Parts such as the Camshaft - Valve: Seal, Valve Stem, Valve, Intake, Spring, Compression(j38), Spring, Tension(je8) are included in the Yt6700p Front Engine 1990 Camshaft - Valve parts fiche.
With a quantity of four pieces, the Spring, Compression(j38) is the most used part in the CAMSHAFT - VALVE diagram.
The most reasonably priced component used on the Yt6700p Front Engine 1990 Camshaft - Valve is the Spring, Tension(je8).