Suncoast Performance

The powerful diesel engine under the hood of your heavy-duty truck is capable of generating impressive amounts power with just basic tuning and modifications, but you'll need to make sure your transmission can handle it. SunCoast provides a comprehensive lineup of high-strength torque converters, billet transmission parts, and complete transmissions designed to manage the power and torque your diesel truck produces. Specializing in Duramax transmission upgrades, Cummins transmission upgrades, and Powerstroke transmission upgrades, SunCoast ensures your truck can withstand demanding applications without breaking a sweat.