I am selling an IACV, Idle Air Control Valve as fitted to the inlet manifold of all popup headlight MX5 MK1 / Eunos 1.6 cars, 1989 - 1998.
These do fail usually resulting in serious over-reving on startup that finally settles when the car is warm.
This one is in very good, clean order with very clean steel pipes. 
It will be supplied with a Six Month Guarantee for peace of mind.  
This one is supplied with a rubber gasket.