Velocity Stack Kit for the BMW 4-valve K-series. This kit will remove the entire airbox and replaces it with 4 pcs of open Velocity stacks. (hole for sensor must be made)

The kit comes with the following parts:

4 X velocity stacks
4 X intake elbow made of rubber
8 X hose clamp
4 X aluminum bush

Not for 2 valve models (K75/K100)