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EC 306VS Tillotson HL-334WX Velocity Stack
306VS EC Infinite Radius Velocity Stack
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EC 306VS Tillotson HL-334WX Velocity Stack

Part Number: 306VS
Online Price: $24.99
EC 306VS Billet Velocity Stack – Fits Tillotson HL-334WX
Availability: In Stock.

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Description

EC 306VS Billet Velocity Stack – Fits Tillotson HL-334WX Carburetors


Unlock better throttle response and airflow efficiency with the EC 306VS Velocity Stack, precision-engineered for the Tillotson HL-334WX carburetor. This billet velocity stack features a specially designed internal radius that smooths and accelerates incoming air, improving both air velocity and fuel signal at the carburetor throat.


Developed to complement the venturi design of the HL-334WX, the EC 306VS enhances intake performance and supports more responsive engine behavior—making it a must-have upgrade in racing classes where velocity stacks are permitted. Unlike basic filter adapters, this stack is built to deliver real performance gains on the track.


Each piece is CNC-machined from high-grade 6061-T6 billet aluminum, ensuring strength, precision, and durability. Includes all necessary mounting hardware for a straightforward installation.


Note: Velocity stacks may not be legal in all racing classes. Always check your rulebook before ordering.


Fitment Details:

  • Compatible Carburetor: Tillotson HL-334WX
  • Approximate Dimensions: 2.5" OD x 1.184" ID
  • Bolt Spacing: 1.9685" (Fitted for 8-32 bolts)
  • Verify air filter fitment before purchase.

FAQ

What carburetor does the EC 306VS fit?

The EC 306VS is designed to fit the Tillotson HL-334WX carburetor. Check your air filter diameter and mounting specs for compatibility.


What are the benefits of a velocity stack?

A velocity stack smooths and accelerates airflow into the carburetor, increasing air velocity and enhancing the fuel signal. This leads to improved throttle response and more consistent engine performance.


Is this velocity stack CNC machined?

Yes. The EC 306VS is CNC-machined from high-quality 6061-T6 billet aluminum for precision and durability.


What hardware is included?

All necessary mounting hardware is included with the EC 306VS, and it is fitted for 8-32 bolts.


Is the EC 306VS legal in all racing classes?

Not always. Velocity stacks are not permitted in every class. Always consult your class rulebook before installing.

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