A sample from the products for the Valve(s) include: Shim,t=2.75, Valve-exhaust, Shim,t=2.95, Shim,t=2.85.
With a quantity of thirty-two pieces, the Collet is the most used part in the Valve(s) diagram.
The component with the lowest price in the Valve(s) schematic is the Collet.