EMPI 40 HPMX Carburetor | VW Type 1 & Type 2 Dual-Carb Builds | 40mm IDF-Style, Velocity Stacks (47-1010-0)

EMPI 40 HPMX Carburetor | 40mm IDF-Style Downdraft (Carb Only)

Performance, reliability, and race-proven. EMPI HPMX carburetors deliver total air and fuel metering with separate idle and main circuits, changeable air and fuel jets, changeable venturis, and an adjustable accelerator pump for maximum acceleration. This listing is for ONE 40 HPMX carburetor jetted for dual-carb setups and includes chrome velocity stacks — you need two for a complete dual installation.

Vehicle Fitment

• VW Type 1 (Beetle / Karmann Ghia / Thing): dual-port engines, 1776cc–2110cc performance builds
• VW Type 2 (Bus): dual-port with appropriate manifolds
• Off-road: sand rails, dune buggies, and race-prep engines
• Best for: engines making 90+ HP

Why Choose EMPI?

The HPMX series is EMPI's race-proven performance carburetor line, engineered for total tunability. Jets, gaskets, and repair parts are readily available, and every carburetor is test-run and adjusted at EMPI before it ships.

Key Features & Benefits

• Carb only — sold individually: need 2 for a dual install
• 40mm IDF-style downdraft design
• Chrome velocity stacks included
• Dual-carb jetting from the factory
• Separate idle and main circuits with changeable air and fuel jets and venturis
• Adjustable accelerator pump for crisp throttle response
• Weber 40 IDF parts interchange

Technical Specifications

• Design: 40mm IDF-style downdraft
• Venturis: 28mm
• Factory jetting (dual setup): Main 130 / Idle 52 / Air Correction 170 / Pump 50 / Ex. Pump 550 / E-Tube F-11
• Sold as: single carburetor (chrome velocity stacks included)
• Interchange: Weber 40 IDF
• Rebuild kits: 00-2362-0 or 00-9949-0 (Deluxe 43-5813-0)
• Part Number: 47-1010-0
• UPC: 707924280999

Frequently Asked Questions

• How many do I need for a dual setup? Two — this listing is for one carburetor.
• Will the jets and parts interchange with other carbs? Yes, parts interchange with the Weber 40 IDF.
• Are velocity stacks included? Yes — chrome velocity stacks are included.

Explore Related Categories

Building a performance top end? Browse our Fuel & Intake for carbs, manifolds, and linkage, our Engine catalog, and the full Air-Cooled VW collection.

WARNING: This product can expose you to chemicals including Lead which are known to the State of California to cause cancer and reproductive harm. For more information, go to www.P65Warnings.ca.gov. Wash hands following installation or before eating. All parts legal for use on pre-pollution controlled vehicles only.