Supertech Scion tC 2AZFE / Celica 1ZZ/2ZZ Polyacrylic Intake 5.5mm Valve Stem Seal - Set of 8

This is a set of eight Supertech intake valve stem seals, specifically made for the 5.5mm valve stems found on Scion tC 2AZFE and Celica 1ZZ/2ZZ engines. Valve stem seals are crucial for keeping oil from leaking down the valve guides into the combustion chamber. When they wear out, you might notice blue smoke from your exhaust, especially on startup or deceleration, and oil consumption can increase.

These seals are constructed from polyacrylic, a material chosen for its resistance to heat and oil, which helps them last longer in the demanding environment of the engine's cylinder head. They are designed to fit the 5.5mm valve stems, ensuring a proper seal to prevent oil from entering the intake port. Replacing these seals is often part of a larger engine rebuild or top-end service.