Some came with confined production head P8R which had 33mm ingestion valves (Usually located on VTEC B-series) vs 31mm ingestion (non VTEC B series), and The top experienced an 84mm shrouding vs 81mm for all other B series heads. In the event you loved this article, then remember to share https://beckettqlhat.blog5star.com/40175648/top-guidelines-of-jdm-honda-engine