Blox Velocity Stack Composite 4"
Blox Velocity Stack Composite 4" is backordered and will ship as soon as it is back in stock.
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Description
Description
BXIM-00307
Blox Velocity Stack Composite 4 inch
Blox Composite Velocity Stack are made with injection molded PA66 glass filled nylon, which reduces the amount of heat soak absorbed by the velocity stack, which transfer to the air going into the engine.
So what is a velocity stack?
A velocity stack is a trumpet-shaped device of differing length which is fitted to the air entry of an engine's intake system. It is designed to allow smooth and even entry of air at high velocities into the intake pipe with flow steams adhering to the intake pipe wall.
Intake inlet (smaller side) 4 inch O.D.
Air Entry Opening (large side) 6 inch O.D.
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