SUPERTECH INCONEL & NITRIDED 24 VALVE SET 1mm OVERSIZED Supertech uses their experience of more than 20 years in the manufacturing of racing valves, they do intensive testing and work very closely with many engine builders in order to continuously improve and provide the market with the best possible product for every application. High flow rates, durability and quality are of great concern. THIS PRICE AND SALE IS FOR A SET OF 24 VALVES (12 INCONEL EXHAUST VALVES & 12 NITRIDED INTAKE VALVES) IN 1.0mm OVERSIZE. RB26DETT