Valve, Exhaust (non O.e. Alternative)

Professional engine builders replace inlet and exhaust valves, springs inner and outer, retaining cotters, seats tappets and retainers as a matter of course when carrying out an engine or cylinder head overhaul.
The valves and the interfacing components have a tough time and can become brittle with age and wear. Broken bits of metal are not too good for the engine!
Other related components you will wish to renew at the same time as this part:

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120041013P
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12009005
12011004
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Reusing the old valves and interfacing parts is really not the best option.

Add as many items as you wish to the same shopping cart, new gaskets and seals for example, and still only pay the same single fixed price shipping cost.