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EC Velocity Stack for WC22 Wildcat or VM22 Chinese Round Slide Carburetors
341VS Velocity Stack for WC/VM22 Chinese Mikuni Round Slide Carburetor
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EC Velocity Stack for WC22 Wildcat or VM22 Chinese Round Slide Carburetors

Part Number: 341VS
Online Price: $24.99
fits Wildcat WC22 and Chikuni VM22 Carburetors
Availability: In Stock.

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Description

Billet Velocity Stack for VM22 / WC22 Round Slide Carburetors


Upgrade your airflow and intake setup with this Billet Velocity Stack, designed specifically for Chinese VM22-style carburetors like the Wildcat WC22 and other "Chikuni" clones based on the Walbro PZ26 design. This adapter is not compatible with the original Mikuni VM22, but is ideal for the popular knock-off versions used in many small engine performance builds.


This dual-purpose component acts as both a velocity stack and air filter adapter, providing smoother airflow into your carburetor while allowing you to use standard 2.5" air filters—a more common and performance-focused option than smaller, restrictive filters.


Key Features:

  • Precision Fit: Designed for carburetors with a 39.9mm inlet OD—fits most Chinese VM22-style round slide carbs.
  • Dual Function: Works as a velocity stack for improved intake flow and as a filter adapter for 2.5" air filters.
  • High-Quality Billet Construction: Machined from durable billet aluminum for strength, longevity, and a clean look.
  • Performance Upgrade: Optimizes airflow into the carburetor, helping increase throttle response and engine efficiency.


Specifications:

  • Carb Inlet Fitment (ID): 39.9mm (Verify your carburetor's air inlet OD before purchase)
  • Filter Mounting OD: 2.5" (compatible with common performance filters)


Compatible With:

  • Wildcat WC22 Carburetor
  • Chinese Mikuni VM22 Clones (Chikuni-style, based on Walbro PZ26)
  • Not for use with genuine Mikuni VM22


Whether you're building a mini bike, go-kart, or race-prepped small engine, this billet velocity stack is the perfect way to enhance both form and function. Get cleaner airflow, a professional look, and broader air filter compatibility—all in one solid billet upgrade.

FAQ

Q1: Will this velocity stack fit my Mikuni VM22 carburetor?

A: This billet velocity stack is designed for Chinese VM22 clones, including the Wildcat WC22 and "Chikuni" carbsbased on the Walbro PZ26 design. It will not fit genuine Mikuni VM22 carburetors, which use a different air inlet dimension.


Q2: What carburetor inlet size does this velocity stack fit?

A: It fits carburetors with a 39.9mm air inlet OD. We strongly recommend measuring your carburetor's inlet to confirm compatibility before purchase.


Q3: What size air filters does this velocity stack support?

A: This velocity stack adapts to 2.5-inch air filters, giving you access to a wider range of performance filter optionscommonly used in small engine and motorsports applications.


Q4: What is the benefit of using a velocity stack?

A: A velocity stack smooths and directs incoming air more efficiently into the carburetor, improving airflow, throttle response, and potentially engine performance, especially in higher RPM ranges.


Q5: Is this product made from plastic or metal?

A: This is a CNC-machined billet aluminum component—built for strength, longevity, and a high-performance look.


Q6: Can I use this on my go-kart or mini bike?

A: Absolutely. This stack is perfect for go-karts, mini bikes, and other small engine performance builds using a WC22 or Chinese VM22-style carburetor.

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