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.
These are newly produced items by an engineering company working to Japanese quality control standards - purchase and fit with complete confidence.
Don't forget to order all the gaskets you will require when reassembling the engine. Try our pro-workshop gasket seal - 08C70K0234M - for a more professional result!