Description
If you’re running a custom brake setup or upgrading to a high-performance system, brake line integrity is non-negotiable. The MAGNUM Upper 3/8″ Brake Line eliminates the weak points found in stock systems—leaks, expansion under pressure, and poor fitment—with a purpose-built design that delivers consistent pedal feel lap after lap. Built domestically with military-grade materials, this line pairs seamlessly with MAGNUM lower assemblies for a complete, leak-free brake solution.
- Length: 21 inches
- Diameter: 3/8″
- Connection type: 3AN fittings
- Inner tubing: PTFE (Teflon)
- Reinforcement: DuPont™ Kevlar® Aramid Fiber
- Outer braid: Premium Magnum signature
- Outer jacket: Crystal clear PVC
- Manifold construction: Fully brazed
- Pressure rating: DOT FMVSS-106 compliant
- Expansion reduction: Exceptional (low expansion design)
- Installation: Bolt-on with 3AN connections
- Fitment: Upper assembly only; pairs with MAGNUM lower kits
- Non-stock vehicles: Requires measurement confirmation
- Origin: Assembled in U.S.A.
- Color/weave: Matches all MAGNUM control cables






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