Original cylinder head GX 270 K1 / U1 / UT1 with valve guides. The head is delivered without valves, without valve springs, without rocker arms and without mounting material for the rocker arms.
Valve guide for outlet valve GX270 to 390.
NOTE: These are "undersize" valve guides. The valve guides must be reamed after insertion to the dimension of the valve!In addition, the valve seat must always be reworked when valve guides have been replaced.