The EMPI HPMX Series Have Separate Idle and Main Circuits, Featuring Changeable Air and Fuel Jets.
Intake Air is Metered by Changeable Venturis, and the Accelerator Pump is Adjustable for Maximum Acceleration. Jets, Gaskets and Repair Parts are Readily Available.
All of EMPI’s HPMX Carburetors are Pre-jetted for Most VW Engines.