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The Supertech manganese bronze valve guide is a single guide specified for a 6.6 mm stem and is listed as drop-ship only. The description identifies the material and stem size directly, making this a straightforward replacement guide where a 6.6 mm stem is required. Note the drop-ship designation when planning parts procurement.
Supertech 6.6mm Stem Manganese Bronze Valve Guide - Single (Drop Ship Only)
