Detroit Racing Forums - View Single Post - Better In Black: Engine Pro?s Nitro Black Valves

NewsBot · 12-03-2019, 03:01 PM

Engine Pro's Nitro Black valves go through a special nitriding process.These valves are smoother and stronger than conventionally coated valves.

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12-03-2019, 03:01 PM	#1
NewsBot Registered User Senior Member Join Date: Jun 2010 Posts: 48,257	Better In Black: Engine Pro?s Nitro Black Valves Engine Pro's Nitro Black valves go through a special nitriding process.These valves are smoother and stronger than conventionally coated valves. More...