Specifying OE gaskets means that you are buying gaskets made to Japanese quality control standards.
This means you are fitting the same specification gaskets that were deemed good enough to use when your machine rolled off the production line.
The question is, why would you order any other make - well you probably wouldn't!
OE gaskets means OE quality. Have you thought about trying this pro-workshop gasket sealant,08CRAHLG120G to take your engine building to a more professional level.