Valve Disc Kit 8pk .542 OD X .020in

The Valve Disc Kit 8pk .542 OD X .020in by QA1 is a precision suspension component engineered for shock absorber tuning and performance optimization. These steel valve discs are essential for technicians, suspension builders, and enthusiasts who need to adjust dampening characteristics on adjustable shock systems. Whether you're fine-tuning a race car, street rod, or high-performance street vehicle, this eight-piece kit provides the flexibility to dial in exactly the right spring rate and damping response for your specific application.

Each disc measures 0.542 inches in outer diameter with a 0.020-inch thickness, manufactured from durable steel in natural finish to resist corrosion and ensure consistent performance over extended use. Valve discs function by controlling fluid flow through shock valves, with thickness variations directly affecting damping force and vehicle handling balance. The eight discs included in this kit allow you to stack and combine different configurations, giving you multiple tuning options without purchasing separate kits and delivering the precise control demanded by professional and dedicated amateur builders.

This kit is ideal for users of QA1 adjustable shocks, coilovers, and other performance suspension systems that utilize standard 0.542-inch valve assemblies. Installation requires basic suspension knowledge and proper shock disassembly techniques; improper stacking or assembly may compromise suspension performance. Because valve disc selection directly impacts handling, comfort, and safety, verify compatibility with your specific shock model and consult tuning guides or manufacturer recommendations before installation to achieve your desired suspension characteristics.