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HF 79cc Predator Velocity Stack 54mm OD
338VS 79cc Predator Billet Velocity Stack
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HF 79cc Predator Velocity Stack 54mm OD

Part Number: 338VS
Online Price: $19.99
EC Billet Velocity Stack for Predator 79cc Stock Carburetor – 2.125" Air Filter Mount
Availability: In Stock.

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Description

EC Billet Velocity Stack for Predator 79cc Stock Carburetor


Unlock more performance from your Predator 79cc engine with the EC Billet Velocity Stack, precision-machined to enhance airflow and allow compatibility with high-performance air filters.


This velocity stack directly bolts onto the stock carburetor using the factory mounting points—no modifications required. Designed specifically for the 79cc Predator’s stock carb, it delivers smoother air intake and better throttle response.


Key Features:

  • Direct Fit: Installs easily using the OEM bolt spacing on Predator 79cc engines
  • Improved Airflow: CNC-machined bellmouth design increases intake velocity for better performance
  • Air Filter Compatible: Features a 2.125" (54mm) outer diameter, ideal for use with our AFR-3870 washable air filter
  • Durable Construction: Made from billet aluminum for long-lasting performance and a clean look

Perfect For:

  • Predator 79cc mini bikes and small-engine builds
  • Upgrading stock intake for better power and responsiveness
  • Pairing with performance air filters and custom intake setups

Note: Air filter sold separately. We recommend the AFR-3870 filter for a direct fit.

FAQ

Q1: Will this velocity stack fit the Predator 79cc engine without modifications?

A: Yes! This velocity stack is designed to bolt directly onto the stock carburetor of the Predator 79cc using the original mounting bolts—no modification needed.


Q2: What size air filter does this velocity stack support?

A: It fits air filters with a 2.125-inch (54mm) inside diameter, such as our AFR-3870 washable air filter.


Q3: Can I use this velocity stack on other small engines?

A: It’s designed specifically for the stock carburetor on the Harbor Freight 79cc Predator engine. Compatibility with other engines is not guaranteed.


Q4: What benefits does a velocity stack offer?

A: A velocity stack improves airflow into the carburetor, which can lead to better throttle response, smoother intake flow, and increased engine performance—especially when paired with a high-quality air filter.


Q5: Is the air filter included?

A: No, the velocity stack is sold separately. We recommend pairing it with the AFR-3870 air filter for best results.

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