Karcepts EGR Block-Off plate fits all Honda/Acura engines which utilize the OEM Honda Gasket P/N: 18715-PB2-000.

It's recommended to use a fresh gasket upon install, but RTV may work as well.

This block off plate allows you to seal the EGR passages on your intake manifold for off-road racing use.  EGR this block off works on are mostly found on JDM and US 90+ Accord F-series engines (F20/22/23) as well as all 92-01 Prelude H-series engines.