Arm, Valve Rocker

Check the old rockers very carefully before electing to reuse them - any wear or scoring particularly on the operating surfaces will result in a loss of performance and noisy valve gear! We would recommend renewing these as a matter of course, to help achieve the best possible results.
Check out this related part:

14431028020

Don't forget to order all the gaskets you will require when reassembling the engine!

Try the same gasket seal used by the factory - 08C70K0234M - for a more professional result.