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The Supertech sodium-filled Inconel exhaust valve for Mini Cooper N14B16/N18B16 engines is a +0.8mm oversize single, supplied to address minor seat machining needs. The oversize option helps restore correct valve contact after reconditioning, and the sodium-filled Inconel construction matches the specified valve type for those engines. Use it when servicing N14B16 or N18B16 Mini Cooper heads.
Supertech Mini Cooper N14B16/N18B16 Sodium Filled Inconel Exh Valve - +0.8mm OS - Single (D/S Only)
