Supertech Honda D16Z6/D16Y/D15B/D17A Inconel Exhaust Valve - +1mm Oversize - Single

Made from Inconel, a high-nickel alloy, this Supertech exhaust valve is built to handle the extreme temperatures found in performance Honda D16Z6, D16Y, D15B, and D17A engines. This specific valve is 1mm larger than stock, which can help improve sealing and performance when rebuilding or upgrading your cylinder head. Using a material like Inconel is key for exhaust valves because it resists warping and fatigue under intense heat, ensuring reliable operation even in demanding conditions.

When you're working on the top end of your Honda engine, especially if you're aiming for improved performance or replacing worn components, choosing the right valves makes a difference. This +1mm oversize valve is designed to fit specific D-series Honda engines, and the Inconel construction means it's well-suited for engines that see higher operating temperatures or are subjected to more aggressive driving. It's a solid choice for anyone looking to ensure their cylinder head rebuild is durable and performs as expected.