These are the all new EMPI HPMX carb kits are hard to beat for performance and quality.

The dual 40mm HPMX kit is the true mileage/performance champ. These carbs are set-up with 28mm venturis to provide a great combination of fuel economy and performance.

Kit includes:

2 X 40mm EMPI HPMX carbs, manifolds, chrome air cleaners, EMPI hex-bar linkage, gaskets, hose and hardware.

Before installing a new carburetor- please insure that the fuel lines and gas tank have been thoroughly cleaning and flushed of all dirt- rust and debris. Also - always replace all rubber fuel hoses and filters. It is your responsibility to guarantee the cleanliness of your fuel system. This is the only reason you will ever have a problem with a new carburettor.

Features:
Come with chrome velocity stacks. Dual linkage arms are already on carbs, no swapping needed. Profiled throttle shafts for increased flow past the butterflies. 40's come with 28mm Venturis All part are interchangeable - jets, venturis, emulsion tubes, etc. Flow bench tested with increased CFM over other models. Dyno tested resulted in increased horse power. Casting quality is excellent.

Carbs comes fitted with jetting for most applications and only minor adjustments are needed. Also come with installation instruction.

.52 Idles

.130 Mains Jets

.180 air correctors

F11 Emulsion Tubes

.55 Pump exhaust Jets

.50 accelerator pump jets

28mm venturis

These specs are subject to change.

Pre set Floats and idle screws

We alse reccoment for best performance you install a eletric fuel pump with relay and a fuel pressure regulator.