Upgrade your 2013-2018 Ram truck's 68RFE transmission with our premium stainless steel high-pressure transmission lines. Engineered to replace the failure-prone factory aluminum lines, these lines offer exceptional corrosion resistance, increased rigidity, and long-lasting durability. Designed for compatibility with both the thermal bypass block and the factory thermostatic bypass, they provide seamless flexibility without sacrificing performance. With reinforced construction to eliminate the common weak point where the clip attaches to the transmission, this direct bolt-on kit boosts reliability and significantly extends the life of your transmission.The lines also include stainless steel case fittings, engineered for a superior seal compared to factory fittings.