The under bonnet pad in your 300zx is designed to dampen engine noise, and to prevent engine bay heat from damaging the paint on your bonnet. After all these years many are in poor condition or missing entirely.
Please note that due to the bulky nature of this item freight is not included in the purchase price and will be invoiced separately. As a rough guide freight to eastern states is $15 and $20 to Western Australia. Please contact me via email or Facebook if you would like a quote for freight prior to delivery.