Velocity Stack- 4777 Stack By putting our spacer on

By putting our spacer on

For use with a 3" 4" or 5" filter

Our dyno testing

that means our float levels need to be higher ( especially on E-85) to make sure we don't have the mid corner hesitation

and no more power loss throughout the race

Velocity Stack- 4777 Stack By putting our spacer onWhat is a Velocity stack? A velocity stack in this instance, is a bolt on enhancement that fastens to your air cleaner base and is able to produce low end torque and faster throttle response. But how? Simple the faster and straighter you can deliver air into the carburetor before it reaches the boosters, 2 things will happen. Forcing the air to speed up will create a better and fuller intake charge, creating almost a " turbo like effect". Faster air