Exhaust valve Kit HONDA D16Z6/Y6 /Y7/Y8/D15B/ D17A/1.6/1.7L SOHC VTEC/Civic/CRX/ Del Sol 92-05 GMC Nissan Skyline R32 R33 R34

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Exhaust valve Kit HONDA D16Z6/Y6 /Y7/Y8/D15B/ D17A/1.6/1.7L SOHC VTEC/Civic/CRX/ Del Sol 92-05 GMC Nissan Skyline R32 R33 R34The production of our race valves begins with a one piece forging where the valve head is forged in a slow two step process to maintain a good material flow. Then it is machined on the CNC in several stages to ensure the precision of the final dimensions. Then, we perform another thermal treatment for relaxation, followed by nitride curing (or coating process depending on the application). Finally, we perform one more grinding followed by a patented