Here you go bro:
Rocker cover gasket
This is the seal that is placed between the cylinder head and its cover to ensure that there is not only a pressurised seal but also to stop any oil from escaping.
Part Number : 11213-11041 (£9.25 inc vat retail)
Rocker cover bolt washers
This seal washer is placed under the nut before it is torque set.
Part Number : 90210-06013 (£0.92 inc vat retail)
Note : A quantity of five is required if all are to be replaced.