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Billet Aluminum Velocity Stack – Briggs & Stratton 42/46 Opposed Twin Engines
332VS EC Infinite Radius Velocity Stack
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Billet Aluminum Velocity Stack – Briggs & Stratton 42/46 Opposed Twin Engines

Part Number: 332VS
Online Price: $29.99
332VS Billet Aluminum Velocity Stack – Fits Briggs & Stratton 42/46 Opposed Twin Engines
Availability: In Stock.

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Description

Billet Aluminum Velocity Stack – Fits Briggs & Stratton 42/46 Opposed Twin Engines


Upgrade your engine’s airflow with the 332VS Billet Aluminum Velocity Stack, precision CNC machined from lightweight and durable 6061-T6 aluminum. Designed specifically to fit Briggs & Stratton Model 42/46 Opposed Twin stock carburetors, this performance-enhancing velocity stack delivers smoother, faster airflow to improve carburetor response, fuel atomization, and throttle performance.


Featuring a carefully engineered radius, the 332VS Velocity Stack optimizes the air path into the carburetor, significantly increasing air velocity and overall intake efficiency. Ideal for racing and high-performance applications, it’s a proven upgrade over standard filter adapters—perfect for any class where velocity stacks are permitted.

Whether you’re tuning for performance or building a competitive engine setup, this billet aluminum velocity stack helps unlock your engine’s full potential.


Key Features:

  • CNC machined from 6061-T6 billet aluminum for strength and lightweight performance
  • Designed for Briggs & Stratton Opposed Twin engines (Model 42/46 stock carburetors)
  • Optimized air radius for increased flow and carburetor signal
  • Bolt spacing: Approx. 2.625" OD x 1.350" ID, 3-bolt pattern fitted for 10-32 hardware
  • Includes all necessary hardware for installation
  • Direct fit design—verify with your air filter or intake for compatibility


Installation Note:

Always verify fitment with your specific air filter or intake setup before ordering. Be sure to check your racing rulebook to confirm that velocity stacks are legal in your class.

FAQ

Q1: What engines does the 332VS Velocity Stack fit?
A: It’s designed for Briggs & Stratton Model 42/46 Opposed Twin stock carburetors. Always verify dimensions with your intake system.


Q2: What are the dimensions and bolt spacing?
A: The velocity stack has an approx. 2.625" outer diameter, 1.350" inner diameter, and is fitted for a 3-bolt pattern .


Q3: What material is it made from?
A: Each stack is CNC machined from 6061-T6 billet aluminum, offering excellent strength and heat resistance.


Q4: Does it include installation hardware?
A: Yes, the 332VS comes with all necessary hardware for a straightforward install.


Q5: Is this legal for racing use?
A: Velocity stacks are legal in many classes, but you must check your specific racing rulebook before installation or competition.


Q6: How does a velocity stack improve engine performance?
A: By smoothing and accelerating airflow into the carburetor, it improves fuel atomization, throttle response, and airflow efficiency.

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