[Deserion]

If you’re going through the trouble, may as well go with the Ultimate AOS (which also allows one to run more oil). Makes PCV changes in the future a snap as well.

https://lnengineering.com/products/parts-and-upgrades-for-porsche-boxster-cayman-and-911-engines/the-uaos-ultimate-aos/the-porsche-996-997-ultimate-aos-uaos-al-complete-kit.html