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The Supertech manganese bronze exhaust valve guide set for Toyota/Sicon applications is supplied as a set of eight with a 5.5mm stem. These exhaust guides serve as replacement wearing surfaces to support valve stem alignment in the listed Toyota and Sicon heads. Material and stem diameter are provided in the description to aid fitment verification.
Supertech Toyota/Sicon Manganese Bronze Exhaust Valve Guide 5.5mm Stem - Set of 8
