Master Carburetor Rebuild Kit, 34 ICT, EPC 34

OVERVIEW

When your air-cooled engine starts stumbling off the line, popping through the exhaust, or idling inconsistently, it''s usually a definitive sign that your carburetors are overdue for a deep dive and a professional refresh. The EMPI Master Carburetor Rebuild Kit for 34 ICT and EPC 34 series carburetors is the ultimate solution for restoring that crisp throttle response and fuel efficiency your vintage VW deserves. Unlike basic tune-up kits that only offer the bare essentials, this master kit is a comprehensive overhaul package designed to address every common failure point within the fuel delivery system. Whether you are running a classic daily driver Beetle, a weekend cruiser, or a high-performance off-road sand rail, keeping your carburetors in peak condition is the single most effective way to ensure long-term reliability and engine longevity.

This kit is specifically engineered to service the popular Weber 34 ICT and EMPI EPC 34 single-barrel carburetors, which have become industry staples for dual-carburetor configurations on Type 1 and Type 4 engines. The standout feature of this kit''s Master designation is the inclusion of a high-quality replacement float, an item often overlooked in cheaper kits but absolutely vital for maintaining correct fuel levels in the bowl. By replacing worn fiber gaskets, dried-out accelerator pump diaphragms, and leaky needle valves, you effectively eliminate vacuum leaks and fuel delivery inconsistencies caused by modern ethanol-blended fuels. At Appletree Auto, we know that a properly rebuilt carburetor can make an old engine feel brand new, and this kit provides the professional-grade components needed to achieve a factory-perfect seal and optimal atomization.

FITMENT

This master rebuild kit is designed for vehicles equipped with Weber 34 ICT or EMPI EPC 34 carburetors. These are commonly found in dual-carburetor kits on the following models:

• VW Type 1 Beetle & Super Beetle: 1950 through 1979 (With dual 34mm carb conversions)
• VW Type 1 Karmann Ghia: 1956 through 1974
• VW Type 2 Bus / Transporter: 1950 through 1971 (Upright 1600cc based engines)
• VW Type 3 Fastback, Squareback, & Notchback: All years utilizing 34 ICT style manifolds
• VW Thing (Type 181): 1973-1974
• Custom Applications: Dune Buggies, Sand Rails, Trikes, and Manx-style buggies utilizing EMPI or Weber 34mm single-barrel carburetors.

SPECS

Every component in this kit is manufactured to meet or exceed original equipment standards to ensure a perfect fit and a leak-free seal.

• Part Number: 43-5801-0
• Kit Type: Master Overhaul Kit (Includes Floats)
• Compatible Carburetor Bodies: Weber 34 ICT and EMPI EPC 34
• Gasket Material: High-density fuel-resistant fiber and nitrile rubber
• Float Material: Durable, ethanol-resistant composite construction
• Needle and Seat: Precision-machined brass with Viton-tipped needle for superior sealing
• Accelerator Pump: Heavy-duty diaphragm with integrated return spring
• Hardware Included: Assorted O-rings for mixture screws and vacuum ports, sealing washers, and retaining clips

PRO TIPS

1. Perform a Deep Chemical Clean Before Assembly

Simply replacing the gaskets isn''t enough for a true master rebuild. You must ensure that every internal gallery, jet, and emulsion tube is free of varnish and debris. We recommend completely stripping the carburetor body and soaking it in a specialized carburetor dip or using an ultrasonic cleaner. After soaking, use compressed air to blow through every single passage. If you don''t clear the tiny idle circuits, the new components in this kit won''t be able to do their job, and you''ll likely still experience a "flat spot" during acceleration.

2. Precisely Set Your Float Height

The inclusion of the float in this master kit is a huge advantage, but it must be calibrated correctly during installation. Refer to your specific Weber or EMPI tuning manual to find the exact measurement (usually measured from the gasket surface to the top of the float). If the float level is too high, your engine will run rich and may flood; if it is too low, you will experience fuel starvation at higher RPMs. Use a high-quality sliding caliper to ensure both carburetors in a dual setup are matched perfectly for balanced performance across both cylinder banks.

3. Beware of Over-Tightening the Top Plate

One of the most common mistakes during a rebuild is over-torquing the screws that hold the top air horn to the carburetor body. These bodies are made of relatively soft zinc alloy and can warp easily if uneven pressure is applied. When installing the new gaskets from this kit, tighten the screws in a criss-cross