Supertech nitrided intake valves are supplied as an oversize set of eight for Peugeot 306 XU10J4 engines, offered at +0.05 mm oversize and finished in black nitriding. These intake valves provide a direct-replacement valve set for engines requiring the XU10J4 specification, suitable for refacing cylinder heads and restoring correct valve fit where oversize intake valves are needed.
Supertech Peugeot 306 XU10J4 Black Nitrided Intake Valve - +.05mm Oversize - Set of 8