Some came with minimal output head P8R which experienced 33mm ingestion valves (Ordinarily found on VTEC B-series) vs 31mm consumption (non VTEC B series), and The top had an 84mm shrouding vs 81mm for all other B series heads. Rakhmat Darmawan/Shutterstock If you are building a project tuner car or https://lukasmfxog.bloguetechno.com/the-basic-principles-of-b16-engine-for-sale-76098751