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Supertech sodium-filled Inconel exhaust valve set for Toyota Supra (A90) and BMW B58B engines, sold as a set of 12. These valves use sodium-filled stems and Inconel alloy to manage exhaust-side heat, intended for head service or replacements where the OE or upgraded high-temperature valve material is specified for these modern turbocharged applications.
Supertech Toyota Supra (A90) / BMW B58B Sodium Filled Inconel Exhaust Valve - Set of 12
