RUMORED BUZZ ON B16 ENGINE FOR SALE

Some arrived with confined production head P8R which had 33mm ingestion valves (Generally observed on VTEC B-sequence) vs 31mm ingestion (non VTEC B sequence), and The top had an 84mm shrouding vs 81mm for all other B sequence heads.The main reason we are saying this, could be the B20A and B21A never share a similar architect as the rest of the B-S