GM Models: 4L60, 4L60E, 4L80E, 700R4, TH350, TH400, 3L80, CBC350. Upgrade your cooling system with ourHeavy-Duty 6AN PTFE Transmission Cooler Line Kit. Engineered for high-performance and classic vehicles alike, this 7-foot kit replaces leaky, rusted, or inefficient factory lines with premium, stainless-steel braided PTFE hoses.
