Performing valve jobs is one of the most crucial areas of the engine building business. According to our most recent Machine Shop Market Profile, cylinder heads for gas engines account for nearly 16 percent of an engine builder's production time - and it's easy to see why. Thermal conductivity of the valve is critical to removing heat inside the combustion chamber, especially with regards to the exhaust valve. Valve seats transfer heat from the valve into the cylinder head, and without the right material or fit, the whole process breaks down, leaving you and your customer in a jam.
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