GSC Power Division Viton valve stem seals come as a bulk set sized at 7 mm for Nissan TB48 applications. Provided in large quantities for workshop use, the Viton material delivers heat and fluid resistance appropriate for engine valve service. The listing specifies the TB48 engine and the 7 mm seal dimension, making this set suitable for repeated valve maintenance on that engine family.
GSC P-D Nissan TB48 7mm Valve Stem Seal - Set of 500