Some came with minimal output head P8R which experienced 33mm intake valves (Generally identified on VTEC B-series) vs 31mm ingestion (non VTEC B series), and the head had an 84mm shrouding vs 81mm for all other B series heads. For those who appreciated this article, then you should share it https://b16b24567.ambien-blog.com/46599142/the-smart-trick-of-b16b-that-no-one-is-discussing