HKS Vein Pressure Controller
Incredible rare and cost over $1000 new from HKS back in the day.
The HKS VPC is a fuel management device that is designed to physically and electronically replace the OEM air metering devices for improved air flow and precise fuel delivery control. OEM air metering devices, such as Air Flow Meters (Flapper/Plunger types) and Air Mass Sensors (Hot wire / Karmen Vortex types) measure the amount of air flowing into the intake manifold in order to properly control fuel enrichment levels.
Comes with all wiring. Maximum Tunability.