After the head has been resurfaced on an OHC engine, a stackable multilayer aftermarket head gasket can be used to restore proper cam timing.

Question

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When the head of an OHC (Overhead Cam) engine is resurfaced, it can slightly alter the geometry of the engine, potentially affecting cam timing. A stackable multilayer aftermarket head gasket can compensate for the material removed during resurfacing, helping to restore the proper cam timing by adjusting the distance between the engine block and the cylinder head.

After the Head Has Been Resurfaced on an OHC Engine