Supertech Honda 5.5mm Viton Exhaust Valve Stem Seal - Set of 8

Supertech 5.5mm viton valve stem seals reduced outer diameter valve seals are perfect for those that are using dual valve springs or may otherwise have valve spring clearance issues or just need to install new Valve Stem Seals due to worn pieces.

Guide OD: 11.00mm

Seal OD: 12.09mm