Some arrived with restricted production head P8R which experienced 33mm consumption valves (Usually discovered on VTEC B-series) vs 31mm intake (non VTEC B series), and The pinnacle experienced an 84mm shrouding vs 81mm for all other B series heads. Even crazier is this engine however has massive tuning probable, that https://https-www-nwjdmmotors-com99987.anchor-blog.com/20218992/5-tips-about-jdm-honda-b16b-you-can-use-today