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

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

EMPI's HPMX 40mm carburetor configured and jetted for single-carb installations. It offers precise air and fuel metering with fully adjustable idle and main circuits, changeable air and fuel jets, changeable venturis, and an adjustable accelerator pump. Includes chrome velocity stacks. Use with a single-carb manifold for hot-rodded Type 1 builds that want HPMX performance without going to a full dual setup.

Vehicle Fitment

• VW Type 1 (Beetle / Karmann Ghia / Thing): dual-port, single-carb performance builds
• Mild-to-medium builds: 1600cc–1914cc applications upgrading from a stock PICT-3
• Off-road: sand rails and dune buggies running single-carb setups

Why Choose EMPI?

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

Key Features & Benefits

• Single-setup jetting (richer than the dual configuration)
• 40mm IDF-style downdraft design
• Chrome velocity stacks included
• Separate idle and main circuits with changeable jets
• Adjustable accelerator pump for crisp throttle response
• Weber 40 IDF parts interchange

Technical Specifications

• Design: 40mm IDF-style downdraft
• Jetting: tuned richer than the dual-setup version (47-1010-0) to handle single-carb fuel demand
• Tuning: jets, venturis, and e-tubes are all swappable
• 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: 47-1010-2

Frequently Asked Questions

• Is this jetted for single or dual carb use? Single-carb — it is tuned richer than the dual-setup 47-1010-0.
• 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.