300zx Ultimate hiram kit. Carbon upper plenum:Add cast holley upper HTG GCU ( gearbox control

HTG GCU ( gearbox control unit)  the "long ratio" dct (2012-2018 F80 M3

Billet aluminum block to bracket adapter

-65mm Throttle bodies

Select 6an option for build you own waterline setup with included parts shown in first photo

setup the airflows as balanced as possible at idle

300zx Ultimate hiram kit. Carbon upper plenum:Add cast holley upper HTG GCU ( gearbox controlIdeal port and runner design for mid to upper RPM flow characterstic in NA and boosted applications Parts needed: holley# 300 245 or select the carbon upper ( or purchase our new sheet metal low ram on the site) Requires our top feed kit and valve covers Heater core hoses must be reworked Timing covers and backing plates need to be trimmed or removed Does not clear factory hood