UFO Stack 4412XP (base not included ) 12-1/8:275.0 What is a Velocity stack

What is a Velocity stack

These clamps simply snap into place to prevent the unpleasant electrical taping or loss of U-Joint end caps

Our most extraterrestrial velocity stack version to date

These are compatible with a standard carburetor

UFO Stack 4412XP (base not included ) 12-1/8:275.0 What is a Velocity stackOur most extraterrestrial velocity stack version to date. The UFO stack allows you to have all the benefits of our original stack, without the use of a top filter! And no more rivet holes! Simply run a thin bead of silicone around the bottom side of the stack and press it into your air cleaner base. Once it sets, youre ready to go! The centers of the stack are also removable, so if you have multiple cars, you will be able to interchange center