre-flared with zinc-plated, metric fittings—just clip, thread, torque, and bleed.
Key Features & Benefits
JL4-Specific Routing – CNC bends follow the unique StabiliTrak plumbing; no re-routing or “close enough” loops.
NiCopp Alloy Tubing – DOT-approved, rust-proof, burst-rated to 10 000 PSI, heat-safe to 1 800 °F, yet easily hand-tweaked for micro-alignment.
Pre-Flared with OEM Fittings – Double-flare, metric threads install without flaring tools or adapters.
Complete System Coverage – Master-cylinder, ABS module, front, rear, crossover, and over-axle lines—plus new clips where required.
DIY-Friendly Tags & Diagram – Every line is labeled for its location; the illustrated guide cuts install time dramatically.
Lifetime Durability – Resists salt, towing vibration, and chassis flex—engineered to outlast the SUV.
Give your JL4-equipped Tahoe or Yukon the corrosion-proof stopping power it deserves. Bolt in an EZ-Fit NiCopp kit and drive away with full confidence in every press of the pedal.
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