Sonnax Line Booster Kit with Pressure Regulator Spring for 68RFE & 545RFE Transmissions
Eliminate sluggish shifting and restore firm, crisp gear changes in your Dodge Ram with the Sonnax Line Booster Kit for 68RFE and 545RFE transmissions. This precision-engineered upgrade directly addresses the common complaint of soft, delayed shifts by increasing and stabilizing critical line pressure. The kit includes a high-performance pressure regulator spring and a machined line booster piston, designed to work in harmony with your transmission’s existing valve body. By boosting hydraulic pressure, it ensures clutches apply faster and more firmly, reducing wear, minimizing heat generation, and improving overall transmission durability. This is an essential modification for tuned or heavy-duty trucks, vehicles used for towing, or any 68RFE/545RFE showing signs of wear. Installation is straightforward for a knowledgeable technician and provides a significant performance improvement without the cost of a full valve body replacement. Enjoy enhanced drivability, increased shift firmness, and greater confidence in your transmission’s performance. The Sonnax Line Booster Kit is a proven, reliable solution for extending the life and improving the operation of these popular Chrysler transmissions.
