Whether you're building a fresh full hydraulic setup or replacing a tired old cylinder, these PSC Cylinder Assist single-ended kits and components are built to handle the real-world abuse that comes with serious off-road use. From trail rigs to competition crawlers, these parts are the backbone of a reliable steering system. Each part in this collection is designed to work with PSC’s proven Cylinder Assist systems — the same tech we’ve been refining for decades. You’ll find everything from bare cylinders to complete kits with all the right fittings, brackets, and hardware to get you dialed in and back on the trail.