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The Supertech sodium‑filled Inconel exhaust valve is made for Toyota Supra (A90) and BMW B58B engines and is offered as a single replacement. Constructed for high‑temperature exhaust duty, the sodium‑filled Inconel design helps manage heat and improve durability under extreme exhaust conditions, making it suitable where OE exhaust valves may be pushed beyond stock limits.
Supertech Toyota Supra (A90)/BMW B58B Sodium Filled Inconel Exhaust Valve - Single (Drop Ship Only)
