The Supertech manganese bronze exhaust valve guide for Toyota Supra 2JZ is sized for a 6mm valve stem with an outer diameter of 11.03mm and is intended for that engine. The bronze material gives a durable bearing surface to support valve stability in rebuilt heads. Confirm your 2JZ variant and clearance details before installation to ensure proper fitment.
Supertech Toyota Supra 2JZ Manganese Bronze Exhaust Valve Guide 6mm Stem OD 11.03mm