Cometic poly valve stem seals with a metal jacket (8 x .492in x .470in x .616in) come as a 16-pack and use Viton steel-body construction. These seals are intended for contemporary engine builds and are available for a wide range of applications from automotive to off-road dirt bikes. The set supplies multiple valve seals to support top-end assembly and routine engine rebuilding needs.
Cometic 8 X .492in X .470in X.616in VALVE STEM SEALS - 16PK POLY METAL JACKET