To gain access to the valve train, the valve cover on top of the cylinder head has to be removed. On older cars, this had to be done regularly as the valve clearance had to be adjusted by hand. Modern cars now often feature hydraulic tappets, which set the valve play automatically. On some cars, it is still done manually though.
There are many different types of valve cover gaskets. Some are made of rubber, some of cork, some are made of polymers or even from fibres. Most gaskets will be damaged when dismantled, so they will have to be replaced every time the valve cover is removed. Some gaskets - mainly rubber and cork gaskets - can be used more than once, if they are in good shape. They will have to be examined for cracks and cuts meticulously, to prevent leaks after assembly. As gaskets are relatively inexpensive, it is often better to replace them anyway, as it can be rather time consuming if you have to remove the valve cover again to solve a leak.
When replacing a valve cover gasket, it is important that the new item has the same shape, the same thickness and the same stiffness as the original gasket, which means it has to be made of the same material as the original. Nipparts has therefore taken great care to manufacture its range of valve cover gaskets to the exact same specifications and quality standards as the original OE items. Nipparts valve covers are available for most Japanese and Korean cars.
Nipparts Valve covers
- OE matching quality
- OE matching shape and thickness
- Available for most Asian cars