When fitting this new OE spec, Japanese made Cam-Chain it is preferable to also fit new timing and cam sprockets at the same time. This will avoid premature Chain wear caused by worn sprockets not to mention delivering more accurate valve timing.
New timing sprockets require new cam chains at the same time for long term durability.
Try this pro-workshop gasket sealant, 08C70K0234M, to complete the job like a professional!