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The Supertech exhaust valve is a single flat, black-nitrided replacement sized 33(+1) x 6.95 x 126.10 mm, offering a slightly increased head diameter for specific valve-seat arrangements. The nitrided finish improves surface durability in exhaust service. Sold individually and available drop-ship, this valve is specified for BMW S14 applications requiring the larger flat head, nitrided exhaust option.
Supertech BMW S14 33(+1)x6.95x126.10mm Blk Nitride Flat. Exhaust Valve - Single (Drop Ship Only)
