The Supertech manganese bronze exhaust valve guide set for Toyota Supra 2JZ applications includes twelve exhaust guides with a 6mm stem and an outer diameter of 11.03mm. These guides act as replacement wearing surfaces to support valve stem alignment in 2JZ heads. The product description lists the material, stem size, OD and the 2JZ fitment for accurate ordering.
Supertech Toyota Supra 2JZ Manganese Bronze Exhaust Valve Guide 6mm Stem OD 11.03mm - Set of 12