Exhaust valves are made from high grade, one piece, forged Inconel alloy, fully CNC machined, and have a hard chrome treatment as well as hard tips. These exhaust valves for Waverunner are excellent for those looking to rebuild the cylinder head, or replacing bent valves, and wanting a high-power performance engine. Inconel is an alloy that cope well with very high temperatures, such as the temperatures exhaust valve are subjected to and attain, especially since, unlike intake valves, there is no fuel that goes through them and would be able to cool them down.
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