Powerhouse Racing Vacuum Distribution Block 5 Port with Brass Fitting main stud kit You need this fitting if

You need this fitting if converting to a VVT-i cylinder head on the early generation blocks

Improve timing

MoTeC’s LTC (Lambda to CAN) modules monitor

The combination of male and female surface preparation greatly enhances heat transfer when the sleeves are installed and fit properly

Some benefits specific to the PHR Cam and Crank Hall Effect Sensor Kit are:

Powerhouse Racing Vacuum Distribution Block 5 Port with Brass Fitting main stud kit You need this fitting ifAnyone that has ever tried to connect a boost gauge, electronic boost controller, fuel controller, fuel pressure regulator, blow off valve, and TPS sensor to the intake plenum knows all to well the mess of hoses and tees and connections going everywhere from a single source. Well we had enough also, so we designed the VDP (Vacuum Distribution Plenum) to simplify hose routing. Now, a single 6mm hose connection to the intake plenum gives you 6 hose