These is a specific direct port custom kit, made for client bespoke to him by Richard to my design requirements to make the power I specified for a WM50 car. I use 'allot' of fluid and its seamless in delivery via the Life Racing F88 based ECU, any rpm any gear, 1 second from 4.5k to 8+k rpm perfect set up.
Jets for direct port engines listed here >
http://www.aquamist-direct.com/806-5...-applications/