Supertech Inconel exhaust valves engineered for Toyota Supra B58B30 engines are supplied as a set of 12 and specify 28.5 x 5.95 x 100.1 mm dish dimensions. Constructed from Inconel as noted, these exhaust valves are intended for engine rebuilds or high-temperature applications where an alloy valve is required. The set format supports reassembly of multiple cylinders during engine service.
Supertech Toyota Supra B58B30 28.5x5.95x100.1mm Dish Inconel Exhaust Valve - Set of 12